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Rostroconchia

Rostroconchia -

Synonymy list
YearName and author
1972Rostroconchia Pojeta, Jr. et al. p. 264
2002Rostroconchia Sepkoski, Jr.

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

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
ReferenceDiagnosis
J. Pojeta et al. 1972The new class Rostroconchia Pojeta, Runnegar, Morris, and Newell may be diagnosed as follows: mollusks having an uncoiled univalved larval shell; an untorted bivalved adult shell; no hinge teeth, ligament, or adductor muscles; and a fused, almost inflexible, hinge; Early Ordovician-Late Permian (4, 14, 19).