Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy   Age range and collections

Euchasma

Rostroconchia - Conocardiida - Eopteriidae

Taxonomy
Euchasma was named by Billings (1865) [Sepkoski's age data: Cm Dres O Llvi-l Sepkoski's reference number: 16,281]. It is not extant. Its type is Conocardium blumenbachium.

It was assigned to Eopteriidae by Pojeta and Runnegar (1976); and to Conocardioida by Sepkoski (2002).

Synonyms
Synonymy list
YearName and author
1865Euchasma Billings
1933Euchasmella Kobayashi
1976Euchasma Pojeta and Runnegar p. 48
2002Euchasma Sepkoski, Jr.
2002Euchasmella Sepkoski, Jr.

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

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
RankNameAuthor
phylumMollusca
classRostroconchia
orderConocardiida()
superfamilyEopterioidea
familyEopteriidae
genusEuchasma

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.

Diagnosis
No diagnoses are available