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Ptychostoma
Taxonomy
Ptychostoma is a genus. It is not extant.
It was assigned to Prostyliferidae by Nützel and Erwin (2001); and to Neotaenioglossa by Sepkoski (2002).
It was assigned to Prostyliferidae by Nützel and Erwin (2001); and to Neotaenioglossa by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1909 | Kittlia Cossmann |
2001 | Ptychostoma Nützel and Erwin |
2002 | Kittlia Sepkoski |
2002 | Ptychostoma 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.
G. †Ptychostoma
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†Ptychostoma mojsisovicsi Kittl 1892
†Ptychostoma pleurotomoides Wissmann 1841
†Ptychostoma stachei Kittl 1892
†Ptychostoma waehneri Kittl 1892
Invalid names: Kittlia Cossmann 1909 [objective synonym]
Diagnosis
No diagnoses are available