Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Allorisma dubium

Bivalvia - Pholadomyida - Edmondiidae

Taxonomy
Allorisma dubium was named by Waagen (1881). It is a 3D body fossil. Its type locality is Road from Katwahi to Shahpur, middle part, Upper Productus-limestone, Salt Range, which is in a Changhsingian marine sandstone in the Chhidru Formation of Pakistan.

Sister species lacking formal opinion data
A. maynardwhitei, A. snideri

Synonymy list
YearName and author
1881Allorisma dubium Waagen p. 196 figs. Pl 17, fig 7
1953Allorisma dubium Walter p. 693 figs. Pl 72, fig 3

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassHeteroconchia(Gray 1854)
—CardiomorphiFerussac 1822
—CardioniFerussac 1822
—CardiidiaFerussac 1822
—PoromyataRidewood 1903
orderPholadomyida()
superfamilyEdmondioidea()
familyEdmondiidae
genusAllorisma
speciesdubium

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.

†Allorisma dubium Waagen 1881
show all | hide all
Diagnosis
No diagnoses are available
Measurements
partNmean
valve height110.0

Composition: aragonitec
Locomotion: facultatively mobileo
Life habit: infaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 12:37:17
Modified: 2004-02-28 14:37:17
Source: o = order, c = class
Reference: Aberhan et al. 2004

Age range: Changhsingian or 254.14000 to 251.90200 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Changhsingian254.14 - 251.902USA (Texas) Allorisma dubium (50002)
Changhsingian254.14 - 251.902Pakistan Allorisma dubium (type locality: 119720)