A Monograph of the Existing Crinoids

A. H. Clark Albatross station Amboina Amphimetra Antedon areola arms Aru Islands Australia basal Biol brachials 3+4 broad as long broader than long carinate centrodorsal Ceylon Challenger Reports cirri cirrus segments cirrus sockets Coll Comatula comatulids crinoids developed Dichrometra discoidal disk distal distal ends distal pinnules division series dorsal dorsal pole dorsal spines Eudiocrinus genus Gislén Hartlaub Himerometra IBr axillary IIBr series IIIBr Indian Ocean IVBr Kei Islands Lamprometra lateral length long as broad longer than broad lower pinnules Macclesfield Bank Mariametridae Mergui Archipelago meters milberti muscular articulations Museum opposing spine ossicles outer P. H. Carpenter P₁ P₂ palmata Philippines pinnular postradial series Proc proximal pinnules radials septa Siboga station side Singapore slender Smithsonian Misc species Stephanometra stout stouter synarthrial tubercles synonymy syzygy tapering twice as broad twice as long type specimen U. S. Nat Unstalked crinoids usually wedge-shaped Willebrord Snellius Zool Zygometra