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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Phacus

Phacus Dujardin, 1841 (ref. ID; 4492, 4950)

Order Euglenales (ref. ID; 4826)

[ref. ID; 1618]
Highly flattened; asymmetrical; pellicle firm; body form constant; prominent longitudinal or oblique striation; flagellum and a stigma; chromatophores without pyrenoid are discoid and green; holophytic; fresh water. (ref. ID; 1618)

[ref. ID; 3490]
The cell is rigid and ovate in front view and is provided with a short caudal process, conspicuously compressed and more or less twisted. The periplast is usually ornamented with longitudinal striae or lows of short spines. The chloroplasts are numerous and discoid, while the paramylum bodies are one or two and large ring-shaped. (ref. ID; 3490)
  1. Phacus abruptus Korsch. (ref. ID; 4950)
  2. Phacus acuminata Stokes (ref. ID; 1618)
  3. Phacus acuminatus Stokes (ref. ID; 3517, 4950)
  4. Phacus acuminata Stokes f. minor Kisselew, 1931
    See; Phacus musculus (ref. ID; 4950)
  5. Phacus acuminatus var. acuticauda (Roll) H.-P. (ref. ID; 4950)
    Syn; Phacus acuticauda Roll, 1925 (ref. ID; 4950)
  6. Phacus acuminatus var. discifera (Pochmann) H.-P. (ref. ID; 4950)
  7. Phacus acuminatus var. granulata (Roll) H.-P. (ref. ID; 4950)
    Syn; Phacus granulata Roll, 1925 (ref. ID; 4950)
  8. Phacus acuminatus var. indica (Pochmann) H.-P. (ref. ID; 4950)
  9. Phacus acuminatus var. iowensis Allerge & Jahn (ref. ID; 4950)
  10. Phacus acuminatus var. javana (Pochmann) H.-P. (ref. ID; 4950)
  11. Phacus acuminatus var. megaparamylica (Roll) H.-P. (ref. ID; 4950)
    Syn; Phacus megapyrenoidea Roll, 1925 (ref. ID; 4950)
  12. Phacus acuminatus var. triquetra Skv. (ref. ID; 4492, 4950)
  13. Phacus acuminatus var. variabilis Lemm. (ref. ID; 4950)
  14. Phacus acuticauda Roll, 1925
    See; Phacus acuminatus var. acuticauda (ref. ID; 4950)
  15. Phacus acutissimus Bernard
    See; Euglena acus Ehrenberg (ref. ID; 4950)
  16. Phacus acutus Pochmann (ref. ID; 4950)
    Syn; Phacus longicauda var. ovata Skv., 1917 & 1928 (ref. ID; 4950)
  17. Phacus aenigmaticus Drez. (ref. ID; 3517, 4950)
  18. Phacus aenigmaticus f. filicauda Conrad (ref. ID; 4950)
    Syn; Phacus filicauda (Conrad) Pochmann (ref. ID; 4950)
  19. Phacus aenigmaticus var. monochloron Pochmann (ref. ID; 4950)
  20. Phacus aenigmaticus f. filicauda (ref. ID; 4950)
  21. Phacus agilis Skuja (ref. ID; 3517, 4950)
  22. Phacus agilis var. inversa Bourr. (ref. ID; 4950)
  23. Phacus agilis Skuja var. okobojiensis Allegre & Jahn (ref. ID; 4657, 4950)
  24. Phacus alata Klebs var. incrassata Deflandre, 1928
    See; Phacus incrassatus (ref. ID; 4950)
  25. Phacus alata Klebs var. indica Skv., 1937
    See; Phacus angulatus (ref. ID; 4950)
  26. Phacus alata Klebs var. latviensis Skvortz., 1928
    See; Phacus makrostigma Pochmann (ref. ID; 4950)
  27. Phacus alata Klebs var. lemmermannii Swirenko
    See; Phacus lemmermannii (ref. ID; 4950)
  28. Phacus alata Klebs var. major Drez.
    See; Phacus lemmermannii (ref. ID; 4950)
  29. Phacus alatus Klebs (ref. ID; 4950)
  30. Phacus anacoelus Stokes (ref. ID; 4950)
  31. Phacus anacoelus Stokes var. undulata Skv. f. major Prescott
    See; Phacus undulatus f. major (ref. ID; 4950)
  32. Phacus anacoelus Stokes var. undulata Skv. f. multiundulata Halasz
    See; Phacus undulatus f. multiundulata (ref. ID; 4950)
  33. Phacus angulatus Pochmann (ref. ID; 4950)
    Syn; Phacus alata Klebs var. indica Skv., 1937 (ref. ID; 4950)
  34. Phacus ankylonoton Pochmann (ref. ID; 4950)
    Syn; Phacus caudata Hubn. var. polonica Drez., 1925 (ref. ID; 4950)
  35. Phacus anomalus Fritsch & Rich. (ref. ID; 4950)
  36. Phacus anomalus Fritsch & Rich. var. pullusgallinae Nyg. (ref. ID; 4950)
  37. Phacus applanatus Pochmann (ref. ID; 4950)
  38. Phacus arnoldii Swirenko, 1915 (ref. ID; 4950)
  39. Phacus aspidion Pochmann (ref. ID; 4950)
  40. Phacus assymmetrica Prescott, 1944
