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Pseudananchys stephensoni

Echinoidea - Holasteroida - Holasteridae

Taxonomy
Pseudananchys stephensoni was named by Cooke (1953). Its type specimen is USNM 108387 and is a 3D body fossil. Its type locality is USGS 3197, Waco-Gholson road, which is in a Santonian carbonate marl in the Austin Chalk Formation of Texas.

Synonymy list
YearName and author
1953Pseudananchys stephensoni Cooke p. 26 figs. Pl 9, figs 6-9

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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
genusPseudananchys
speciesstephensoni

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