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Biangularia
Taxonomy
Pleurotomaria (Biangularia) was named by Spitz (1907) [Sepkoski's age data: D Emsi D Give Sepkoski's reference number: 362]. It is not extant. Its type is Pleurotomaria (Biangularia) frechi.
It was reranked as Biangularia by Knight et al. (1960), Sepkoski (2002).
It was assigned to Pleurotomaria by Spitz (1907); to Murchisoniidae by Knight et al. (1960); and to Archaeogastropoda by Sepkoski (2002).
It was reranked as Biangularia by Knight et al. (1960), Sepkoski (2002).
It was assigned to Pleurotomaria by Spitz (1907); to Murchisoniidae by Knight et al. (1960); and to Archaeogastropoda by Sepkoski (2002).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1907 | Pleurotomaria (Biangularia) Spitz p. 134 |
| 1960 | Biangularia Knight et al. p. 291 |
| 2002 | Biangularia Sepkoski |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order | |||||
| References: Bambach et al. 2007, Hendy 2009 | |||||