WoRMS taxon details

Orchistoma Haeckel, 1879

117176  (urn:lsid:marinespecies.org:taxname:117176)

accepted
Genus
Mesonema pileus Lesson, 1843 accepted as Orchistoma pileus (Lesson, 1843) (type by subsequent designation)
marine, brackish, fresh, terrestrial
recent only
Haeckel E. (1879). Das System der Medusen. Erster Teil einer Monographie der Medusen. <em>Denkschriften der Medicinisch-Naturwissenschaftlichen Gesellschaft zu Jena.</em> 1: XX+1-360, 320 plates., available online at http://www.biodiversitylibrary.org/item/101461#page/9/mode/1up
page(s): 138 [details]   
Schuchert, P. (2018). World Hydrozoa Database. Orchistoma Haeckel, 1879. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=117176 on 2018-12-12
Date
action
by
2004-12-21 15:54:05Z
created
2006-09-26 06:56:50Z
changed
Martinez, Olga
2011-03-11 07:10:22Z
checked
2016-03-11 07:17:01Z
changed

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original description Haeckel E. (1879). Das System der Medusen. Erster Teil einer Monographie der Medusen. <em>Denkschriften der Medicinisch-Naturwissenschaftlichen Gesellschaft zu Jena.</em> 1: XX+1-360, 320 plates., available online at http://www.biodiversitylibrary.org/item/101461#page/9/mode/1up
page(s): 138 [details]   

original description  (ofTetracannota Mayer, 1900) Mayer, A. G. (1900b). Some medusae from the Tortugas, Florida. <em>Bulletin of the Museum of Comparative Zoology of Harvard.</em> 37: 13-82, pls 1-44., available online at http://www.biodiversitylibrary.org/item/25309#page/53/mode/1up
page(s): 46 [details]   

basis of record van der Land, J.; Vervoort, W.; Cairns, S.D.; Schuchert, P. (2001). Hydrozoa, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 112-120 (look up in IMIS[details]   
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
From editor or global species database
Diagnosis 
With the characteristics of the family.
Medusa with very short manubrium on large gastric peduncle; mouth with 8-30 sinuous or crenulated folds; eight or more radial canals, simple, ramified, or in clusters of four; up to 64 marginal tentacles, laterally compressed; no marginal cirri, but in intertentacular space filiform, tentaculiform structures devoid of marginal bulbs, not in contact with circular canal; gonads usually on proximal parts of radial canals; numerous (up to 800) adaxial ocelli; without statocysts, without cordyli, without excretory pores or papillae.
Hydroid phase unknown. [details]