Amphilepidida is an order of

echinoderms An echinoderm () is any member of the phylum Echinodermata (). The adults are recognisable by their (usually five-point) radial symmetry, and include starfish, brittle stars, sea urchins, sand dollars, and sea cucumbers, as well as the ...

belonging to the class

Ophiuroidea Brittle stars, serpent stars, or ophiuroids (; ; referring to the serpent-like arms of the brittle star) are echinoderms in the class Ophiuroidea, closely related to starfish. They crawl across the sea floor using their flexible arms for locomo ...

. Families: *

Amphilepididae Amphilepididae are a small family of brittle stars of the suborder Gnathophiurina. It contains two genera, ''Amphicutis'' and ''Amphilepis'' http://www.marinespecies.org/aphia.php?p=taxdetails&id=123608 MarineSpecies.org - Amphilepididae *''Amphi ...

Amphilimnidae Amphilimnidae is a family of echinoderms belonging to the order Amphilepidida Amphilepidida is an order of echinoderms belonging to the class Ophiuroidea Brittle stars, serpent stars, or ophiuroids (; ; referring to the serpent-like arms of ...

Amphiuridae Amphiuridae (commonly called long-armed burrowing brittle stars or burrowing brittle stars) are a large family of brittle stars of the suborder Gnathophiurina. Some species are used to study echinoderm development (e.g. '' Amphipholis kochii'' an ...

Hemieuryalidae Hemieuryalidae is a family of echinoderms belonging to the order Amphilepidida Amphilepidida is an order of echinoderms belonging to the class Ophiuroidea Brittle stars, serpent stars, or ophiuroids (; ; referring to the serpent-like arms o ...

Ophiactidae Ophiactidae are a family of brittle stars. Genera The following genera are recognised by the World Register of Marine Species : *'' Hemipholis'' Lyman, 1865 *'' Histampica'' A.M. Clark, 1970 *''Ophiactis'' Lütken, 1856 *''Ophiopholis ''Ophio ...

Ophiolepididae Ophiolepididae are a family of brittle stars of the suborder Ophiurina. It includes both deep-sea and shallow-water species. Systematics and phylogeny The fossils of Ophiolepididae date back to the Anisian age of the Middle Triassic. The family ...

Ophionereididae Ophionereididae are a family of brittle stars. Systematics Ophionereididae has been placed (along with Ophiocomidae) to the superfamily Ophiocomidea and infraorder Chilophiurina or suborder Chilophiurina in different classifications. Ophioner ...

* Ophiopholidae * Ophiopsilidae * Ophiothamnidae *

Ophiotrichidae Ophiotrichidae are a family of ophiurid brittle stars within the suborder Gnathophiurina. All have arms with delicate translucent, thorny spines. The arms are flexible in all directions. The jaws contain clusters of well-developed tooth papilla ...

References

Ophiuroidea Echinoderm orders {{ophiuroidea-stub