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Pygaster

Echinoidea - Pygasteridae

Taxonomy
Pygaster is a genus. It is not extant. It is the type genus of Pygasteridae.

It was assigned to Pygasteridae by Fell (1966); and to Pygasteroida by Sepkoski (2002).

Synonymy list
YearName and author
1966Pygaster Fell p. U365
2002Pygaster Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Echinozoa()
RankNameAuthor
classEchinoidea()
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
—Carinacea
—Irregularia()
familyPygasteridae
genusPygaster

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. †Pygaster
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†Pygaster umbrella Lamarck 1816
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Invalid names: Pygaster welschi Gauthier 1889 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: actively mobilec
Life habit: epifaunalc
Diet: grazerc
Diet 2: deposit feederc
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 12:05:24
Modified: 2010-02-12 04:00:29
Source: c = class, p = phylum
References: Aberhan 1992, Kiessling 2004

Age range: base of the Callovian to the top of the Early/Lower Cenomanian or 165.30000 to 93.90000 Ma

Collections (15 total)


Time interval Ma Country or state Original ID and collection number
Callovian165.3 - 161.5Madagascar P. umbrella (98195)
Early/Lower Callovian165.3 - 161.5Madagascar P. joleaudi (98096)
Late/Upper Oxfordian157.9 - 154.8United Kingdom (England) P. semisulcatus (5937) P. sp. (4098)
Kimmeridgian154.8 - 149.2Poland (Wierzbica) P. tenuis (157220)
Kimmeridgian154.8 - 149.2Poland (Sulejow) P. morrisi (157209)
Kimmeridgian154.8 - 149.2Poland (Malogoszcz) P. morrisi, P. tenuis (157213)
Kimmeridgian154.8 - 149.2Poland (Korytnica) P. morrisi, P. tenuis (157217)
Kimmeridgian154.8 - 149.2Poland (Sobkow) P. morrisi (157214)
Late/Upper Kimmeridgian152.21 - 149.2Germany (Bayern) P. sp. (59175)
Early/Lower Cenomanian100.5 - 93.9France P. truncatus (59817)
Early/Lower Cenomanian100.5 - 93.9France (Poitou-Charentes) P. truncatus (73862)
Late/Upper Cenomanian100.5 - 93.9France P. truncatus (59811)
Middle Cenomanian100.5 - 93.9France P. truncatus (59803 59805)