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Enallaster

Echinoidea - Spatangoida - Toxasteridae

Taxonomy
Enallaster was named by d'Orbigny (1853).

It was assigned to Spatangidae by Clark and Twitchell (1915); to Spatangoidea by Benavides-Caceres (1956); and to Toxasteridae by Morishita (1964).

Species
E. obliquatus, E. texanus, E. yuasensis
Species lacking formal opinion data
E. peruanus, E. verruculatus

Synonymy list
YearName and author
1853Enallaster d'Orbigny p. 181
1915Enallaster Clark and Twitchell p. 86
1956Enallaster Benavides-Caceres
1964Enallaster Morishita p. 276

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Echinozoa()
classEchinoidea()
RankNameAuthor
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
—Carinacea
—Irregularia()
—Atelostomata
orderSpatangoida
familyToxasteridae
genusEnallasterd'Orbigny 1853

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. †Enallaster d'Orbigny 1853
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Enallaster texanus Roemer 1849
†Enallaster yuasensis Tanaka and Okubo 1954
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calciteo
Ontogeny: accretion, addition of partsp
Environment: marineo
Locomotion: slow-movingo
Life habit: shallow infaunalo
Diet: deposit feedero
Diet 2: detritivoreo
Vision: limitedc
Dispersal: watero
Dispersal 2: planktonico
Created: 2004-02-28 12:18:10
Modified: 2009-10-08 16:32:56
Source: o = order, c = class, p = phylum
References: Aberhan 1992, Kiessling 2004

Age range

Maximum range based only on fossils: base of the Late/Upper Aptian to the top of the Early/Lower Maastrichtian or 119.57000 to 66.00000 Ma
Minimum age of oldest fossil (stem group age): 113.2 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Barremian - Aptian125.77 - 113.2Chile (Copiapó) E. texanus (222944)
Aptian121.4 - 113.2Egypt E. verruculatus (161584)
Late/Upper Aptian119.57 - 113.2Mexico (Baja California) E. texanus (1881)
Early/Lower Albian113.2 - 110.1Peru (Cajamarca) E. peruanus (88171) E. sp. (88167 88172)
Early/Lower Albian113.2 - 110.1Peru E. peruanus (88152)
Early/Lower Albian113.2 - 110.1USA (Texas) E. obliquatus (235834) E. texanus (203431)
Albian113.2 - 100.5Mexico (Coahuila de Zaragoza) E. texanus (88630 88634)
Albian113.2 - 100.5Peru (Cajamarca) E. sp. (56911 56912)
Middle Albian110.1 - 106.3Peru E. peruanus (88175 158987)
Late/Upper Albian106.3 - 100.5Peru (Cajamarca) E. sp. (88164)
Middle Campanian - Early/Lower Maastrichtian83.6 - 66.0Japan (Wakayama) E. sp., E. yuasensis (203140)