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Allorhynchus formulosum
Taxonomy
Allorhynchus formulosum was named by Cooper and Grant (1976). Its type specimen is USNM 154881a, a shell (Articulated shell), and it is not a trace fossil.
Synonymy list
Year | Name and author |
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1976 | Allorhynchus formulosum Cooper and Grant p. 2006 figs. Pl 540, figs 4-14 |
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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.
†Allorhynchus formulosum Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 9 | 3.22 | 1.40 | 5.50 | 3.60 | 1.59 |
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Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
References: Aberhan et al. 2004, Nesnidal et al. 2013 |