Astropecten americanus Ceramaster granularis Crossaster papposus Diplopteraster multipes Gorgonocephalus arcticus Gorgonocephalus eucnemis Gorgonocephalus lamarckii Hippasteria phrygiana Leptasterias austera Leptasterias groenlandica Leptasterias (Hexasterias) polaris Leptasterias tenera Leptychaster arcticus Mediaster bairdi Novodinia americana Ophiacantha bidentata Ophiocten gracilis Ophiomusa lymani Ophiopholis aculeata Ophiura robusta Ophiura sarsii Pedicellaster typicus Pontaster tenuispinus Porania (Porania) pulvillus Poraniomorpha (Poraniomorpha) hispida Pseudarchaster parelii Psilaster andromeda Pteraster militaris Pteraster obscurus Pteraster pulvillus Solaster endeca Solaster syrtensis Stegophiura nodosa Stephanasterias albula Tremaster mirabilis Urasterias lincki