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Schizaster diabloensis

Echinoidea - Spatangoida - Schizasteridae

Taxonomy
Schizaster diabloensis was named by Kew (1920). Its type specimen is UCMP 11387 and is a 3D body fossil.

Sister species lacking formal opinion data
S. ameghinoi, S. batheri, S. gaudryi, S. major, S. symmetricus

Synonymy list
YearName and author
1920Schizaster diabloensis Kew pp. 150 - 151 figs. Plate 41, figures 5a, 5b, 5c
1927Schizaster diabloensis Clark and Woodford p. 123 figs. Pl 22, fig 14
1938Schizaster diabloensis Grant and Hertlein p. 120
1984Schizaster diabloensis Squires p. 56 figs. Figure 13d
1999Schizaster diabloensis Squires p. 29 figs. Figure 68

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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
speciesdiabloensis

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: Aberhan 1992, Kiessling 2004

Age range: base of the Ypresian to the top of the Bartonian or 56.00000 to 38.00000 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Ypresian56.0 - 47.8USA (California) Schizaster diabloensis (52419)
Ypresian56.0 - 47.8USA (Oregon) Schizaster diabloensis (52272)
Lutetian47.8 - 41.3USA (California) Schizaster diabloensis (8012 8015 201258 201691)
Middle Eocene47.8 - 37.71USA (California) Schizaster diabloensis (202076)
Bartonian41.3 - 38.0USA (California) Schizaster diabloensis (122295)