    See; Phacus gibbosus (ref. ID; 4950)
  41. Phacus asymmetricus Sokoloff (ref. ID; 4950)
  42. Phacus atraktoides Pochmann (ref. ID; 4950)
  43. Phacus bacillifer Da Cunha (ref. ID; 4950)
  44. Phacus balatonicus Hortob. (ref. ID; 4950)
  45. Phacus balatonicus var. boglariensis Hortob. (ref. ID; 4950)
  46. Phacus birgei Prescott (ref. ID; 4950)
  47. Phacus brachykentron Pochmann (ref. ID; 3517, 4492, 4950)
    Syn; Phacus pleuronectes (O.F. Muller) Dujardin var. rotherti Namyslowski, 1921 (ref. ID; 4950)
  48. Phacus brevicauda Lemm.
    See; Phacus corculum Pochmann (ref. ID; 4950)
  49. Phacus brevicaudatus (Klebs) Lemmermann (ref. ID; 3517, 4950)
  50. Phacus carinatus Conrad, 1942
    See; Phacus tricostatus (ref. ID; 4950)
  51. Phacus carinatus Pochmann, 1942 (ref. ID; 4950)
  52. Phacus caudata Hubn. var. polonica Drez., 1925
    See; Phacus ankylonoton Pochmann (ref. ID; 4950)
  53. Phacus caudata var. undulata Skv., 1922
    See; Phacus indicus (ref. ID; 4950)
  54. Phacus caudata var. volicensis Drez., 1925
    See; Phacus indicus (ref. ID; 4950)
  55. Phacus caudatus Hubner (ref. ID; 3490, 3517, 4950)
  56. Phacus caudatus var. minor Drez. (ref. ID; 4950)
  57. Phacus caudatus var. tenuis Swir. (ref. ID; 4950)
  58. Phacus chloroplastes Prescott (ref. ID; 4950)
  59. Phacus chloroplastes f. incisa Prescott (ref. ID; 4950)
  60. Phacus circulatus Pochmann (ref. ID; 4950)
    Syn; Phacus orbicularis var. zmudae Namyslowski, 1921 (ref. ID; 4950)
  61. Phacus circumflexum Pochmann, 1942 (ref. ID; 4967)
  62. Phacus circumflexus Pochmann (ref. ID; 4950)
  63. Phacus clavatus Dang. (ref. ID; 4950)
  64. Phacus cochleatus Pochmann (ref. ID; 4950)
  65. Phacus concavus Hortob. (ref. ID; 4950)
  66. Phacus contortus Bourr. (ref. ID; 4950)
  67. Phacus contortus var. complicata Bourr. (ref. ID; 4950)
  68. Phacus corculum Pochmann (ref. ID; 4950)
    Syn; Phacus brevicauda Lemm. (ref. ID; 4950)
  69. Phacus costatus Conrad (ref. ID; 4950)
  70. Phacus crenulata Prescott
    See; Phacus venustus var. prescotti (ref. ID; 4950)
  71. Phacus cuneatus Pochmann (ref. ID; 4950)
    Syn; Phacus setosa France var. crenata Skv., 1937 (ref. ID; 4950)
  72. Phacus curvicauda Swirenko (ref. ID; 3517, 4950)
  73. Phacus curvicauda var. robusta All. & Lef. (ref. ID; 4950)
  74. Phacus curvicauda var. undulata Skv. (ref. ID; 4950)
    See; Phacus myersi (ref. ID; 4950)
  75. Phacus curvicaudus Swir. (ref. ID; 4492)
  76. Phacus cylindrus Pochmann (ref. ID; 4950)
  77. Phacus dangeardii Lemm. (ref. ID; 4950)
    Syn; Phacus pleuronectes (O.F. Muller) Dujardin (ref. ID; 4950)
  78. Phacus dangeardii var. oblonga (Skvortzow) Huber-Pestalozzi (ref. ID; 4950)
    Syn; Phacus oblonga Skvortzow, 1928 (ref. ID; 4950)
  79. Phacus denisii All. & Lef. (ref. ID; 4950)
  80. Phacus dihistion Conrad (ref. ID; 4950)
  81. Phacus elegans Pochmann (ref. ID; 3517, 4950)
  82. Phacus filicauda (Conrad) Pochmann
    See; Phacus aenigmaticus f. filicauda (ref. ID; 4950)
  83. Phacus formosus Pochmann (ref. ID; 4950)
  84. Phacus gibbosus Huber-Pestalozzi (ref. ID; 4950)
    Syn; Phacus assymmetrica Prescott, 1944, non Phacus asymmetricus Sokoloff, 1933 (ref. ID; 4950)
  85. Phacus gigas Da Cunha (ref. ID; 4950)
  86. Phacus glaber (Defl.) Pochmann (ref. ID; 4950)
    Syn; Phacus hispidula f. glabra Defl., 1930 (ref. ID; 4950)
  87. Phacus globosus Pochmann (ref. ID; 4950)
  88. Phacus gracilis Pochmann (ref. ID; 4950)
  89. Phacus granulata Roll, 1925
    See; Phacus acuminatus var. granulata (ref. ID; 4950)
  90. Phacus granum Drez. (ref. ID; 4950)
    Syn; Phacus oscillans Klebs var. curta Skv. (ref. ID; 4950)
  91. Phacus gregussii Hortob. (ref. ID; 4950)
  92. Phacus hamatus Pochmann (ref. ID; 4492, 4950)
    Syn; Phacus pleuronectes var. citriformis Drez., 1921/22, 1925 (ref. ID; 4950)
  93. Phacus hameli Allorge & Lefevre (ref. ID; 4950)
  94. Phacus heimii Lef. (ref. ID; 4950)
  95. Phacus helicoides Pochmann (ref. ID; 3517, 4492, 4950)
