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Tropidelasma curtum
Taxonomy
Tropidelasma curtum was named by Cooper and Grant (1974). Its type specimen is USNM 152590b, a valve (Ventral valve), and it is not a trace fossil. Its type locality is AMNH B188-8, Last Chance Canyon, which is in a Kungurian offshore limestone in the San Andres Formation of New Mexico.
Synonymy list
Year | Name and author |
---|---|
1974 | Tropidelasma curtum Cooper and Grant pp. 340-341 figs. Pl 58, figs 1-14 |
2016 | Tropidelasma curtum Tazawa p. 376 figs. 8.3, 8.4 |
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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 curtum Cooper and Grant 1974
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Diagnosis
No diagnoses are available