Benthopectinidae
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Benthopectinidae is a family of sea stars containing at least 75 species in eight genera. It is the only family in the monotypic order Notomyotida.
These asteroids are deep-sea dwelling and have flexible arms. The inner dorso-lateral surface of the arms contain characteristic longitudinal muscle bands. Eight genera of deep-water species make up the majority of the family benthopectinidae, and many of its members are expected to have a greater range than is currently recognized.
Taxonomy
Nine genera are recognized:
- AcontiasterDöderlein, 1921
- BenthopectenVerrill, 1884
- CheirasterStuder, 1883
- GaussasterLudwig, 1910
- MyonotusFisher, 1911
- NearchasterFisher, 1911
- PectinasterPerrier, 1885
- † Plesiastropecten Peyer, 1944
- PontasterSladen, 1885