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Eotrinucleus
Taxonomy
Eotrinucleus was named by Zhou and Zhang (1978) [Sepkoski's age data: O Trem-l]. It is not extant.
It was assigned to Trinucleidae by Peng (1992); to Asaphida by Sepkoski (2002); and to Harpetidae by Jell and Adrain (2002).
It was assigned to Trinucleidae by Peng (1992); to Asaphida by Sepkoski (2002); and to Harpetidae by Jell and Adrain (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1978 | Eotrinucleus Zhou and Zhang |
| 1992 | Eotrinucleus Peng |
| 2002 | Eotrinucleus Jell and Adrain p. 471 |
| 2002 | Eotrinucleus 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