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Pterotrigonia (Ptilotrigonia)
Taxonomy
Ptilotrigonia was named by van Hoepen (1929) [Sepkoski's age data: K Albi-u K Maes Sepkoski's reference number: 891].
It was synonymized subjectively with Pterotrigonia by Cox (1952); it was reranked as Pterotrigonia (Ptilotrigonia) by Tashiro (1988).
It was assigned to Pterotrigonia by Tashiro (1988); and to Trigonioida by Sepkoski (2002).
It was synonymized subjectively with Pterotrigonia by Cox (1952); it was reranked as Pterotrigonia (Ptilotrigonia) by Tashiro (1988).
It was assigned to Pterotrigonia by Tashiro (1988); and to Trigonioida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
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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. †Pterotrigonia (Ptilotrigonia) van Hoepen 1929
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†Pterotrigonia (Ptilotrigonia) mifunensis Tamura and Tashiro 1967
†Ptilotrigonia lauta van Hoepen 1929
Diagnosis
No diagnoses are available