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Pterotrigonia (Acanthotrigonia)
Taxonomy
Acanthotrigonia was named by van Hoepen (1929) [Sepkoski's age data: K Coni-l K Maes Sepkoski's reference number: 891]. It is not extant.
It was synonymized subjectively with Pterotrigonia by Cox (1952); it was reranked as Pterotrigonia (Acanthotrigonia) by Tashiro and Kozai (1982).
It was assigned to Pterotrigonia by Tashiro and Kozai (1982); and to Trigonioida by Sepkoski (2002).
It was synonymized subjectively with Pterotrigonia by Cox (1952); it was reranked as Pterotrigonia (Acanthotrigonia) by Tashiro and Kozai (1982).
It was assigned to Pterotrigonia by Tashiro and Kozai (1982); and to Trigonioida by Sepkoski (2002).
Subtaxa
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1929 | Acanthotrigonia van Hoepen |
| 1982 | Pterotrigonia (Acanthotrigonia) Tashiro and Kozai p. 80 |
| 2002 | Acanthotrigonia 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.
Subg. †Pterotrigonia (Acanthotrigonia) van Hoepen 1929
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†Acanthotrigonia shepstonei Griesbach 1871
†Pterotrigonia (Acanthotrigonia) higoensis Tamura and Tashiro 1967
†Pterotrigonia (Acanthotrigonia) mashikensis Tamura and Tashiro 1967
Diagnosis
No diagnoses are available