    Syn; Phacus longicauda var. torta Lemm., 1900 (ref. ID; 4950); Phacus torta (Lemm.) Skv. var. tortuosa Skv., 1928 (ref. ID; 4950)
  96. Phacus hispidula (Eichwald) (ref. ID; 3490) or (Eichwald) Lemm., 1910 (ref. ID; 4950)
    See; Phacus hispidulus (ref. ID; 4950)
  97. Phacus hispidula f. glabra Defl., 1930
    See; Phacus glaber (ref. ID; 4950)
  98. Phacus hispidula (Eichw.) Lemm. f. pomiformis Conrad, 1938
    See; Phacus pomiformis (ref. ID; 4950)
  99. Phacus hispidula var. strigosa Defl., 1930
    See; Phacus margaritatus (ref. ID; 4950)
  100. Phacus hispidula (Eichw.) Lemm. var. suecica Lemm., 1910
    See; Phacus suecicus (ref. ID; 4950)
  101. Phacus hispidulus (Eichwald) Lemm. (ref. ID; 4950)
    Syn; Chloropeltis hispidula Stein, 1878 (ref. ID; 4950); Euglena hispidula Eichwald (ref. ID; 4950); Phacus hispidula (Eichwald) Lemm., 1910 (ref. ID; 4950)
  102. Phacus hispidulus var. steinii Lemm. (ref. ID; 4950)
  103. Phacus horridus Pochmann, 1942 (ref. ID; 4967, 4968) reported year? (ref. ID; 3517, 4492, 4950, 7591)
  104. Phacus hystrix Pochmann (ref. ID; 4950)
  105. Phacus ichthydion Pochmann (ref. ID; 4950)
  106. Phacus inconspicuus Defl. (ref. ID; 4950)
  107. Phacus incrassatus (Defl.) Pochmann (ref. ID; 4950)
    Syn; Phacus alata Klebs var. incrassata Deflandre, 1928 (ref. ID; 4950)
  108. Phacus indicus Skvortz. (ref. ID; 4950)
    Syn; Phacus caudata var. undulata Skv., 1922 (ref. ID; 4950); Phacus caudata var. volicensis Drez., 1925 (ref. ID; 4950)
  109. Phacus indicus var. boglariensis Hortobagyi (ref. ID; 4950)
  110. Phacus inflata Thompson
    See; Phacus thompsoni Huber-Pestalozzi (ref. ID; 4950)
  111. Phacus inflatus Playfair (ref. ID; 4950)
  112. Phacus inflatus Playfair var. pterophora Skuja (ref. ID; 4950)
  113. Phacus inflexus (Kiss.) Pochmann (ref. ID; 3517, 4950)
    Syn; Euglena inflexa Kisselew, 1931 (ref. ID; 4950)
  114. Phacus inflexus var. minor Bourr. (ref. ID; 4950)
  115. Phacus kemenesii Hortob. (ref. ID; 4950)
  116. Phacus latus (Roll) Pochmann (ref. ID; 4950)
    Syn; Phacus suecica Lemm. var. lata Roll, 1925 (ref. ID; 4950)
  117. Phacus lefevrei Bourr. (ref. ID; 4950)
  118. Phacus lemmermannii (Swir.) Skvortzow (ref. ID; 4492, 4950)
    Syn; Phacus alata Klebs var. lemmermannii Swirenko (ref. ID; 4950); Phacus alata Klebs var. major Drez. (ref. ID; 4950)
  119. Phacus lepocincloides Pochmann (ref. ID; 4950)
  120. Phacus lismorensis Playf. (ref. ID; 4492, 4950)
  121. Phacus lismorensis Playf. f. sigmoidea n. f. (ref. ID; 4657 original paper)
  122. Phacus longicauda (Ehrenberg) (ref. ID; 1618) or (Ehrenberg) Dujardin (ref. ID; 3517, 4950)
    Syn; Euglena longicauda Ehrenberg, 1838 (ref. ID; 4950); Phacus longicaudaus (Ehrenberg) Butschli, 1889 (ref. ID; 4950)
  123. Phacus longicauda f. curta Lefevre
    See; Phacus ranula (ref. ID; 4950)
  124. Phacus longicauda f. insecta Huber-Pestalozzi (ref. ID; 4950)
  125. Phacus longicauda var. attenuata (Pochm.) H.-P. (ref. ID; 4950)
  126. Phacus longicauda var. insecta Koczwara (ref. ID; 4950)
  127. Phacus longicauda var. madagassica (Pochm.) H.-P. (ref. ID; 4950)
  128. Phacus longicauda var. major Swirenko (ref. ID; 4950)
  129. Phacus longicauda var. ovata Skv., 1917 & 1928
    See; Phacus acutus Pochmann (ref. ID; 4950)
  130. Phacus longicauda var. rotunda (Pochm.) H.-P. (ref. ID; 4950)
  131. Phacus longicauda var. torta Lemm., 1900
    See; Phacus helicoides (ref. ID; 4950)
  132. Phacus longicaudaus (Ehrenberg) Butschli, 1889
    See; Phacus longicauda (ref. ID; 4950)
  133. Phacus longicaudus (Ehrenberg) (ref. ID; 3490) or (Ehrenberg) Dujardin (ref. ID; 4492)
  134. Phacus longicaudus (Ehr.) Dujardin var. longicaudatus (ref. ID; 4967)
  135. Phacus longicaudus (Ehr.) Dujardin var. rotundus (Pochm.) Huber-Pest. (ref. ID; 4967)
  136. Phacus makrostigma Pochmann (ref. ID; 4950)
    Syn; Phacus alata Klebs var. latviensis Skvortz., 1928 (ref. ID; 4950)
  137. Phacus mangini Lef. (ref. ID; 4950)
