Amphipholis squamata Amphiura (Amphiura) grandisquama Amphiura fragilis Amphiura otteri Arbacia punctulata Asterias forbesi Astrochele lymani Astropecten americanus Brisaster fragilis Caudina arenata Ceramaster granularis Chondraster grandis Crossaster papposus Cucumaria frondosa Cucumaria parassimilis Diplopteraster multipes Echinarachnius parma Ekmania barthii Encope emarginata Gorgonocephalus arcticus Gorgonocephalus eucnemis Gorgonocephalus lamarckii Gracilechinus affinis Havelockia scabra Hedingia albicans Heliometra glacialis Hippasteria phrygiana Leptasterias compta Leptasterias groenlandica Leptasterias (Hexasterias) polaris Leptasterias hispidella Leptasterias tenera Leptychaster arcticus Mediaster bairdi Molpadia parva Myriotrochus rinkii Novodinia americana Ocnus planci Ophiacantha abyssicola Ophiacantha anomala Ophiacantha bidentata Ophiacantha spectabilis Ophiocten gracilis Ophiomusa lymani Ophiopholis aculeata Ophioplinthus confragosa Ophioscolex glacialis Ophiura ljungmani Ophiura robusta Ophiura sarsii Pectinaster filholi Pentamera calcigera Phormosoma placenta Plutonaster agassizi Pontaster tenuispinus Porania (Porania) pulvillus Poraniomorpha (Poraniomorpha) hispida Pseudarchaster parelii Psilaster andromeda Psolus fabricii Psolus phantapus Psolus squamatus Pteraster militaris Pteraster pulvillus Sclerasterias tanneri Solaster earlli Solaster endeca Solaster regularis Solaster syrtensis Stegophiura nodosa Stephanasterias albula Stereoderma unisemita Strongylocentrotus droebachiensis Thyone fusus Thyonella pervicax Thyonidium drummondii Tremaster mirabilis Trichometra cubensis Urasterias lincki