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Taxonomy
Trigonocercella was named by Hintze (1953) [Sepkoski's age data: O Aren-l Sepkoski's reference number: 795]. It is not extant. Its type is Trigonocercella acuta.
It was assigned to Asaphidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
It was assigned to Asaphidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
Species
T. acuta (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Trigonocercella Hintze p. 239 |
| 2002 | Trigonocercella Jell and Adrain p. 455 |
| 2002 | Trigonocercella 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.
Diagnosis
No diagnoses are available