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Agerina
Taxonomy
Agerina was named by Tjernvik (1956) [Sepkoski's age data: O Trem O Cara-l Sepkoski's reference number: 2,378,795]. It is not extant. Its type is Agerina erratica.
It was assigned to Proetida by Sepkoski (2002); and to Leiostegiidae by Jell and Adrain (2002), Zhou and Zhou (2019).
It was assigned to Proetida by Sepkoski (2002); and to Leiostegiidae by Jell and Adrain (2002), Zhou and Zhou (2019).
Species
A. acutilimbata, A. clymene, A. elongata, A. erratica (type species), A. ferrigena, A. parva, A. quadrata
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Agerina Tjernvik |
| 1983 | Hexianella Zhang |
| 1987 | Plesiyuepingia Xiang and Zhou |
| 2002 | Agerina Jell and Adrain p. 338 |
| 2002 | Agerina Sepkoski |
| 2002 | Hexianella Sepkoski |
| 2002 | Plesiyuepingia Sepkoski |
| 2019 | Agerina Zhou and Zhou p. 151 |
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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. †Agerina Tjernvik 1956
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†Agerina acutilimbata Ghobadi Pour et al. 2011
†Agerina clymene Mergl 2006
†Agerina elongata Lu 1975
†Agerina erratica Tjernvik 1956
†Agerina ferrigena Ruzicka 1926
†Agerina parva Xiang and Zhou 1987
†Agerina quadrata Dean 1966
Invalid names: Hexianella Zhang 1983 [synonym], Plesiyuepingia Xiang and Zhou 1987 [synonym]
Diagnosis
No diagnoses are available