  138. Phacus mangini Lef. var. inflata Nyg. (ref. ID; 4950)
  139. Phacus margaritatus Pochmann, 1942 (ref. ID; 4968) reported year? (ref. ID; 4950)
    Syn; Phacus hispidula var. strigosa Defl., 1930 (ref. ID; 4950)
  140. Phacus mariae Deflandre (ref. ID; 4950)
    Syn; Phacus marina Deflandre (ref. ID; 4950)
  141. Phacus marina Deflandre
    See; Phacus mariae (ref. ID; 4950)
  142. Phacus megalopsis Pochmann (ref. ID; 4950)
  143. Phacus megapyrenoidea Roll, 1925
    See; Phacus acuminatus var. megaparamylica (ref. ID; 4950)
  144. Phacus mentaweiensis Conrad (ref. ID; 4950)
  145. Phacus meson Pochmann (ref. ID; 4492, 4950)
  146. Phacus minusculus Pochmann, 1942
    See; Phacus pseudonordstedtii var. minuscula (ref. ID; 4950)
  147. Phacus minutus (Playf.) Pochmann (ref. ID; 4950)
    Syn; Phacus pleuronectes var. minuta Playfair, 1921 (ref. ID; 4950)
  148. Phacus mirabilis Pochmann (ref. ID; 4950)
  149. Phacus monilata Stokes (ref. ID; 1618)
    See; Phacus monilatus Stokes (ref. ID; 4950)
  150. Phacus monilatus Stokes (ref. ID; 4950)
    Syn; Phacus monilata Stokes, 1887 (ref. ID; 4950)
  151. Phacus monilata var. suecica Lemm., 1904 (ref. ID; 4950)
    See; Phacus suecicus (ref. ID; 4950)
  152. Phacus monilicostatus Pochmann (ref. ID; 4950)
    Syn; Phacus pyrum var. punctulata Allorge & Lefevre, 1925 (ref. ID; 4950)
  153. Phacus moorselensis Conrad (ref. ID; 4950)
  154. Phacus moraviensis Pochmann (ref. ID; 4950)
  155. Phacus morii Skv. (ref. ID; 4950)
  156. Phacus multiannulatus Pochmann (ref. ID; 4950)
  157. Phacus musculus Pochmann (ref. ID; 4950)
    Syn; Phacus acuminata Stokes f. minor Kisselew, 1931 (ref. ID; 4950)
  158. Phacus myersi Skvortz. (ref. ID; 4950)
    Syn; Phacus curvicauda var. undulata Skv. (ref. ID; 4950)
  159. Phacus nannos Pochmann (ref. ID; 4950)
  160. Phacus niloticus Conrad (ref. ID; 4950)
  161. Phacus nordstedtii Lemm. (ref. ID; 4950)
  162. Phacus oblonga Skvortzow, 1928
    See; Phacus dangeardii var. oblonga (ref. ID; 4950)
  163. Phacus obolus Pochmann (ref. ID; 4950)
  164. Phacus onyx Pochmann (ref. ID; 4950)
  165. Phacus onyx Pochmann var. symmetrica Tell & Zalocar, 1985 (ref. ID; 4968)
  166. Phacus orbicularis Hubner (ref. ID; 3517, 4950)
    Syn; Phacus ovoidea Roll, 1925 (ref. ID; 4950); Phacus zingeri Roll, 1925 (ref. ID; 4950)
  167. Phacus orbicularis var. caudata Skvortz.
    See; Phacus platalea (ref. ID; 4950)
  168. Phacus orbicularis var. minor Fritsch & Rich., 1929
    See; Phacus unguis (ref. ID; 4950)
  169. Phacus orbicularis var. minor Seckt, 1922
    See; Phacus ventriosus (ref. ID; 4950)
  170. Phacus orbicularis var. undulata Skv.
    See; Phacus undulatus (ref. ID; 4950)
  171. Phacus orbicularis var. zmudae Namyslowski, 1921
    See; Phacus circulatus Pochmann (ref. ID; 4950)
  172. Phacus oscillans Klebs (ref. ID; 1618, 4657, 4950)
  173. Phacus oscillans Klebs var. curta Skv.
    See; Phacus granum Drez. (ref. ID; 4950)
  174. Phacus ostreatus Pochmann (ref. ID; 4950)
  175. Phacus ovoidea Roll, 1925
    See; Phacus orbicularis Hubner (ref. ID; 4950)
  176. Phacus ovum (Ehrenberg) Klebs
    See; Lepocinclis ovum (ref. ID; 4950)
  177. Phacus ovum var. globula Klebs
    See; Lepocinclis ovum var. globula (ref. ID; 4950)
  178. Phacus parvulus Klebs (ref. ID; 4950)
  179. Phacus pekinensis Skvortz. (ref. ID; 4950)
  180. Phacus persikon Pochmann (ref. ID; 4950)
    Syn; Phacus segretii var. punctulata Allorge & Lefevre, 1925 (ref. ID; 4950)
  181. Phacus peteloti Lef. (ref. ID; 4950)
  182. Phacus platalea Drez. (ref. ID; 4950)
    Syn; Phacus orbicularis var. caudata Skvortz. (ref. ID; 4950)
  183. Phacus platalea Drez. f. minor Deflandre, 1928
    See; Phacus pseudoplatalea (ref. ID; 4950)
  184. Phacus platalea var. major De Pouques (ref. ID; 4950)
  185. Phacus platalea var. tiszae Hortob (ref. ID; 4950)
  186. Phacus platyaulax Pochmann (ref. ID; 4492, 4950)
