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Eotrigonia
Taxonomy
Eotrigonia was named by Cossmann (1912) [Sepkoski's age data: T Than T Mi-u Sepkoski's reference number: 530]. It is not extant.
It was assigned to Trigoniidae by Cox (1952); and to Trigonioida by Sepkoski (2002).
It was assigned to Trigoniidae by Cox (1952); and to Trigonioida by Sepkoski (2002).
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.
G. †Eotrigonia Cossmann 1912
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†Eotrigonia semiundulata Jenkins 1865
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†Trigonia semiundulata granosa Pritchard 1903
†Trigonia semiundulata lutosa Pritchard 1903
Invalid names: Trigonia subundulata Jenkins 1865 [synonym]
†Eotrigonia tubulifera Tate 1885
Diagnosis
No diagnoses are available