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

Acmaea geometrica

Gastropoda - Patellida - Lottiidae

Taxonomy
Patella geometrica was named by Merriam (1897). Its type specimen is UC 11933, a shell, and it is a 3D body fossil.

It was recombined as Acmaea geometrica by Clark and Arnold (1923) and Weaver (1942).

Sister species lacking formal opinion data
A. dutemplei, A. genettae, A. moshiensis

Synonymy list
YearName and author
1897Patella geometrica Merriam p. 65
1899Patella geometrica Merriam p. 178
1923Acmaea geometrica Clark and Arnold p. 171
1942Acmaea geometrica Weaver p. 279

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

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassPatellogastropoda(Lindberg 1986)
orderPatellida(Ihering 1876)
superfamilyLottioideaGray 1840
familyLottiidaeGray 1840
genusAcmaeaEschscholtz 1830
speciesgeometrica(Merriam 1897)

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.

†Acmaea geometrica Merriam 1897
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: facultatively mobilef
Attached: yesf
Life habit: epifaunalf
Diet: grazerf
Vision: limitedc
Created: 2009-08-15 13:52:10
Modified: 2009-09-10 10:54:20
Source: f = family, c = class
References: Hendy et al. 2009, Kiessling 2004

Age range: Chattian or 28.10000 to 23.03000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Chattian28.1 - 23.03Canada (British Columbia) Acmaea geometrica (63088) Patella geometrica (63086)