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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) and 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: Aberhan et al. 2004, Aberhan 1992, Kiessling 2004

Age range: base of the Late/Upper Barremian to the top of the Late/Upper Maastrichtian or 130.00000 to 66.00000 Ma

Collections (46 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Barremian130.0 - 125.45France (Drôme) N. coravium (75576)
Aptian125.0 - 113.0France N. roberti (38806)
Late/Upper Albian105.3 - 99.6Brazil (Sergipe) N. similis (87857)
Cenomanian100.5 - 93.9France (Charente-Maritime) N. jolyi, N. similis (64878)
Cenomanian100.5 - 93.9France (Charentes) N. parallelus, N. jolyi (64881)
Early/Lower Cenomanian99.6 - 93.5France N. similis (59802 59810 59813 59814 59815 59817) N. sp., N. minor (59816)
Early/Lower Cenomanian99.6 - 93.5France (Poitou-Charentes) N. similis (73862 73863)
Late/Upper Cenomanian99.6 - 93.5France N. minor (59806) N. parallelus (59808) N. parallelus, N. minor (59807)
Middle Cenomanian99.6 - 93.5France N. similis (59804)
Turonian93.9 - 89.8France (Landes) N. minimus (213761 213769) N. parallelus (213768) N. sp. A, N. parallelus (213763)
Coniacian89.8 - 86.3USA (Texas) Echinobrissus texanus (78119) N. texanus (197066)
Coniacian89.8 - 86.3France N. sp. (3735)
Santonian86.3 - 83.6France N. sp. (3737)
Late/Upper Santonian85.8 - 83.5Jamaica N. cubensis (99824)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0USA (New Jersey) N. gallagheri (52504)
Maastrichtian72.1 - 66.0Oman N. sp. (151619)
Maastrichtian72.1 - 66.0Spain (Santander) N. coravium (157004) N. coravium, N. scrobiculatus (157006) N. scrobiculatus (157023)
Early/Lower Maastrichtian70.6 - 66.0Belgium (Liege) N. coravium, N. scrobiculatus (32158)
Late/Upper Maastrichtian70.6 - 66.0Belgium (Liege) N. coravium (32157 32174) N. coravium, N. scrobiculatus (32153 32154)
Late/Upper Maastrichtian70.6 - 66.0Netherlands N. coravium, N. scrobiculatus (32179) N. scrobiculatus (3123)
Late/Upper Maastrichtian70.6 - 66.0Netherlands (Limburg) N. coravium (32168) N. coravium, N. scrobiculatus (32159 32167)
Late/Upper Maastrichtian - Late/Upper Cretaceous70.6 - 66.0Belgium (Liege) N. coravium, N. scrobiculatus (32175)
Late/Upper Maastrichtian - Maastrichtian70.6 - 66.0Netherlands N. coravium (32162)
Late/Upper Maastrichtian - Danian70.6 - 61.6Netherlands N. scrobiculatus (32160)
Late/Upper Maastrichtian - Danian70.6 - 61.6Netherlands (Limburg) N. scrobiculatus (32169)