  187. Phacus pleuronectes O.F. Muller (ref. ID; 1618, 3490) or (O.F. Muller) Dujardin (ref. ID; 3517, 4950) reported author and year? (ref. ID; 4826)
    See; Phacus dangeardii Lemm. (ref. ID; 4950)
  188. Phacus pleuronectes var. australis Playfair, 1921
    See; Phacus thrombus (ref. ID; 4950)
  189. Phacus pleuronectes var. citriformis Drez., 1921/22, 1925
    See; Phacus hamatus (ref. ID; 4950)
  190. Phacus pleuronectes var. insecta Koczwara, 1915
    See; Phacus undulatus (ref. ID; 4950)
  191. Phacus pleuronectes var. marginata Skv., 1928
    See; Phacus triqueter (ref. ID; 4950)
  192. Phacus pleuronectes var. minuta Playfair, 1921
    See; Phacus minutus (ref. ID; 4950)
  193. Phacus pleuronectes (O.F. Muller) Dujardin var. rotherti Namyslowski, 1921
    See; hacus brachykentron (ref. ID; 4950)
  194. Phacus pleuronectes var. swirenkoana Skv., 1925
    See; Phacus venustus Pochmann (ref. ID; 4950)
  195. Phacus plicatus Conrad (ref. ID; 4950)
  196. Phacus polytrophos Pochmann (ref. ID; 3517, 4950)
  197. Phacus pomiformis (Conrad) Pochmann (ref. ID; 4950)
    Syn; Phacus hispidula (Eichw.) Lemm. f. pomiformis Conrad, 1938 (ref. ID; 4950)
  198. Phacus pseudonordstedtii Pochmann (ref. ID; 4950)
    Syn; Phacus pyrum var. hastata Wehrle, 1939 (ref. ID; 4950); Phacus pyrum var. nordstedtii Defl., 1926 (ref. ID; 4950)
  199. Phacus pseudonordstedtii var. minuscula (Conr.) Hub.-Pest (ref. ID; 4492, 4950)
    Syn; Phacus minusculus Pochmann, 1942 (ref. ID; 4950); Phacus pyrum var. nordstedtii f. minuscula Conrad, 1938 (ref. ID; 4950)
  200. Phacus pseudo-oscillans Conrad (ref. ID; 4950)
  201. Phacus pseudoplatalea Pochmann (ref. ID; 4950)
    Syn; Phacus platalea Drez. f. minor Deflandre, 1928 (ref. ID; 4950)
  202. Phacus pulcher Roll, 1925 (ref. ID; 4968)
  203. Phacus pulcherrimus (Conrad) Pochmann (ref. ID; 4950)
    Syn; Phacus pyrum f. pulcherrima Conrad, 1938 (ref. ID; 4950)
  204. Phacus pusillus Lemmermann (ref. ID; 3517, 4950)
  205. Phacus pygmaeus Pochmann (ref. ID; 4950)
  206. Phacus pyrum (Ehrenberg) (ref. ID; 1618) or (Ehrenberg) Stein (ref. ID; 4950)
    See; Monomorphina pyrum (ref. ID; 3517)
    Syn; Euglena pyrum Ehrenberg, 1832 (ref. ID; 4950); Lepocinclis pyrum Perty, 1852 (ref. ID; 4950)
  207. Phacus pyrum f. pulcherrima Conrad, 1938
    See; Phacus pulcherrimus (ref. ID; 4950)
  208. Phacus pyrum var. hastata Wehrle, 1939
    See; Phacus pseudonordstedtii (ref. ID; 4950)
  209. Phacus pyrum var. longicauda Skv. 1928
    See; Phacus trypanon (ref. ID; 4950)
  210. Phacus pyrum var. nordstedtii Defl., 1926
    See; Phacus pseudonordstedtii (ref. ID; 4950)
  211. Phacus pyrum var. nordstedtii f. minuscula Conrad, 1938
    See; Phacus pseudonordstedtii var. minuscula (ref. ID; 4950)
  212. Phacus pyrum var. ovata Playfair, 1912
    See; Lepocinclis ovata (ref. ID; 4950)
  213. Phacus pyrum var. punctulata Allorge & Lefevre, 1925
    See; Phacus monilicostatus (ref. ID; 4950)
  214. Phacus pyrum var. rudicula Playfair, 1921
    See; Phacus rudicula (ref. ID; 4950)
  215. Phacus quinque-marginatus Jahn & Shawhan (ref. ID; 4950)
  216. Phacus raciborskii Drez. (ref. ID; 4950)
  217. Phacus raciborskii f. minor Hortob. (ref. ID; 4950)
  218. Phacus ranula Pochmann (ref. ID; 4950)
    Syn; Phacus longicauda f. curta Lefevre (ref. ID; 4950)
  219. Phacus rotundus Brabez (ref. ID; 4950)
  220. Phacus rudicula (Playf.) Pochmann (ref. ID; 4492, 4950)
    Syn; Phacus pyrum var. rudicula Playfair, 1921 (ref. ID; 4950)
  221. Phacus schroeteri Huber-Pestalozzi (ref. ID; 4950)
  222. Phacus segretii Allorge & Lefevre (ref. ID; 4950)
  223. Phacus segretii var. ovum Prescott (ref. ID; 4950)
  224. Phacus segretii var. punctulata Allorge & Lefevre, 1925
    See; Phacus persikon (ref. ID; 4950)
  225. Phacus sesquitortus Pochmann, 1942 (ref. ID; 4967) reported year? (ref. ID; 4950)
  226. Phacus setosa France var. crenata Skv., 1937
    See; Phacus cuneatus (ref. ID; 4950)
  227. Phacus setosus France (ref. ID; 4950)
  228. Phacus similis Christen (ref. ID; 3717, 4657)
