WoRMS name details
Hyocrinus giganteus Roux & Pawson, 1999
828445 (urn:lsid:marinespecies.org:taxname:828445)
unaccepted (basionym)
Species
marine, brackish, fresh, terrestrial
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. <i>Pacific Science</i> 53(3):289-298. [details] Available for editors 
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Distribution Horizon Seamount, N Pacific Ocean; ~1830 m.
Distribution Horizon Seamount, N Pacific Ocean; ~1830 m. [details]
WoRMS (2024). Hyocrinus giganteus Roux & Pawson, 1999. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=828445 on 2024-04-19
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original description
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. <i>Pacific Science</i> 53(3):289-298. [details] Available for editors [request]
source of synonymy Roux, M. and Messing, C.G. (2017). Stalked crinoids collected off California with descriptions of three new genera and two new species of Hyocrinidae (Echinodermata). <em>Pacific Science 71(3):329-365.</em> , available online at https://doi.org/10.2984/71.3.7 [details]
[request] source of synonymy Roux, M. and Messing, C.G. (2017). Stalked crinoids collected off California with descriptions of three new genera and two new species of Hyocrinidae (Echinodermata). <em>Pacific Science 71(3):329-365.</em> , available online at https://doi.org/10.2984/71.3.7 [details]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Very large Hyocrinus species with stalk ~1 m long.; tegmen well developed and inflated; aboral cup with broad radially placed ribs in line with arm axes; more than 45 pinnules on each arm; first pinnule at IBr6; arm pattern with sequences of two brachials united by synostosis. [details]Distribution Horizon Seamount, N Pacific Ocean; ~1830 m. [details]
