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Gastropoda - Sorbeoconcha - Potamididae
It was Tympanotonos (Ptychopotamides) by Pacaud and Le Renard (1995); it was reranked as Ptychopotamides by Harzhauser (2002) and Sepkoski (2002).
It was assigned to Tympanotonos by Pacaud and Le Renard (1995); to Neotaenioglossa by Sepkoski (2002); to Potamididae by Harzhauser (2002); and to Potamides by Sacco (1895), Marquet (1997) and Mandic and Steininger (2003).
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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.