Main Content

The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Actinophrys

Actinophrys Ehrenberg, 1830

[ref. ID; 1618]
Spheroidal; cytoplasm highly vacuolated, especially ectoplasm; with often symbiotic zoochlorellae; one to many contractile vacuoles; axopodia straight, numerous, axial filaments terminate at surface of the nucleus; "sun animalcules"; fresh water. (ref. ID; 1618)

[ref. ID; 1923]
No central corpuscle. Central nucleus from which the axial filaments arise. Nucleus single. (ref. ID; 1923)
  1. Actinophrys alveolata Schewiakoff, 1893
    See; Actinophrys sol Ehrenberg, 1830 (ref. ID; 1334, 3541, 3691)
  2. Actinophrys ciliatum Nelson, 1916
    See; Dimorpha mutans (ref. ID; 1334)
  3. Actinophrys difformis Ehrenberg, 1830 (ref. ID; 3541, 3691) or 1831 (ref. ID; 1334)
    See; Actinophrys sol Ehrenberg, 1830 (ref. ID; 1334, 3541, 3691)
  4. Actinophrys eichhornii Claparede, 1854
    See; Actinophrys sol Ehrenberg, 1830 (ref. ID; 1334, 3541, 3691)
  5. Actinophrys eichhornii Ehrenberg, 1840
    See; Actinospherium eichhornii (ref. ID; 1334, 3541)
  6. Actinophrys fissipes Lachmann, 1859
    See; Actinophrys sol Ehrenberg, 1830 (ref. ID; 1334, 3541, 3691)
  7. Actinophrys limbata Lachmann, 1859
    See; Actinophrys sol Ehrenberg, 1830 (ref. ID; 1334, 3541, 3691)
  8. Actinophrys longipes Lachmann, 1859
    See; Actinophrys sol Ehrenberg, 1830 (ref. ID; 1334, 3541, 3691)
  9. Actinophrys marina Dujardin, 1841
    See; Actinophrys sol Ehrenberg, 1830 (ref. ID; 1334, 3541, 3691)
  10. Actinophrys oculata Stein, 1854
    See; Actinophrys sol Ehrenberg, 1830 (ref. ID; 1334, 3541, 3691)
  11. Actinophrys paradoxa Carter, 1864
    See; Actinophrys sol Ehrenberg, 1830 (ref. ID; 1334, 3541, 3691)
  12. Actinophrys pedicellata Dujardin, 1841
    See; Podophrya fixa (ref. ID; 1334)
  13. Actinophrys picta Leidy, 1879
    See; Actinophrys sol Ehrenberg, 1830 (ref. ID; 1334, 3541, 3691)
  14. Actinophrys pontica Valkanov, 1940 (ref. ID; 3541) reported year? (ref. ID; 1335)
  15. Actinophrys sol (Penard) (ref. ID; 1308)
  16. Actinophrys sol Ehrenberg, 1830 (ref. ID; 1334, 1335, 1923, 2114, 3541, 3691) reported year? (ref. ID; 1618, 5624) reported author and year? (ref. ID; 7542, 7560, 7572, 7724)
    Syn; Actinophrys alveolata Schewiakoff, 1893 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys difformis Ehrenberg, 1830 (ref. ID; 3541, 3691) or 1831 (ref. ID; 1334); Actinophrys eichhornii Claparede, 1854 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys fissipes Lachmann, 1859 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys limbata Lachmann, 1859 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys longipes Lachmann, 1859 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys marina Dujardin, 1841 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys oculata Stein, 1854 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys paradoxa Carter, 1864 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys picta Leidy, 1879 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys stella Perty, 1852 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys subalpina West (ref. ID; 3691); Actinophrys tenuipes Claparede & Lachmann, 1858 (ref. ID; 3541) or 1859 (ref. ID; 1334) reported year? (ref. ID; 3691); Actinophrys tunicata Lachmann, 1859 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691)
  17. Actinophrys sol Ehrenberg var. fusca Penard, 1904 (ref. ID; 3691 original paper)
  18. Actinophrys stella Perty, 1852
    See; Actinophrys sol Ehrenberg, 1830 (ref. ID; 1334, 3541, 3691)
  19. Actinophrys subalpina West, 1901 (ref. ID; 3541 reported year? (ref. ID; 1334, 3691)
    See; Actinophrys sol Ehrenberg, 1830 (ref. ID; 3691)
  20. Actinophrys tenuipes Claparede & Lachmann, 1858 (ref. ID; 3541) or 1859 (ref. ID; 1334) reported year? (ref. ID; 3691)
    See; Actinophrys sol Ehrenberg, 1830 (ref. ID; 1334, 3541, 3691)
  21. Actinophrys tunicata Lachmann, 1859
    See; Actinophrys sol Ehrenberg, 1830 (ref. ID; 1334, 3541, 3691)
  22. Actinophrys vesiculata Penard, 1901 (ref. ID; 3541, 3691) reported year? (ref. ID; 1618, 5624)
  23. Actinophrys viridis Ehrenberg, 1833 (ref. ID; 1334) reported year? (ref. ID; 3691)
    See; Acanthocystis chetophora (ref. ID; 1334), Acanthocystis turfacea Carter, 1863 (ref. ID; 3691)

Actinophrys sol Ehrenberg, 1830 (ref. ID; 1334, 1335, 1923, 2114, 3541, 3691) reported year? (ref. ID; 1618, 5624) reported author and year? (ref. ID; 7542, 7560, 7572, 7724)

Synonym

Actinophrys alveolata Schewiakoff, 1893 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys difformis Ehrenberg, 1830 (ref. ID; 3541, 3691) or 1831 (ref. ID; 1334); Actinophrys eichhornii Claparede, 1854 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys fissipes Lachmann, 1859 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys limbata Lachmann, 1859 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys longipes Lachmann, 1859 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys marina Dujardin, 1841 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys oculata Stein, 1854 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys paradoxa Carter, 1864 (ref. ID; 1334, 3541, 3691); Actinophrys picta Leidy, 1879 (ref. ID; 1334, 3541, 3691); Actinophrys stella Perty, 1852 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691); Actinophrys subalpina West (ref. ID; 3691); Actinophrys tenuipes Claparede & Lachmann, 1858 (ref. ID; 3541) or 1859 (ref. ID; 1334) reported year? (ref. ID; 3691); Actinophrys tunicata Lachmann, 1859 (ref. ID; 1334, 3541) reported year? (ref. ID; 3691)

Descriptions

Spherical; ectoplasm vacuolated; endoplasm granulated with numerous small vacuoles; a large central nucleus; solitary but may be colonial when young; among plants in still fresh water. (ref. ID; 1618)
Body spherical with protoplasm highly vacuolated. Usually 1 contractile vacuole which rises and pushes out the surface as a rounded globule before bursting. Pseudopodia extending from all parts of the body, with axial filaments arising from the membrane of the single nucleus. Habitat pond water among aquatic plants; very common. (ref. ID; 1923)
The ultrastructural study. (ref. ID; 7542, 7560, 7572)
The ultrastructural study of the vegetative mitosis. (ref. ID; 7724)

Measurements

Diameter variable, average being 40-50 um. (ref. ID; 1618)
Diameter 40-50 um. (ref. ID; 1923)

Actinophrys vesiculata Penard, 1901 (ref. ID; 3541, 3691) reported year? (ref. ID; 1618, 5624)

Descriptions

Ectoplasm with saccate secondary vesicles, extending out of body surface between axopodia; nucleus central, with many endosomes; fresh water. (ref. ID; 1618)

Measurements

25-30 um in average diameter. (ref. ID; 1618)