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Eulagisca gigantea is a species of scale worm commonly known as the Antarctic scale worm. [2] This species is specifically found in the deep-sea in cold waters like the Antarctic Ocean . The scale worms are named for the elytra on their surface that look like scales.
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. [ 2 ] 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.
Most Polynoidae species are short and flattened, but can reach as much as 20 cm in length and 10 cm width in Eulagisca gigantea and Eulagisca uschakovi.Individuals are usually covered almost entirely by elytra, which can be shed and regenerated in many species.
Several species of marine worms are found in the Southern Ocean, including Parborlasia corrugatus and Eulagisca gigantea, which at lengths up to 2 m (6.6 ft) and 20 cm (8 in) respectively are examples of Polar gigantism. [56] [57] Like several other marine species of the region, Antarctic sponges are long-lived.
Eulagisca corrientis is a scale worm known from the subantarctic Heard Island and Kerguelen Island and the Ross Sea in Antarctica, at depths of about 200–1000m. [2]
Epipactis gigantea, the stream orchid or giant helleborine, an orchid species; Edwardsina gigantea, the giant torrent midge, a fly species endemic to Australia; Eulagisca gigantea a not so giant ocean worm that lives in the depths of the antarctic and Southern oceans
Eulagisca puschkini. Averincev, 1972 [1] Eulagisca puschkini is a scale worm that is only known from a single specimen collected at a depth of 32m by a SCUBA diver in ...