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Pygasteridae

Echinoidea - Pygasteridae

Taxonomy
Pygasteridae was named by Lambert (1900). Its type is Pygaster.

It was assigned to Holectypina by Clark and Twitchell (1915); to Pygasteroida by Fell (1966); and to Irregularia by Kroh and Smith (2010).

Subtaxa
Pileus, Plesiechinus, Pygaster (type genus)

Synonymy list
YearName and author
1900Pygasteridae Lambert
1915Pygasteridae Clark and Twitchell p. 33
1966Pygasteridae Fell p. U365
2010Pygasteridae Kroh and Smith p. 171

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

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.

Fm. †Pygasteridae Lambert 1900
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G. †Pileus
G. †Plesiechinus Pomel 1883
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†Plesiechinus hawkinsi Jesionek-Szymanska 1970
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 Oxynotum to the top of the Early/Lower Cenomanian or 196.50000 to 93.50000 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Oxynotum196.5 - 189.6USA (Nevada) Plesiechinus hawkinsi (158314)
Early/Lower Bathonian167.7 - 164.7Iran Plesiechinus sp. (37563)
Callovian166.1 - 163.5Madagascar Pygaster umbrella (98195)
Early/Lower Callovian164.7 - 161.2Madagascar Pygaster joleaudi (98096)
Late/Upper Oxfordian161.2 - 155.7United Kingdom (England) Pygaster semisulcatus (5937) Pygaster sp. (4098)
Kimmeridgian157.3 - 152.1Poland (Sobkow) Pygaster morrisi (157214)
Kimmeridgian157.3 - 152.1Poland (Sulejow) Pygaster morrisi (157209)
Kimmeridgian157.3 - 152.1Poland (Wierzbica) Pygaster tenuis (157220)
Kimmeridgian157.3 - 152.1Poland (Malogoszcz) Pygaster morrisi, Pygaster tenuis (157213)
Kimmeridgian157.3 - 152.1Poland (Korytnica) Pygaster morrisi, Pygaster tenuis (157217)
Late/Upper Kimmeridgian155.7 - 150.8Germany (Bayern) Pygaster sp. (59175)
Early/Lower Cenomanian99.6 - 93.5France (Poitou-Charentes) Pygaster truncatus (73862)
Early/Lower Cenomanian99.6 - 93.5France Pygaster truncatus (59817)
Late/Upper Cenomanian99.6 - 93.5France Pygaster truncatus (59811)
Middle Cenomanian99.6 - 93.5France Pygaster truncatus (59803 59805)