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Biformispira
Taxonomy
Biformispira was named by Rohr (1980) [Sepkoski's age data: D Gedi D Sieg Sepkoski's reference number: 797]. It is not extant. Its type is Biformispira isaacsoni.
It was assigned to Euomphalidae by Rohr (1980); and to Euomphalina by Sepkoski (2002).
It was assigned to Euomphalidae by Rohr (1980); and to Euomphalina by Sepkoski (2002).
Species
B. isaacsoni (type species), B. isacsonni
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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.
G. †Biformispira Rohr 1980
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†Biformispira isaacsoni Rohr 1980
†Biformispira isacsonni Rohr 1980
Diagnosis
No diagnoses are available