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Pygurus

Echinoidea - Clypeidae

Taxonomy
Pygurus was named by Agassiz (1839) [Sepkoski's age data: J Bajo K Sant Sepkoski's reference number: 956].

It was assigned to Cassidulidae by Clark and Twitchell (1915); to Clypeidae by Kier (1962), Kier (1966), Nisiyama (1968) and Larrain and Biró-Bagóczky (1985); and to Cassiduloida by Sepkoski (2002).

Synonyms
Synonymy list
YearName and author
1839Pygurus Agassiz p. 68
1856Echinopygus d'Orbigny
1915Pygurus Clark and Twitchell p. 34
1962Pygurus Kier p. 41
1966Pygurus Kier p. U499
1968Pygurus Nisiyama p. 4
1985Pygurus Larrain and Biró-Bagóczky p. 1410
2002Pygurus Sepkoski

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

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. †Pygurus Agassiz 1839
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Subg. †Pygurus (Mepygurus) Pomel 1883
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Subg. †Pygurus (Pyguropsis) de Loriol 1902
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Subg. †Pygurus (Pygurus) Agassiz 1839
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Pygurus (Pygurus) andinus Larrain and Biró-Bagóczky 1985
Pygurus (Pygurus) lampas de la Beche 1833
Pygurus africanus de Loriol 1888
Pygurus asiaticus Tokunaga 1903
Pygurus complanatus Tanaka 1965
Invalid names: Echinopygus d'Orbigny 1856 [synonym]
Diagnosis
No diagnoses are available