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Schizaster cordiformis

Echinoidea - Spatangoida - Schizasteridae

Taxonomy
Schizaster cordiformis was named by Kew (1920). Its type specimen is UCMP 11388 and is a 3D body fossil.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1920Schizaster cordiformis Kew pp. 149 - 150 figs. Plate 42, figures 1a, 1b, 1c, 1d
1938Schizaster cordiformis Grant and Hertlein p. 120

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Echinozoa()
classEchinoidea()
subclassEuechinoideaBronn 1860
RankNameAuthor
superorderAcroechinoidea()
Carinacea
Irregularia()
Atelostomata
orderSpatangoida
suborderPaleopneustina
familySchizasteridae()
genusSchizasterAgassiz 1835
speciescordiformis

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calciteo
Ontogeny: accretion, addition of partsp
Environment: marineo
Locomotion: slow-movingo
Life habit: shallow infaunalo
Diet: deposit feedero
Diet 2: detritivoreo
Vision: limitedc
Dispersal: watero
Dispersal 2: planktonico
Created: 2004-02-28 12:18:10
Modified: 2009-10-08 16:32:56
Source: o = order, c = class, p = phylum
References: Kiessling 2004, Aberhan 1992

Age range: Ypresian or 56.00000 to 48.07000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Ypresian56.0 - 48.07USA (California) Schizaster cordiformis (52421)