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Calva (Egelicalva) crassa

Bivalvia - Cardiida - Veneridae

Taxonomy
Calva (Egelicalva) crassa was named by Saul and Popenoe (1992). Its type specimen is UCLA 40421 and is a 3D body fossil. Its type locality is UCLA loc. 4118, Jalama Creek, which is in a Campanian offshore sandstone/conglomerate in the Jalama Formation of California.

Sister species lacking formal opinion data
C. caperata

Synonymy list
YearName and author
1992Calva (Egelicalva) crassa Saul and Popenoe pp. 44 - 48 figs. 239 - 254

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
—CardiomorphiFerussac 1822
—CardioniFerussac 1822
RankNameAuthor
—CardiidiaFerussac 1822
—CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderCardiidinaFerussac 1822
—Veneroidei(Gray 1854)
—VeneroiteiGray 1854
superfamilyVeneroidea(Rafinesque 1815)
familyVeneridaeRafinesque 1815
genusCalva
subgenusEgelicalva
speciescrassa

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.

†Calva (Egelicalva) crassa Saul and Popenoe 1992
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Diagnosis
ReferenceDiagnosis
L. R. Saul and W. P. Popenoe 1992A large, relatively high, broad- beaked Egelicalvawith maximum inflation anterior to the mid-length, a concave lunular margin, and smooth lateral teeth. Cardinal tooth 1 not reaching the hinge plate edge, extending farther toward beak than 3a.
Measurements
No measurements are available
Composition: aragonitef
Locomotion: facultatively mobilef
Life habit: infaunalf
Diet: suspension feederf
Vision: blindc
Created: 2007-10-08 06:38:03
Modified: 2009-08-18 20:15:30
Source: f = family, c = class
References: Aberhan et al. 2004, Kiessling 2004

Age range: base of the Maastrichtian to the top of the Early/Lower Maastrichtian or 72.10000 to 66.00000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.5 - 70.6USA (California) Calva varians (1521 type locality: 1523 1525 1536 1548)
Maastrichtian72.1 - 66.0Mexico Egelicalva crassa (1372)
Maastrichtian72.1 - 66.0USA (California) Egelicalva crassa (1354)
Early/Lower Maastrichtian70.6 - 66.0USA (California) Calva crassa (219070 219084)