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WoRMS taxon details

Democrinus Perrier, 1883 
AphiaID: 123344

Classification: Biota > Animalia (Kingdom) > Echinodermata (Phylum) > Crinozoa (Subphylum) > Crinoidea (Class) > Articulata (Subclass) > Comatulida (Order) > Bourgueticrinina (Suborder) > Bourgueticrinidae (Family)
Status accepted
Record
status		 Checked by Taxonomic Editor
Rank Genus
Parent Bourgueticrinidae Loriol, 1882
Synonymised
taxa		  Bythocrinus (Döderlein, 1912) (synonym)
 Rhizocrinus (Bythocrinus) Döderlein, 1912 (synonym)
Sources  original description: Perrier E (1883) Sur un nouveau Crinoïde fixé, le Democrinus Parfaiti, provenant des dragages du Travailleur. Comptes Rendus Académie des Sciences Paris 96:450–452. [details]

basis of record: Hess H (2011) Bourgueticrinina. In: Hess H, Messing CG, Ausich WI (Eds.), Treatise on Invertebrate Paleontology, Part T, Echinodermata 2 Revised, Crinoidea, vol. 3. University of Kansas Press, Lawrence, Kansas, pp. 146–158. [details]

additional source: Mortensen, Th. (1977). Handbook of the echinoderms of the British Isles. Reprinted ed. W. Backhuys: Rotterdam, The Netherlands. ISBN 90-6279-004-6. ix, 471 pp. (look up in IMIS) [details]

additional source: Hansson, H.G. (2001). Echinodermata, in: Costello, M.J. et al. (Ed.) (2001). 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, 50: pp. 336-351 (look up in IMIS) [details]

additional source: Nomenclator Zoologicus, available online at http://uio.mbl.edu/NomenclatorZoologicus/ [details]

additional source: Améziane, N. (2009). Crinoidea (Echinodermata). In: Gordon, D. (Ed.) (2009). New Zealand Inventory of Biodiversity. Volume One: Kingdom Animalia. 584 pp [details]

from synonym: Gislén T (1927) Papers from Dr. Th. Mortensen’s Pacific Expedition 1914–16. 37. Japanese crinoids. Videnskabelige Meddelelser frå Dansk Naturhistorisk Forening i København 83:1–69, fig. 1–80, pl. 1–2. [details] [view taxon]

from synonym: Gislén T (1938) A revision of the recent Bathycrinidae. Lunds Universitets Årsskrift (new series, part 2) 34(10):1–30, 18 fig. [details] [view taxon]

from synonym: Clark AH (1917) A revision of the recent genera of the crinoid family Bourgueticrinidae with the description of a new genus. Journal of the Washington Academy of Science 7: 388–392. [details] [view taxon]

from synonym: Döderlein L (1912) Die gestielten Crinoiden der deutschen Tiefsee-Expedition. Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition “Valdivia” 1898–1899 17(1)1–34, fig. 1–9, pl. 1–12, Gustav Fischer, Jena. [details] [view taxon]

Direct child
taxa
[show all]		 Species Democrinus aoteanus McKnight, 1973
Species Democrinus brevis (AH Clark, 1909)
Species Democrinus chuni (Döderlein, 1907)
Species Democrinus conifer (AH Clark, 1909)
Species Democrinus globularis Gislén, 1925
Species Democrinus japonicus (Gislén, 1927)
Species Democrinus nodipes (Döderlein, 1907)
Species Democrinus parfaiti Perrier, 1883
Species Democrinus rawsonii (Pourtalès, 1874)
Species Democrinus weberi (Döderlein, 1907)

Species Democrinus braueri (Döderlein, 1912) accepted as Democrinus chuni (Döderlein, 1907)
Species Democrinus poculum (Döderlein, 1907) accepted as Conocrinus poculum (Döderlein, 1907)
Species Democrinus robustus AH Clark, 1909 accepted as Democrinus conifer (AH Clark, 1909)
Species Democrinus sabae (AH Clark, 1909) accepted as Democrinus rawsonii (Pourtalès, 1874)
Environment marine
Links To GenBank
To ITIS
Note  Diagnosis: Bourgueticrinidae with cup of 5 high, slender basals and 5 much shorter radials surrounding narrow central canal. Sutures between basals and radials distinct, irregular, or hardly visible. Radial articular facet large. Articulation of basal circlet with top of column smooth and circular, with diameter corresponding to base of cup. Growth of cup mainly affects basal circlet, with height increasing more than width, so that mature specimens become more slender and cylindrical. Interradial nerve canal extending from basals in sutures between radials before dividing. Every second brachial articulation synostosial, synarthrial, or trifascial. Synostosial articulations may be modified, with short, median ridge from axial canal to aboral edge of proximal articular facet fitting into a furrow in distal facet of preceding brachial. Proximale not developed in adults. A few (generally <6) low proximal columnals have synostosial articulations. More distal columnals resemble those of Bathycrinidae. [details]
LSID urn:lsid:marinespecies.org:taxname:123344
Taxonomic
Edit history		 
Date   action   by
2004-12-21 15:54:05Z  created  Hansson, Hans
  
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  Citation: Hansson, H. (2013). Democrinus Perrier, 1883. In: Messing, C. (2013) World List of Crinoidea. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=123344 on 2013-05-21
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