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Nucleopygus

Echinoidea - Cassiduloida - Cassidulidae

Taxonomy
Nucleopygus was named by Agassiz (1840) [Sepkoski's age data: K Nc T Mi Sepkoski's reference number: 577].

It was assigned to Nucleolitidae by Smith (1991); to Cassidulidae by Kier (1962), Kier (1966), Smith (1995); and to Cassiduloida by Sepkoski (2002).

Synonymy list
YearName and author
1840Nucleopygus Agassiz p. 7
1962Nucleopygus Kier p. 164
1966Nucleopygus Kier p. U514
1991Nucleopygus Smith p. 40
1995Nucleopygus Smith p. 216
2002Nucleopygus Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Echinozoa()
classEchinoidea()
subclassEuechinoideaBronn 1860
RankNameAuthor
superorderAcroechinoidea()
Carinacea
Irregularia()
Microstomata
Neognathostomata
orderCassiduloida
suborderCassidulina
familyCassidulidae
genusNucleopygus

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. †Nucleopygus Agassiz 1840
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Subg. †Nucleopygus (Jolyclypus) Lambert 1918
Nucleopygus magnus Smith 1995
Nucleopygus minor Desor 1842
Nucleopygus pullatus Smith and Jeffery 2000
Nucleopygus scrobiculatus Goldufss 1826
Nucleopygus similis d'Orbigny 1856
Nucleopygus texanus Clark 1891
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: Kiessling 2004, Aberhan 1992, Aberhan et al. 2004

Age range: base of the Late/Upper Barremian to the top of the Danian or 125.77000 to 61.66000 Ma

Collections (47 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Barremian125.77 - 121.4France (DrĂ´me) N. coravium (75576)
Aptian121.4 - 113.2France N. roberti (38806)
Late/Upper Albian106.3 - 100.5Brazil (Sergipe) N. similis (87857)
Cenomanian100.5 - 93.9France (Charentes) N. parallelus, N. jolyi (64881)
Cenomanian100.5 - 93.9France (Charente-Maritime) N. jolyi, N. similis (64878)
Early/Lower Cenomanian100.5 - 93.9France (Poitou-Charentes) N. similis (73862 73863)
Early/Lower Cenomanian100.5 - 93.9France N. similis (59802 59810 59813 59814 59815 59817) N. sp., N. minor (59816)
Late/Upper Cenomanian100.5 - 93.9France N. minor (59806) N. parallelus (59808) N. parallelus, N. minor (59807)
Middle Cenomanian100.5 - 93.9France N. similis (59804)
Turonian93.9 - 89.8France (Landes) N. minimus (213761 213769) N. parallelus (213768) N. sp. A, N. parallelus (213763)
Coniacian89.8 - 85.7USA (Texas) Echinobrissus texanus (78119) N. texanus (197066)
Coniacian89.8 - 85.7France N. sp. (3735)
Late/Upper Santonian85.7 - 83.6Jamaica N. cubensis (99824)
Santonian85.7 - 83.6France N. sp. (3737)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0USA (New Jersey) N. gallagheri (52504)
Early/Lower Maastrichtian72.2 - 66.0Belgium (Liege) N. coravium, N. scrobiculatus (32158)
Late/Upper Maastrichtian72.2 - 66.0Netherlands N. coravium, N. scrobiculatus (32179) N. scrobiculatus (3123)
Late/Upper Maastrichtian72.2 - 66.0Netherlands (Limburg) N. coravium (32168) N. coravium, N. scrobiculatus (32159 32167)
Late/Upper Maastrichtian72.2 - 66.0Belgium (Liege) N. coravium (32157 32174) N. coravium, N. scrobiculatus (32153 32154)
Late/Upper Maastrichtian - Late/Upper Cretaceous72.2 - 66.0Belgium (Liege) N. coravium, N. scrobiculatus (32175)
Late/Upper Maastrichtian - Maastrichtian72.2 - 66.0Netherlands N. coravium (32162)
Maastrichtian72.2 - 66.0Oman N. sp. (151619)
Maastrichtian72.2 - 66.0Spain (Santander) N. coravium (157004) N. coravium, N. scrobiculatus (157006) N. scrobiculatus (157023)
Late/Upper Maastrichtian - Danian72.2 - 61.66Netherlands (Limburg) N. scrobiculatus (32169)
Late/Upper Maastrichtian - Danian72.2 - 61.66Netherlands N. scrobiculatus (32160)
Danian66.0 - 61.66Argentina (La Pampa) N. pullatus (236598)