The scale worms have been believed to be descendants of a different species that invaded the deep-sea … See more

The Polynoidae family has been found in intertidal waters to the deep sea. They have also been found in chemosynthesis-based habitats, like hydrothermal vents, anchialine caves, cold seeps, and more. To survive in these extre… See more

Polynoidae is a monophyletic group and within it, there are paraphyletic groups. The family Polynoidae is the most species-rich family of the scale worms, ranging from bioluminescence worms to transparent worms. Th… See more

Eulagisca gigantea is one of the largest scale worms getting up to 20 centimeters in size. The scale worms are characterized by their body segment amount. They can get up to 40 segments with around 15 pairs of elytra on e… See more

Like most Annelids, the family Polynoidae goes through indirect development with a trochophore larvae. The larvae of the Polynoidae differs from regular trochophore larvae because it lacks the metatroch and food grove… See more

Most scale worms are known to have different sexes seen through different number of nephridial papillae. While they do have separate sexes, sometimes hermaphroditism does occur. The structures … See more

• Pettibone, M. H. (1997). "Revision of the scaleworm genus Eulagisca Mcintosh (Polychaeta: Polynoidae) with the erection of the subfamily Eulagiscinae and the new genus Pareulagisca". Proceedings of the Biological … See more