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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Allonais

Allonais Sperber, 1948 (ref. ID; 6913)

Family Naididae (ref. ID; 5939, 6554)

ref. ID; 1663

Eyes absent. Needle setae distinctly different from ventral setae. Capilliform setae dorsal bundles without teeth. Body wall nacked. Hair setae present. Without proboscis. Dorsal setae beginning on IV, V or VI. (ref. ID; 1663)

ref. ID; 1923

Prostomium not elongated to form a proboscis. Dorsal setae not serrate along borders; without secondary annulations on segments. Without eyes, ventral setae of segments 2 to 5 only slightly different from those of the more posterior segments. Single species. (ref. ID; 1923)
  1. Allonais inaequalis (ref. ID; 6554, 6580)
  2. Allonais gwaliorensis (Stephensen, 1920) (ref. ID; 6651)
  3. Allonais gwalioriensis (ref. ID; 6580)
  4. Allonais lairdi Naidu, 1965 (ref. ID; 6913)
  5. Allonais paraguayensis (Michaelsen, 1905) (ref. ID; 1663, 1923, 6554, 6651, 6913) reported author and year? (ref. ID; 5939)
  6. Allonais parguayensis (Michaelsen) (ref. ID; 2683)
  7. Allonais pectinata (Stephensen, 1910) (ref. ID; 6651) or Stephenson (ref. ID; 6913) reported author and year? (ref. ID; 6580)
  8. Allonais ranauana Boldt, 1932 (ref. ID; 6580)

Allonais paraguayensis (Michaelsen, 1905) (ref. ID; 1663, 1923, 6554, 6651, 6913) reported author and year? (ref. ID; 5939)

Remarks

We are treating this taxon as a single variable species as suggested by Brinkhurst and Jamieson (1971), with A. inaequalis as a distinct but closely related taxon. Chaetal form and size in this material were within the usual range; the dorsal chaetae began in VI. (ref. ID; 6554)

New record

Peru: Curanja Balta River and Lake Yarinacoche, Depto. Loreto, 1965-1966, coll. J. O'Neill, A.L. Gardner, 29 specimens, W.J. Harman collection. (ref. ID; 6554)