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Nummocalcar (Platybasis)
Taxonomy
Platybasis was named by Cossmann (1915) [Sepkoski's age data: J Bajo].
It was reranked as Nummocalcar (Platybasis) by Fischer and Weber (1997); it was misspelled as Platybassis by Sepkoski (2002).
It was assigned to Euomphalidae by Knight et al. (1960); to Discohelicidae by Schröder (1995); to Nummocalcar by Fischer and Weber (1997); and to Archaeogastropoda by Sepkoski (2002).
It was reranked as Nummocalcar (Platybasis) by Fischer and Weber (1997); it was misspelled as Platybassis by Sepkoski (2002).
It was assigned to Euomphalidae by Knight et al. (1960); to Discohelicidae by Schröder (1995); to Nummocalcar by Fischer and Weber (1997); and to Archaeogastropoda by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1915 | Platybasis Cossmann |
1960 | Platybasis Knight et al. p. 196 |
1995 | Platybasis Schröder |
1997 | Nummocalcar (Platybasis) Fischer and Weber p. 113 |
2002 | Platybassis 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.
Subg. †Nummocalcar (Platybasis) Cossmann 1915
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†Nummocalcar (Platybasis) pulchellum d'Orbigny 1850
Diagnosis
No diagnoses are available