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Pygurostoma

Echinoidea - Cassiduloida

Taxonomy
Pygurostoma was named by Cotteau and Gauthier (1895) [Sepkoski's age data: K Coni K Maes-u Sepkoski's reference number: 942,997].

It was assigned to Faujasiidae by Kier (1962), Kier (1966); and to Cassiduloida by Smith (1995), Sepkoski (2002).

Entered
by J. Sepkoski on 2003-01-23; modified by M. Uhen on 2019-12-12

Synonymy list
YearName and author
1895Pygurostoma Cotteau and Gauthier p. 51
1962Pygurostoma Kier p. 134
1966Pygurostoma Kier p. U513
1995Pygurostoma Smith p. 199
2002Pygurostoma Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Echinozoa()
classEchinoidea()
RankNameAuthor
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
Carinacea
Irregularia()
Microstomata
Neognathostomata
orderCassiduloida
genusPygurostoma

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.

G. †Pygurostoma Cotteau and Gauthier 1895
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Pygurostoma geometricum Morton 1833
Pygurostoma morgani Cotteau and Gauthier 1895
Pygurostoma pasionense Cooke 1949
Diagnosis
No diagnoses are available