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Protoxynotus
Taxonomy
Protoxynotus was named by Herman (1975) [Sepkoski's age data: K Camp-u Sepkoski's reference number: 884]. It is not extant. Its type is Protoxynotus misburgensis.
It was assigned to Squaliformes by Sepkoski (2002); and to Somniosidae by Feichtinger et al. (2022), Feichtinger et al. (2022) and Feichtinger et al. (2024).
It was assigned to Squaliformes by Sepkoski (2002); and to Somniosidae by Feichtinger et al. (2022), Feichtinger et al. (2022) and Feichtinger et al. (2024).
Species
P. mayrmelnhofi, P. misburgensis (syn. Palaeomicroides ursulae) (type species)
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Protoxynotus Herman |
| 1993 | Palaeomicroides Thies and Müller p. 97 |
| 2002 | Protoxynotus Sepkoski |
| 2006 | Paraphorosoides Kriwet et al. p. 487 |
| 2022 | Protoxynotus Feichtinger et al. p. 6 |
| 2022 | Protoxynotus Feichtinger et al. p. 13 |
| 2024 | Protoxynotus Feichtinger et al. p. 374 |
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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. †Protoxynotus Herman 1975
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†Protoxynotus mayrmelnhofi Feichtinger et al. 2022
†Protoxynotus misburgensis Herman 1975
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Invalid names: Palaeomicroides ursulae Thies and Müller 1993 [synonym]
Invalid names: Paraphorosoides Kriwet et al. 2006 [synonym]
Diagnosis
No diagnoses are available