WoRMS taxon details
Isometra hordea John, 1938
173821 (urn:lsid:marinespecies.org:taxname:173821)
accepted
Species
marine, brackish, fresh, terrestrial
John, D. D. (1938). Crinoidea. <em>Discovery Reports.</em> 18: 121-222, pl. 3-6. Cambridge. [details]
Distribution Geographic range : Off Clarence Island and the South Shetland Islands;
Depth range : 17-490 (?610) m
Depth range : 17-490 (?610) m
Distribution Geographic range : Off Clarence Island and the South Shetland Islands;
Depth range : 17-490 (?610) m [details]
Depth range : 17-490 (?610) m [details]
Messing, C.; Gondim, A.I.; Markello, K.; Poatskievick Pierezan, B.; Taylor, K.; Eléaume, M. (2025). World List of Crinoidea. Isometra hordea John, 1938. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=173821 on 2025-07-14
Date
action
by
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Nomenclature
original description
John, D. D. (1938). Crinoidea. <em>Discovery Reports.</em> 18: 121-222, pl. 3-6. Cambridge. [details]
basis of record Clarke, Andrew; Johnston, Nadine M. (2003). Antarctic marine benthic diversity. <em>Oceanography and Marine Biology: an Annual Review.</em> 41: 47-114. (look up in IMIS) [details] Available for editors
[request]
basis of record Clarke, Andrew; Johnston, Nadine M. (2003). Antarctic marine benthic diversity. <em>Oceanography and Marine Biology: an Annual Review.</em> 41: 47-114. (look up in IMIS) [details] Available for editors
[request]Other
context source (Deepsea)
Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [details]
additional source Check list of Antarctic and Subantarctic Crinoidea by Marc Eleaume. (look up in IMIS) [details]
additional source Clark, A. H., Clark, A. M. (1967). A monograph of the existing crinoids. <em>Bulletin of the United States National Museum.</em> (82): 1-860. [details]
additional source Check list of Antarctic and Subantarctic Crinoidea by Marc Eleaume. (look up in IMIS) [details]
additional source Clark, A. H., Clark, A. M. (1967). A monograph of the existing crinoids. <em>Bulletin of the United States National Museum.</em> (82): 1-860. [details]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
Syntype BMNH (Discovery Investigations sta. 170) [details]
From editor or global species database
Diagnosis A species of Isometra in which the cirri are XL-LXII, 25-75; the first two pinnules are relatively small, especially P1, which does not exceed 5 mm. in length; the first genital pinnule is usually P5; in the female the third to seventh segments of the genital pinnules are usually expanded; this is a very large spcies with the length from the proximal edge of the IBr1, to the second syzgy at 9+10 up to 17mm. (In other species it does not appear to exceed 12 mm.) [details]Distribution Geographic range : Off Clarence Island and the South Shetland Islands;
Depth range : 17-490 (?610) m [details]