  229. Phacus skujai Skwortzow (ref. ID; 3517, 4950)
  230. Phacus splendens Pochmann (ref. ID; 4950)
  231. Phacus spiralis Allerge & Jahn (ref. ID; 4950)
  232. Phacus staurastroides Conrad (ref. ID; 4950)
  233. Phacus stokesii Lemm. (ref. ID; 4950)
    Syn; Cyclanura orbiculata Stokes, 1886 (ref. ID; 4950)
  234. Phacus stokesii f. minor Conrad (ref. ID; 4950)
  235. Phacus striatus France (ref. ID; 4950)
  236. Phacus strongylus Pochmann (ref. ID; 4950)
  237. Phacus suecica Lemm. var. lata Roll, 1925
    See; Phacus latus (ref. ID; 4950)
  238. Phacus suecicus Lemmermann (ref. ID; 3517, 4492, 4950)
    Syn; Phacus hispidula (Eichw.) Lemm. var. suecica Lemm., 1910 (ref. ID; 4950); Phacus monilata var. suecica Lemm., 1904 (ref. ID; 4950)
  239. Phacus suecicus var. inermis Nyg. (ref. ID; 4950)
  240. Phacus suecicus var. oidion Pochmann (ref. ID; 4950)
  241. Phacus suecicus var. oidion Pochmann f. spinosa Conforti, 1998 (ref. ID; 4967 original paper)
  242. Phacus sulcatus Conrad (ref. ID; 4950)
  243. Phacus swirenkoi Skvortz. (ref. ID; 4950)
  244. Phacus tabodyana Hortob.
    See; Phacus tabodyanus (ref. ID; 4950)
  245. Phacus tabodyanus Hortob. (ref. ID; 4950)
    Syn; Phacus tabodyana Hortob. (ref. ID; 4950)
  246. Phacus teres Schmitz
    See; Lepocinclis teres (ref. ID; 4950)
  247. Phacus textus Pochmann (ref. ID; 4492, 4950)
  248. Phacus thompsoni Huber-Pestalozzi (ref. ID; 4950)
    Syn; Phacus inflata Thompson (ref. ID; 4950)
  249. Phacus thrombus Pochmann (ref. ID; 4950)
    Syn; Phacus pleuronectes var. australis Playfair, 1921 (ref. ID; 4950)
  250. Phacus thrombus var. minor Hortobagyi (ref. ID; 4950)
  251. Phacus torta Lemmermann (ref. ID; 1618)
  252. Phacus torta (Lemm.) Skv. var. tortuosa Skv., 1928 (ref. ID; 4950)
    See; Phacus helicoides (ref. ID; 4950)
  253. Phacus tortuosus Roll (ref. ID; 4950)
  254. Phacus tortus (Lemmermann) Skvortzow (ref. ID; 3517, 4492, 4950, 4967)
  255. Phacus tortus var. roeckli Pochmann (ref. ID; 4950)
  256. Phacus tricostatus Conrad (ref. ID; 4950)
    Syn; Phacus carinatus Conrad, 1942, non Phacus carinatus Pochmann, 1942 (ref. ID; 4950)
  257. Phacus trimarginatus Allerge & Jahn (ref. ID; 4950)
  258. Phacus triqueter (Ehrenberg) (ref. ID; 3490) or (Ehrenberg) Dujardin, 1841 (ref. ID; 4967) reported year? (ref. ID; 3517, 4950)
    Syn; Euglena triquetra Ehrenberg (ref. ID; 4950); Phacus pleuronectes var. marginata Skv., 1928 (ref. ID; 4950)
  259. Phacus tropidonotus Conrad (ref. ID; 4950)
  260. Phacus trypanon Pochmann, 1942 (ref. ID; 4492) reported year? (ref. ID; 4950)
    Syn; Phacus pyrum var. longicauda Skv. 1928 (ref. ID; 4950)
  261. Phacus turgidulus Pochmann (ref. ID; 4950)
  262. Phacus undulatus (Skv.) Pochmann (ref. ID; 4950)
    Syn; Phacus orbicularis var. undulata Skv. (ref. ID; 4950); Phacus pleuronectes var. insecta Koczwara, 1915 (ref. ID; 4950)
  263. Phacus undulatus f. major (Presc.) H.-P. (ref. ID; 4950)
    Syn; Phacus anacoelus Stokes var. undulata Skv. f. major Prescott (ref. ID; 4950)
  264. Phacus undulatus f. multiundulata (Halasz) H.-P. (ref. ID; 4950)
    Syn; Phacus anacoelus Stokes var. undulata Skv. f. multiundulata Halasz (ref. ID; 4950)
  265. Phacus unguis Pochmann (ref. ID; 4950)
    Syn; Phacus orbicularis var. minor Fritsch & Rich., 1929 (ref. ID; 4950)
  266. Phacus ulula Pochmann, 1942 (ref. ID; 4492) reported year? (ref. ID; 4950)
  267. Phacus ventriosus Pochmann (ref. ID; 4950)
    Syn; Phacus orbicularis var. minor Seckt, 1922 (ref. ID; 4950)
  268. Phacus venustus Pochmann (ref. ID; 4950)
    Syn; Phacus pleuronectes var. swirenkoana Skv., 1925 (ref. ID; 4950)
  269. Phacus venustus var. prescotti Huber-Prestalozzi (ref. ID; 4950)
    Syn; Phacus crenulata Prescott (ref. ID; 4950)
  270. Phacus viguieri All. & Lef. (ref. ID; 4950)
  271. Phacus warszewiczii Drez. (ref. ID; 4950)
  272. Phacus wettsteini Drez. (ref. ID; 4950)
  273. Phacus zingeri Roll, 1925
    See; Phacus orbicularis (ref. ID; 4950)

