original description
John, D. D. (1938). Crinoidea. <em>Discovery Reports.</em> 18: 121-222, pl. 3-6. Cambridge. [details]
context source (Deepsea)
Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [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 
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
Inaccurate
Introduced: alien
Containing type locality
From editor or global species database
To NMNH Extant Collection (Isometra hordea 1116358)
Hosted externally
To NMNH Extant Collection (Isometra hordea John, USNM 1126472, lateral)
Hosted externally
Isometra hordea John, 1938
Isometra hordea John, 1938
Isometra hordea John, 1938
Isometra hordea John, 1938
Isometra hordea John, 1938
Isometra hordea John, 1938
Isometra hordea John, 1938
Isometra hordea John, 1938