Eulagisca uschakovi

{{Short description|Species of annelid worm}}

{{Speciesbox

| image = Eulagisca uschakovi whole F135058.jpg

| image_caption = Dorsal view of a Eulagisca uschakovi specimen from Museums Victoria

| taxon = Eulagisca uschakovi

| authority = Pettibone, 1997{{cite web |last1=Read |first1=G. |last2=Fauchald |first2=K. |title=World Polychaeta database. Eulagisca uschakovi |url=http://www.marinespecies.org/aphia.php?p=taxdetails&id=327572 |website=World Register of Marine Species |accessdate=16 July 2020}}

}}

Eulagisca uschakovi is a giant scale worm known from the Antarctic, in waters such as off Mac.Robertson Land, Palmer Archipelago and the Weddell Sea, at depths of 10 to 920m.{{cite journal |last1=Pettibone |first1=M. |title=Revision of the scaleworm genus Eulagisca McIntosh (Polychaeta: Polynoidae) with the erection of the subfamily Eulagiscinae and the new genus Pareulagisca |journal=Proceedings of the Royal Society of Washington |date=1997 |volume=110 |issue=4 |pages=537–551 |url=https://www.biodiversitylibrary.org/page/35458571#page/567}}

==Description==

Specimens can grow to up to around 190 mm in length and have 39 segments with 15 pairs of elytra. The body is brownish at the mid-dorsum. The elytra are large and thin, with brownish splashes of pigmentation and fringe of sharp, pointed papillae along their margin. Wide, ovular prostomium with the median antenna with a large ceratophore in an anterior notch and lateral antennae inserted terminally on anterior margin of prostomium. Notochaetae are capillary-type and thicker than the capillary neurochaetae.