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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, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEchinozoa
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.

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: Kiessling 2004, Aberhan 1992

Age range: base of the Early/Lower Callovian to the top of the Early/Lower Cenomanian or 164.70000 to 93.50000 Ma

Collections (15 total)


Time interval Ma Country or state Original ID and collection number
Callovian166.1 - 163.5Madagascar P. umbrella (98195)
Early/Lower Callovian164.7 - 161.2Madagascar P. joleaudi (98096)
Late/Upper Oxfordian161.2 - 155.7United Kingdom (England) P. semisulcatus (5937) P. sp. (4098)
Kimmeridgian157.3 - 152.1Poland (Korytnica) P. morrisi, P. tenuis (157217)
Kimmeridgian157.3 - 152.1Poland (Malogoszcz) P. morrisi, P. tenuis (157213)
Kimmeridgian157.3 - 152.1Poland (Sulejow) P. morrisi (157209)
Kimmeridgian157.3 - 152.1Poland (Wierzbica) P. tenuis (157220)
Kimmeridgian157.3 - 152.1Poland (Sobkow) P. morrisi (157214)
Late/Upper Kimmeridgian155.7 - 150.8Germany (Bayern) P. sp. (59175)
Early/Lower Cenomanian99.6 - 93.5France (Poitou-Charentes) P. truncatus (73862)
Early/Lower Cenomanian99.6 - 93.5France P. truncatus (59817)
Late/Upper Cenomanian99.6 - 93.5France P. truncatus (59811)
Middle Cenomanian99.6 - 93.5France P. truncatus (59803 59805)