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Tropidelasma costellatum
Taxonomy
Tropidelasma costellatum was named by Cooper and Grant (1974). Its type specimen is USNM 147823a, a shell (Articulated shell), and it is not a trace fossil. Its type locality is USNM705r, Skinner Ranch Formation, Leonard Mountain, Glass Mountains, which is in an Artinskian slope limestone in the Skinner Ranch Formation of Texas.
Synonymy list
Year | Name and author |
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1974 | Tropidelasma costellatum Cooper and Grant p. 338 figs. Pl 58, figs 16-27 |
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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.
†Tropidelasma costellatum Cooper and Grant 1974
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Diagnosis
No diagnoses are available