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Trifidorostellum obscurum
Taxonomy
Trifidorostellum obscurum was named by Cooper and Dutro (1982). Its type specimen is USNM 200981, a shell, and it is a 3D body fossil.
Synonymy list
Year | Name and author |
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1982 | Trifidorostellum obscurum Cooper and Dutro pp. 78 - 79 figs. Plate 16, figures 32-48; plate 40, figures 28-31 |
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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.
†Trifidorostellum obscurum Cooper and Dutro 1982
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Diagnosis
Reference | Diagnosis | |
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G. A. Cooper and J. T. Dutro 1982 | Small, rotund Trifidorostellum having two costae in the sulcus and three on the flanks. |
Measurements
No measurements are available
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Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
References: Nesnidal et al. 2013, Aberhan et al. 2004 |