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Goniagnostus (Criotypus)
Taxonomy
Criotypus was named by Opik (1979) [Sepkoski's age data: Cm uMid-l Cm uMid-m]. It is not extant.
It was reranked as Goniagnostus (Criotypus) by Öpik (1979); it was reranked as Goniagnostus (Cryotypus) by Westrop et al. (1996).
It was assigned to Goniagnostus by Öpik (1979) and Westrop et al. (1996); and to Agnostida by Sepkoski (2002).
It was reranked as Goniagnostus (Criotypus) by Öpik (1979); it was reranked as Goniagnostus (Cryotypus) by Westrop et al. (1996).
It was assigned to Goniagnostus by Öpik (1979) and Westrop et al. (1996); and to Agnostida by Sepkoski (2002).
Subtaxa
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Criotypus Opik |
| 1979 | Goniagnostus (Criotypus) Öpik p. 145 |
| 1996 | Goniagnostus (Cryotypus) Westrop et al. |
| 2002 | Criotypus 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
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order | |||||
| References: Kiessling 2004, Hendy 2009 | |||||