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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
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 Cenomanian or 166.10000 to 93.90000 Ma

Collections (84 total)


Time interval Ma Country or state Original ID and collection number
Bajocian - Early/Lower Bathonian170.3 - 164.7Saudi Arabia P. cottreaui (45303)
Callovian166.1 - 163.5Saudi Arabia P. smelliei (48585 48589 48598)
Callovian166.1 - 163.5India P. sp. (68079)
Callovian - Oxfordian166.1 - 157.3Tunisia P. peretti (13951)
Early/Lower Callovian164.7 - 161.2Madagascar (Toliara) Echinopygus cottreaui (98171)
Early/Lower Callovian164.7 - 161.2Madagascar Mepygurus depressus (98184 98185) P. depressus (98096) P. joieaudi, P. umbrella, P. depressus (98194)
Early/Lower Callovian - Middle Callovian164.7 - 161.2Madagascar P. depressus (98160)
Middle Callovian - Late/Upper Callovian164.7 - 161.2Tunisia P. peretti (13676)
Middle Callovian - Late/Upper Callovian164.7 - 161.2Saudi Arabia P. smelliei (34544)
Oxfordian163.5 - 157.3Saudi Arabia P. smelliei (46047) P. sp. (46053)
Kimmeridgian157.3 - 152.1Poland (Malogoszcz) P. blumenbachi, P. jurensis (157213)
Kimmeridgian157.3 - 152.1Poland (Czarnoglowy) P. costatus (157224)
Kimmeridgian157.3 - 152.1Poland (Wierzbica) P. blumenbachi (157220)
Kimmeridgian157.3 - 152.1Poland (Sulejow) P. costatus (157209)
Kimmeridgian157.3 - 152.1Poland (Sobkow) P. jurensis (157214)
Kimmeridgian157.3 - 152.1USA (Texas) P. sp. (69010)
Kimmeridgian157.3 - 152.1Poland (Korytnica) P. blumenbachi (157217)
Kimmeridgian157.3 - 152.1Poland (Ozarow) P. jurensis (157221)
Late/Upper Kimmeridgian155.7 - 150.8Germany (Bavaria) P. sp. (132944)
Late/Upper Tithonian150.8 - 145.0Chile P. andinus (90556)
Berriasian145.0 - 139.8Saudi Arabia P. sp. B, P. yamamaensis (195507)
Berriasian145.0 - 139.8Ukraine P. rostratus (183168)
Early/Lower Valanginian140.2 - 136.4Switzerland P. rostartus (2225)
Valanginian139.8 - 132.9France P. gillieroni (2214) P. gillieroni, P. sp. (2218) P. rostratus (2223) P. rostratus, P. buchii (2222)
Valanginian139.8 - 132.9Switzerland P. gillieroni (2215 2217) P. rostratus (2221 2224) P. rostratus, P. buchi (2247) P. sp. (2244)
Valanginian139.8 - 132.9Portugal P. rostratus (64952 65673) P. rostratus, P. montmollini (65674)
Valanginian139.8 - 132.9Saudi Arabia P. yamamaensis (195494 195508)
Early/Lower Hauterivian136.4 - 130.0France P. montmolini (68934 68987 69007 69067 69745 69746 69752 69764 69765 69777 69778 69780 69781 69782 69783 69785 69786 69793 69794 69796 84872 84873 84876 84878 84879)
Hauterivian132.9 - 129.4Switzerland P. montmollini (2198)
Hauterivian132.9 - 129.4Saudi Arabia P. sp. A (195510) P. yamamaensis (195509)
Barremian129.4 - 125.0Switzerland P. montmollini (2196)
Barremian129.4 - 125.0France P. montmollini (2212)
Aptian125.0 - 113.0Switzerland P. escheri (2229) P. sp. (2230 2233)
Late/Upper Aptian122.46 - 113.0Egypt P. subproductus (220858)
Late/Upper Aptian122.46 - 113.0Angola P. africanus (210857)
Late/Upper Albian105.3 - 99.6Egypt P. subproductus (140611)
Late/Upper Albian - Cenomanian105.3 - 93.9Egypt P. subproductus (150874)
Cenomanian100.5 - 93.9United Arab Emirates P. sp., P. subproductus (3792)
Early/Lower Cenomanian99.6 - 93.5France P. lampas (59809)
Early/Lower Cenomanian99.6 - 93.5France (Poitou-Charentes) P. lampas (73862)