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Pygospatangus (heart urchin)

Echinoidea - Spatangoida - Asterostomatidae

Taxonomy
Pygospatangus was named by Cotteau (1888) [Sepkoski's age data: T Eo-l T Eo-u Sepkoski's reference number: 942]. It is not extant.

It was assigned to Asterostomatidae by Fischer (1966); and to Spatangoida by Sepkoski (2002).

Synonymy list
YearName and author
1888Pygospatangus Cotteau p. 977
1966Pygospatangus Fischer p. U625
2002Pygospatangus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEchinozoa
classEchinoidea()
subclassEuechinoideaBronn 1860
RankNameAuthor
infraclassAcroechinoidea()
Carinacea
Irregularia()
Atelostomata
orderSpatangoida
suborderBrissidina
familyAsterostomatidae
genusPygospatangusCotteau 1888

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.

Diagnosis
No diagnoses are available