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

Egrona

Bivalvia - Cardiida - Veneridae

Taxonomy
Egrona was named by Saul (1993) [Sepkoski's age data: K Turo Sepkoski's reference number: 1067]. Its type is Egrona fallax.

It was assigned to Pitarinae by Saul (1993); and to Veneroida by Sepkoski (2002).

Species
E. fallax (type species)

Synonymy list
YearName and author
1993Egrona Saul pp. 967 - 968
2002Egrona Sepkoski

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)
infraclassHeteroconchia(Gray 1854)
CardiomorphiFerussac 1822
RankNameAuthor
CardioniFerussac 1822
CardiidiaFerussac 1822
CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderCardiidinaFerussac 1822
Veneroidei(Gray 1854)
VeneroiteiGray 1854
superfamilyVeneroidea(Rafinesque 1815)
familyVeneridaeRafinesque 1815
subfamilyCallocardiinae(Dall 1895)
genusEgrona

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. †Egrona Saul 1993
show all | hide all
Egrona fallax Saul 1993
Diagnosis
ReferenceDiagnosis
L. R. Saul 1993Veneriform bivalves having smooth exterior ex­cept for growth lines; lunule depressed, set off by incised line; escutcheon of left valve obscurely delimited by angulation; three cardinals in each valve; right posterior cardinal bifid; an elon­gate, smooth sided anterior lateral tooth in left valve; shell mar­gin of right valve grooved parallel to margin posterior to liga­ment; nymphs smooth; pallial sinus moderately deep and angular.