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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 |
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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
Measurements
No measurements are available
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Source: f = family, o = order, c = class | |||||
References: Aberhan et al. 2004, Whittington et al. 1997, Hendy et al. 2009 |
Age range: base of the Atdabanian to the top of the Botomian or 521.00000 to 512.90000 Ma
Collections (6 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Atdabanian | Russian Federation (Siberia) | T. lermontovae, T. annio (96839) T. sp. (56855 232892) | |
Botomian | Russian Federation (Yakutia) | T. sp. (174246 232979) | |
Botomian | Russian Federation | T. lermontovae, T. annio (233047) |