Amphipholis squamata Amphiura otteri Arbacia punctulata Asterias forbesi Astrochele lymani Astropecten americanus Brisaster fragilis Caudina arenata Ceramaster granularis Crossaster papposus Cucumaria frondosa Diplopteraster multipes Echinarachnius parma Ekmania barthii Encope emarginata Gorgonocephalus arcticus Gorgonocephalus eucnemis Gorgonocephalus lamarckii Gracilechinus affinis Havelockia scabra Heliometra glacialis Hippasteria phrygiana Leptasterias compta Leptasterias groenlandica Leptasterias (Hexasterias) polaris Leptasterias tenera Leptychaster arcticus Mediaster bairdi Ocnus planci Ophiacantha abyssicola Ophiacantha bidentata Ophiacantha spectabilis Ophiocten gracilis Ophiomusa lymani Ophiopholis aculeata Ophioscolex glacialis Ophiura ljungmani Ophiura robusta Ophiura sarsii Pentamera calcigera 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 endeca Solaster syrtensis Stegophiura nodosa Stephanasterias albula Stereoderma unisemita Strongylocentrotus droebachiensis Thyonidium drummondii Tremaster mirabilis Trichometra cubensis Urasterias lincki