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Cardiaster curtus

Echinoidea - Holasteroida - Holasteridae

Taxonomy
Cardiaster curtus was named by Clark and Twitchell (1915). Its type specimen is USNM 31201 and is a 3D body fossil. Its type locality is 25 miles SW of Mingusville, which is in a Campanian marine shale in the Pierre Shale Formation of Montana.

Sister species lacking formal opinion data
C. cordiformis

Synonymy list
YearName and author
1915Cardiaster curtus Clark and Twitchell p. 84 figs. Plate XXXVII, Figs. 1a-h
1953Cardiaster curtus Cooke p. 28 figs. Pl 11, fig 14

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Echinozoa()
classEchinoidea()
subclassEuechinoideaBronn 1860
RankNameAuthor
superorderAcroechinoidea()
—Carinacea
—Irregularia()
—Atelostomata
orderHolasteroida
suborderMeridosternata
familyHolasteridae
genusCardiasterForbes 1850
speciescurtus

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.

†Cardiaster curtus Clark and Twitchell 1915
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Diagnosis
No diagnoses are available