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Morphology Ecology and taphonomy   Age range and collections

Pseudoeuchasma

Rostroconchia - Ribeirioida

Taxonomy
Pseudoeuchasma was named by Kobayashi (1933) [Sepkoski's age data: O Trem Sepkoski's reference number: 543]. Its type is Pseudoeuchasma typica.

It was assigned to Ribeirioida by Sepkoski (2002).

Synonymy list
YearName and author
1933Pseudoeuchasma Kobayashi p. 302
2002Pseudoeuchasma Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
RankNameAuthor
Schizocoela
phylumMollusca
classRostroconchia
orderRibeirioida
genusPseudoeuchasma

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