WoRMS taxon details

Aporometridae HL Clark, 1938

246670  (urn:lsid:marinespecies.org:taxname:246670)

accepted
Family
marine
Clark, H.L. (1938). Echinoderms from Australia, an account of collections made in 1929 and 1932. <em>Memoirs of the Museum of Comparative Zoöology at Harvard College.</em> 55: 1-597, 28 pls., available online at http://www.biodiversitylibrary.org/item/25703#page/11/mode/1up [details]   
Messing, C. (2019). World List of Crinoidea. Aporometridae HL Clark, 1938. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=246670 on 2019-09-20
Date
action
by
2007-10-10 10:48:29Z
created
2010-08-03 07:03:17Z
changed
2011-02-23 10:48:32Z
changed
2012-10-24 00:54:53Z
changed

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original description Clark, H.L. (1938). Echinoderms from Australia, an account of collections made in 1929 and 1932. <em>Memoirs of the Museum of Comparative Zoöology at Harvard College.</em> 55: 1-597, 28 pls., available online at http://www.biodiversitylibrary.org/item/25703#page/11/mode/1up [details]   

basis of record 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 Rowe, F. W. E.; Gates, J. (1995). Echinodermata. <em>In ‘Zoological Catalogue of Australia'.</em> 33 (Ed A. Wells.) pp xiii + 510 (CSIRO Australia, Melbourne). [details]   
From editor or global species database
Diagnosis Small Notocrinoidea with centrodorsal low rounded to almost conical; aboral apex more or less flattened, rugose. Adoral side of centrodorsal with shallow radial pits. Aboral half of centrodorsal cavity filled with spongy stereom; no aboral pit or dorsal star. Cirrus sockets with indistinct sculpturing or with articular tubercles, but no marginal crenulae, in 10 columns of 1-4 sockets. Cirrals smooth, no aboral spines; distal cirrals flattened aborally-adorally. Rod-shaped basals exposed interradially or concealed. No subradial cleft. Radials with low exposed surface. Radial articular facet low and wide, angularly bent at fulcral ridge; low aboral ligament fossa almost parallel to oral-aboral axis; small interarticular ligament fossa and adoral muscle fossae almost at right angle to oral-aboral axis. Radial cavity moderate, without central plug. Syzygy between brachials 3-4 and 7-8 and distal generally at interval of 2. No distinct ambulacral covering plates, Viviparous; pinnules bear gonads and marsupia. Different larval stages carried in and on pinnules.
 [details]