Phylum Echinodermata
SubPhylum Pelmatozoa
Class Crinoidea
Order Millericrinida
Family Phrynocrinidae
Naumachocrinus Clark, 1912
Naumachocrinus
hawaiiensis Clark, 1912
Order Comatulida
Family Mariametridae Clark, 1908
Lamprometra Clark, 1913
Lamprometra palmata
palmata Muller, 1841
Family Charitometridae Clark, 1909
Glyptometra Clark, 1909
Glyptometra
lateralis (Clark, 1908)
Family Thalassometridae Clark, 1908
Cosmiometra Clark, 1909
Cosmiometra
crassicirra (Clark, 1908)
Cosmiometra
delicata (Clark, 1908)
Oceanometra Clark, 1916
Oceanometra
gigantea (Clark, 1908)
Parametra Clark, 1909
Parametra fisheri (Clark, 1908)
Stiremetra Clark, 1909
Stiremetra decora Clark, 1950
Thalassometra Clark, 1907
Thalassometra hawaiiensis (Clark, 1908)
Family Antedonidae Norman, 1865
Argyrometra Clark, 1917
Argyrometra crispa (Clark, 1908)
Bathymetra Clark, 1908
Bathymetra
abyssicola (Carpenter, 1888)
Psathyrometra Clark, 1907
Psathyrometra
congesta Clark, 1908
Sarametra Clark, 1917
Sarametra
triserialis (Clark, 1908)
Trichometra Clark, 1908
Trichometra vexator Clark, 1908
Family Atelecrinidae Bather, 1899
Atelecrinus Carpenter, 1881
Atelecrinus conifer Clark, 1908
Family Pentametrocrinidae Clark, 1908
Thaumatocrinus Carpenter, 1883
Thaumatocrinus
rugosus (Clark, 1908)