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Title: Two New Pacific Ocean Species of Hyocrinid Crinoids (Echinodermata), with Comments on Presumed Giant-Dwarf Gradients Related to Seamounts and Abyssal Plains 
Author: Roux, Michel; Pawson, David L.
Date: 1999-07
Publisher: University of Hawai'i Press
Citation: Roux M, Pawson DL. 1999. Two new Pacific Ocean species of hyocrinid crinoids (Echinodermata), with comments on presumed giant-dwarf gradients related to seamounts and abyssal plains. Pac Sci 53(3): 289-298.
Abstract: Hyocrinus foelli, n. sp. is a small hyocrinid sea lily from the abyssal
ferromanganese nodule fields of the North Pacific Ocean. Hyocrinus giganteus,
n. sp. is a very large hyocrinid from Horizon Seamount in the eastern Pacific
that shows close affinities to H. cyanae from the western Pacific, off New
Caledonia. A possible giant-dwarf heterochronic gradient, related to scarcity of
food supply in abyssal plains and its abundance in seamount environments, is
ISSN: 0030-8870

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