ORDER I.--CRINOIDEA MILL.
_Pentacrinus,_ _Alecto Eschrichtii_ M. & T. _Alecto meridionalis_ AG.
ORDER II.--OPHIURIDEA FORBES.
_Amphiura squamata_ SARS. _Ophiopholis bellis_ LYM. _Astrophyton Agassizii_ STIMP.
ORDER III.--ASTERIDEA FORBES.
_Ctenodiscus crispatus_ D. & K. _Hippasteria phrygiana_ AG. _Cribrella oculata_ FORBES. _Solaster endeca_ FORBES. _Crossaster papposa_ M. & T.
_Astracanthion pallidus_ AG. _Astracanthion berylinus_ AG.
ORDER IV.--ECHINIDEA LAM.
_Toxopneustes drobachiensis_ AG. _Echinarachnius parma_ GRAY.
ORDER V.--HOLOTHURIDEA BRANDT.
_Caudina arenata_ STIMP. _Synapta tenuis_ AYRES. _Cuvieria squamata_ D.
& K. _Pentacta frondosa_ JaG.