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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) and Kier (1966); and to Cassiduloida by Smith (1995) and Sepkoski (2002).

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
Measurements
No measurements are available
Composition: high Mg calciteo
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: slow-movingo
Life habit: semi-infaunalo
Diet: detritivoreo
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 17:48:53
Modified: 2009-10-08 14:57:31
Source: o = order, c = class, p = phylum
References: Aberhan 1992, Kiessling 2004, Aberhan et al. 2004

Age range: Late/Upper Campanian or 83.50000 to 70.60000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Campanian83.6 - 72.1Guatemala (Peten) P. pasionensis (78121)
Campanian - Maastrichtian83.6 - 66.0Oman P. sp. (151655)
Late/Upper Campanian83.5 - 70.6USA (Delaware) Clypeaster geometricus (78138) P. geometricum (78120)
Late/Upper Campanian83.5 - 70.6Oman P. sp. (67455)
Late/Upper Campanian - Maastrichtian83.5 - 66.0United Arab Emirates P. sp. (67456)
Maastrichtian72.1 - 66.0Oman P. sp. (151619 151654 151656)