Abstract

A few specimens belonging to the deep-sea family Hyocrinidae (stalked Crinoidea, Echinodermata) collected by submersible in the eastern and western Pacific Ocean are described. Laubiericrinus pentagonalis, n. genus, n. sp., from the North Fiji Rise is the first discovery of a hyocrinid crinoid with a pentaradially symmetrical stalk. Hyocrinus biscoitoi, n. sp., from the East Pacific Rise attains large size and has close affinities with H. giganteus from Horizon Seamount. Additional information is given concerning H. foelli found near cold seeps on the Mexican continental margin; H. cyanae, previously collected on New Caledonian slopes; and Calamocrinus diomedae from the Cocos Ridge and Galapagos slopes. For the latter, the first young specimens known document ontogenetic trends in this famous species.

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Additional Information

ISSN
1534-6188
Print ISSN
0030-8870
Pages
pp. 597-613
Launched on MUSE
2004-08-26
Open Access
No
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