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Undularia (Orthostomia)
Taxonomy
Undularia (Orthostomia) was named by Kittl (1899).
It was reranked as Orthostomia by Sepkoski (2002).
It was assigned to Undularia by Kittl (1899); and to Neotaenioglossa by Sepkoski (2002).
It was reranked as Orthostomia by Sepkoski (2002).
It was assigned to Undularia by Kittl (1899); and to Neotaenioglossa by Sepkoski (2002).
Subtaxa
Species lacking formal opinion data
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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. †Undularia (Orthostomia) Kittl 1899
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†Undularia (Orthostomia) ambrosinii Stoppani 1858
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Invalid names: Trochus cainalli Stoppani 1858 [synonym], Trochus incisus Stoppani 1858 [synonym]
†Undularia (Orthostomia) brevissima Kittl 1894
†Undularia (Orthostomia) concava Stoppani 1857
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Invalid names: Chemnitzia trochoides Stoppani 1857 [synonym]
†Undularia (Orthostomia) fusoides Stoppani 1857
†Undularia (Orthostomia) pillae Stoppani 1858
Diagnosis
No diagnoses are available