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Trigonia (Kumatrigonia)
Taxonomy
Kumatrigonia was named as a genus. It is not extant.
It was reranked as Trigonia (Kumatrigonia) by Bychkov (1985).
It was assigned to Trigonia by Bychkov (1985); and to Trigonioida by Sepkoski (2002).
It was reranked as Trigonia (Kumatrigonia) by Bychkov (1985).
It was assigned to Trigonia by Bychkov (1985); and to Trigonioida by Sepkoski (2002).
Subtaxa
Species lacking formal opinion data
Trigonia aliformis, Trigonia bella, Trigonia brevicostata, Trigonia carinata, Trigonia clavigera, Trigonia conradi, Trigonia corderoi, Trigonia costata, Trigonia crebraecostata, Trigonia elongata, Trigonia elongata, Trigonia guadalupae, Trigonia kenti, Trigonia kidugalloensis, Trigonia kuchensis, Trigonia leckenbyi, Trigonia libanotica, Trigonia literata, Trigonia loutfyi, Trigonia migeodi, Trigonia mollesensis, Trigonia nitida, Trigonia proelanza, Trigonia prora, Trigonia stelzneri, Trigonia tenuis, Trigonia trafalgarensis, Trigonia tumida
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. †Trigonia (Kumatrigonia)
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†Kumatrigonia tanourensis Tamura 1959
†Trigonia (Kumatrigonia) nemtinovi Bychkov 1985
†Trigonia (Kumatrigonia) qiaotouensis Lu 1981
Diagnosis
No diagnoses are available