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Trigonoseminae
Taxonomy
Trigonoseminae was named by Elliott (1965). Its type is Trigonosemus.
It was assigned to Terebrataliidae by Williams et al. (2006).
It was assigned to Terebrataliidae by Williams et al. (2006).
Subtaxa
Synonymy list
Year | Name and author |
---|---|
1965 | Trigonoseminae Elliott |
2006 | Trigonoseminae Williams et al. p. 2215 |
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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.
Subfm. †Trigonoseminae Elliott 1965
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G. †Dereta Elliott 1959
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†Dereta incerta Davidson 1852
†Dereta pectita Sowerby 1816
†Dereta pectita ballardensis Owen 1988
G. †Terebrirostra
Diagnosis
No diagnoses are available