|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Bivalvia - Sanguinolitidae
It was recombined as Sphenotus aeolus by Meek (1875), Hall (1885) and Busanus and Hoare (1991).
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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.
|J. W. Busanus and R. D. Hoare 1991||Small, thin-shelled, subrhomboidal, with dorsal and ventral margins subparallel or diverging posteriorly; anterior margin produced; umbonal shoulder well developed with one or two faint radiating ridges on the dorsoposterior area; dorsal portion of posterior margin somewhat truncate; ornamentation of numerous, fine, closely spaced, comarginal ridges.|