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Triangulaspis
Taxonomy
Triangulaspis was named by Lermontova (1940) [Sepkoski's age data: ]. It is not extant.
It was assigned to Ellipsocephalidae by Jell and Adrain (2002); and to Agnostida by Sepkoski (2002).
It was assigned to Ellipsocephalidae by Jell and Adrain (2002); and to Agnostida by Sepkoski (2002).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Triangulaspis Lermontova |
| 1953 | Angustaeva Hupé |
| 1965 | Triangulina Repina |
| 1976 | Acutaspis Repina |
| 2002 | Triangulaspis Jell and Adrain p. 454 |
| 2002 | Angustaeva Sepkoski |
| 2002 | Triangulaspis Sepkoski |
| 2002 | Triangullina 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.
G. †Triangulaspis Lermontova 1940
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Invalid names: Acutaspis Repina 1976 [synonym], Angustaeva Hupé 1953 [synonym], Triangulina Repina 1965 [synonym]
Diagnosis
No diagnoses are available