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Pycinaster cornutus

Asteroidea - Valvatida - Pycinasteridae

Taxonomy
Pycinaster cornutus was named by Rasmussen (1945). It is not extant. Its type specimen is Geological Museum of Copenhagen.

Synonymy list
YearName and author
1945Pycinaster cornutus Rasmussen p. 423 figs. pl. 9 fig. 12-14
1950Pycinaster cornutus Rasmussen p. 76 figs. pl. 10 fig. 9
1979Pycinaster cornutus Rasmussen p. 70
2000Pycinaster cornutus Jagt p. 433 figs. pl. 22 fig. 14-16

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Asterozoa()
RankNameAuthor
classAsteroidea
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderValvatida
familyPycinasteridae()
genusPycinaster
speciescornutus

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Pycinaster cornutus Rasmussen 1945
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Diagnosis
ReferenceDiagnosis
H. W. Rasmussen 1950A Pycinaster whose tall marginals are broader above and have borne a single extraordinarily large spine which has been attached in a spine-pit which has covered all, or nearly all of the abactinal part of the ossicle.
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: slow-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 15:35:10
Modified: 2010-02-09 06:02:08
Source: c = class, p = phylum
References: Aberhan 1992, Aberhan et al. 2004
Collections
No collection or age range data are available