Eulagisca
Genus of annelids
From Wikipedia, the free encyclopedia
Eulagisca is a genus of marine polychaete worms belonging to the family Polynoidae. The genus includes 5 species which are all found in the Southern and Antarctic Oceans and are notable for reaching a large size, 180 mm or more long, larger than any other species of Polynoidae.[1]
| Eulagisca | |
|---|---|
| |
| Specimen of Eulagisca gigantea, at the Smithsonian Oceanographic Sorting Center | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Annelida |
| Clade: | Pleistoannelida |
| Subclass: | Errantia |
| Order: | Phyllodocida |
| Family: | Polynoidae |
| Genus: | Eulagisca McIntosh, 1885 |
| Type species | |
| Eulagisca corrientis McIntosh, 1885 | |
Description
Species of Eulagisca have 35–41 segments and 15 pairs of elytra. The lateral antennae are undivided and inserted terminally on the prostomium . There is a distinctive dorsal fold ("nuchal flap" in the taxonomic literature) on segment 2, and unlike the related genus Pareulagisca, in Eulagisca all notochaetae are stout and have blunt tips.[1]
Species
Five species of Eulagisca are recognised as of August 2020:[2]
- Eulagisca corrientis McIntosh, 1885
- Eulagisca gigantea Monro, 1939
- Eulagisca macnabi Pettibone, 1997
- Eulagisca puschkini Averincev, 1972
- Eulagisca uschakovi Pettibone, 1997
