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Allomma

Echinoidea - Hemicidaroida

Taxonomy
Allomma is a genus. It is not extant.

It was assigned to Hemicidaroida by Fell and Pawson (1966), Sepkoski (2002).

Synonymy list
YearName and author
1966Allomma Fell and Pawson p. U392
2002Allomma Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
RankNameAuthor
—Echinozoa()
classEchinoidea()
subclassEuechinoideaBronn 1860
—Echinacea()
superorderStirodontaJackson 1912
orderHemicidaroida()
genusAllomma

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. †Allomma
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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: low-level epifaunalo
Diet: grazero
Vision: limitedc
Dispersal: watero
Dispersal 2: planktonico
Created: 2004-02-29 10:13:12
Modified: 2009-12-13 03:44:23
Source: o = order, c = class, p = phylum
References: Kiessling 2004, Aberhan 1992, Aberhan et al. 2004

Age range: base of the Barremian to the top of the Early/Lower Cenomanian or 125.77000 to 93.90000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Barremian125.77 - 121.4Yemen (Wadi Hajar) A. sp. (2576)
Early/Lower Cenomanian100.5 - 93.9France A. rhodani (59810)
Early/Lower Cenomanian100.5 - 93.9United Kingdom A. rhodani (59688 59707 59708)