Phacus acuminata Stokes (ref. ID; 1618)

Descriptions

Nearly circular in outline; longitudinally striated; usually one small paramylum body; flagellum as long as the body. (ref. ID; 1618)

Measurements

About 30-40 by 20-30 um. (ref. ID; 1618)

Phacus caudatus Hubner (ref. ID; 3490, 3517, 4950)

Descriptions

The oblong species carrying a fairly elongate caudal process and having large and small paramylum bodies. (ref. ID; 3490)

Measurements

The examined specimen was rather small, being as long as 38 um and as broad as 18 um. (ref. ID; 3490)

Phacus curvicaudus Swir. (ref. ID; 4492)

Descriptions

Cell 22-24 um, 16-18 um, contour triangular, thick, slightly twisted, both faces dividing by a median furrow in two different halves, one thicker and longer than the other. Ends rounded, posterior tapered to a short curved pointed cauda (1.5-2 um long). In apical view the cell present "S" or "8" shape. Pellicle longitudinally striated following the torsion of the cell. Two big spherical paramylon bodies, located one in each half of the cell. Cosmopolitan. (ref. ID; 4492)

Phacus helicoides Pochmann (ref. ID; 3517, 4492, 4950)

Synonym

Phacus longicauda var. torta Lemm., 1900 (ref. ID; 4950); Phacus torta (Lemm.) Skv. var. tortuosa Skv., 1928 (ref. ID; 4950)

Descriptions

Cell 95-100 um long, 48-50 um broad, cauda 30-32 um long, romboidal in frontal view, twisted. We could observe 16 striae on each face (5-6 in 10 um) mounted on an elevation of the pellicle which follows the torsion of the cell. Thinner transversal striae extend between these above mentioned (11-12 in 10 um). The torsion originated in the anterior end, extends along the whole cell and produces 4 helicoidal rotations. Cosmopolitan. (ref. ID; 4492)

Comment

In our opinion the specimen from Bolivia described as P. helicoides by Coute & Therezien (1994), could be P. sesquitortus on the basis of its torsions number. (ref. ID; 4492)

Phacus hispidula (Eichwald) (ref. ID; 3490) or (Eichwald) Lemm., 1910 (ref. ID; 4950)

See

Phacus hispidulus (ref. ID; 4950)

Descriptions

The cell is ovate with a short caudal process and has hispidulous rows instead of striae, a flagellum as long as the cell and a single small paramylum particule. (ref. ID; 3490)

Phacus horridus Pochmann, 1942 (ref. ID; 4967, 4968) reported year? (ref. ID; 3517, 4492, 4950, 7591)

Descriptions

Our observations of the ultrastructure of this species were similar to those described by Conforti & Tell (1983), Conforti (1994, 1998). Among the studied specimens we could observe two types of cell, ones broadly ovate and shorter than the others (30-32x21-22 um, cauda 5-6 um long), which presented a more elongate contour (45-47x23-24 um, cauda 7-8 um long). Cosmopolitan. (ref. ID; 4492)
The pellicle ultrastructure. (ref. ID; 7591)

Phacus lemmermannii (Swir.) Skvortzow (ref. ID; 4492, 4950)

Synonym

Phacus alata Klebs var. lemmermannii Swirenko (ref. ID; 4950); Phacus alata Klebs var. major Drez. (ref. ID; 4950)

Descriptions

Cell 42-45 um long, 25-29 um broad, triangular, twisted, with a longitudinal deep median furrow. Anterior end rounded slightly emarginate. Posterior end tapering into a straight or curved, acute cauda (3-4 um long). Pellicle with longitudinal striae (13-14 in 10 um) that follow the cell torsion. Cosmopolitan. (ref. ID; 4492)

Phacus longicauda (Ehrenberg) (ref. ID; 1618) or (Ehrenberg) Dujardin (ref. ID; 3517, 4950)

Synonym

Euglena longicauda Ehrenberg, 1838 (ref. ID; 4950); Phacus longicaudaus (Ehrenberg) Butschli, 1889 (ref. ID; 4950)

Descriptions

Usually slightly twisted; a long caudal prolongation; flagellum about one-half the body length; stigma prominent; many chromatophores; a discoidal paramylum body central; pellicle longitudinally striated. (ref. ID; 1618)

Measurements

120-170 by 45-70 um. (ref. ID; 1618)

Phacus longicaudus (Ehrenberg) (ref. ID; 3490) or (Ehrenberg) Dujardin (ref. ID; 4492)

Descriptions

The species is strongly twisted and has a long caudal process. (ref. ID; 3490)

Measurements

The cell 120 in length, 50 um in breadth and 40 um in length of a caudal process. (ref. ID; 3490)

Phacus monilata Stokes (ref. ID; 1618)

See

Phacus monilatus Stokes (ref. ID; 4950)

Descriptions

A short caudal projection; pellicle with minute knobs arranged in longitudinal rows; discoid chromatophores; flagellum about the body length. (ref. ID; 1618)

Measurements

40-55 by 32-40 um. (ref. ID; 1618)

Phacus oscillans Klebs (ref. ID; 1618, 4657, 4950)

Descriptions

Rounded anteriorly and bluntly pointed posteriorly; striation oblique; one or two paramylum bodies; flagellum about as long as the body. (ref. ID; 1618)

Measurements

15-35 by 7-10 um. (ref. ID; 1618)

Phacus pleuronectes O.F. Muller (ref. ID; 1618, 3490) or (O.F. Muller) Dujardin (ref. ID; 3517, 4950) reported author and year? (ref. ID; 4826)

See

Phacus dangeardii Lemm. (ref. ID; 4950)

Descriptions

Short posterior prolongation slightly curved; a prominent ridge on the convex side, extending to posterior end; longitudinally striated; usually one circular paramylum body near center; flagellum as long as body. (ref. ID; 1618)
The cell is ovate with a short twisted caudal process and usually contains a large paramylum body. (ref. ID; 3490)

Measurements

45-100 by 30-70 um. (ref. ID; 1618)
The size is variable, being as long as 30-53 um and as broad as 22-23 um. (ref. ID; 3490)

Phacus pyrum (Ehrenberg) (ref. ID; 1618) or (Ehrenberg) Stein (ref. ID; 4950)

See

Monomorphina pyrum (ref. ID; 3517)

Descriptions

Circular in cross-section; with a medium long caudal prolongation; pellicle obliquely ridged; stigma inconspicuous; 2 discoidal paramylum bodies; flagellum as long as body. (ref. ID; 1618)

Measurements

About 30-50 by 10-20 um. (ref. ID; 1618)

Phacus rudicula (Playf.) Pochmann (ref. ID; 4492, 4950)

Descriptions

Cell 21-22 um long, 12-14 um broad, clavate to pear shaped, asymmetrical, weakly flattened in apical view, 9-10 um thickness, anterior end rounded, posterior end narrowly tapered, with a moderate long, straight cauda (10-14 um). Pellicle with 7-9 spirally ribs, twisted to the left, concavely depressed between adjacent ribs, which born in the flagellar pore. Australia, Europe, South America. (ref. ID; 4492)

Phacus torta Lemmermann (ref. ID; 1618)

Descriptions

Body twisted, with a long caudal prolongation; longitudinal striae on pellicle; chromatophores discoid; one large circular paramylum body; flagellum about one-half the body length. (ref. ID; 1618)

Measurements

80-100 by 40-45 um. (ref. ID; 1618)

Phacus triqueter (Ehrenberg) (ref. ID; 3490) or (Ehrenberg) Dujardin, 1841 (ref. ID; 4967) reported year? (ref. ID; 3517, 4950)

Descriptions

The compressed cell has the rigid periplast ornamented with characteristic raisen striae and a short caudal process. (ref. ID; 3490)

Measurements

Only a single specimen 50 um long and 40 um broad. (ref. ID; 3490)

Phacus trypanon Pochmann, 1942 (ref. ID; 4492) reported year? (ref. ID; 4950)

Descriptions

The cells observed in our materials were shorter than those described by Pochmann (1942), 20.5-21 um long, 15-16 um broad, clavate to pear shaped, clearly depressed in apical view, 8-9 um thickness. Pellicle with ribs spirally striated to the left, which born in the flagellar pore and surround the body to the tail point. The posterior end tapers gradually to a straight pointed cauda. Africa, Bolivia, Europe, Guadaloupe. (ref. ID; 4492)

Phacus ulula Pochmann, 1942 (ref. ID; 4492) reported year? (ref. ID; 4950)

Descriptions

Cell broadly ovate in frontal view, depressed in lateral view. Anterior end broadly rounded, lateral margins weakly undulate, posterior end broadly rounded with a short (2-3 um), rounded, slightly curved cauda. Pellicle with ribs spirally striated to the left, concavely depressed between adjacent ribs. Two large, lateral, parietal, cup shaped paramylon bodies, each 12-13 um long. Europe. (ref. ID; 4492)

Measurements

Our specimens were shorter than those described by Pochmann (1942) 16-17 um long, 15-16 um broad. (ref. ID; 4492)