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Taxonomy
Phoca gaudini was named by Guiscardi (1870). Its type specimen is MSNUN123, a partial skull (jaw with 2 lower molars), and it is a 3D body fossil. Its type locality is Chietino, which is in an Aquitanian marine horizon in Italy.
It was recombined as Monachus (Pristiphoca) gaudini by Trouessart (1898), Trouessart (1904); it was recombined as Monotherium gaudini by Kellogg (1922), Berta et al. (2015); it was recombined as Noriphoca gaudini by Dewaele et al. (2018), Berta et al. (2022), Rule and Park (2024).
It was recombined as Monachus (Pristiphoca) gaudini by Trouessart (1898), Trouessart (1904); it was recombined as Monotherium gaudini by Kellogg (1922), Berta et al. (2015); it was recombined as Noriphoca gaudini by Dewaele et al. (2018), Berta et al. (2022), Rule and Park (2024).
Synonymy list
| Year | Name and author |
|---|---|
| 1870 | Phoca gaudini Guiscardi p. 207 |
| 1898 | Monachus (Pristiphoca) gaudini Trouessart p. 380 |
| 1904 | Monachus (Pristiphoca) gaudini Trouessart p. 283 |
| 1922 | Monotherium gaudini Kellogg p. 113 |
| 2015 | Monotherium gaudini Berta et al. p. 3 figs. Table 1 |
| 2018 | Noriphoca gaudini Dewaele et al. p. 7 figs. Fig. 1, 2 |
| 2022 | Noriphoca gaudini Berta et al. p. 7 figs. Table 1 |
| 2024 | Noriphoca gaudini Rule and Park p. 10 figs. Table 2 |
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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.
†Noriphoca gaudini Guiscardi 1870
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. Dewaele et al. 2018 | Large phocid, comparable in size to the leopard seal, Hydrurga leptonyx. Stem phocid, but still yielding typically monachine characters in having: an ascending process of the premaxilla that is (at least partially) within the nasal cavity and not visible laterally; roots of incisors not (or only weakly) laterally compressed. The anterior termination of the maxillary process of the jugal is located lateral to the infraorbital foramen, which is shared with extinct Monachinae (Acrophoca longirostris, Hadrokirus martini, Homiphoca capensis and Piscophoca pacifica) and the extant Monachinae Mirounga. In the phylogenetic analysis, the identification of Noriphoca gaudini as a separate taxon is supported by one unequivocal autapomorphy: the ventral edge of the zygomatic arch is level with the alveolar plane. Furthermore, the skull of N. gaudini differs from all other Monachinae by the presence of three upper incisors, and a paracone on the postcanine teeth that is low. |
Measurements
No measurements are available
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| Source: f = family, c = class, uc = unranked clade | |||||
| References: Gingerich 2003, Carreño and Cronin 1993, Hendy et al. 2009, Nowak 1991 | |||||
Age range: Aquitanian or 23.04000 to 20.45000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aquitanian | Italy (Abruzzo) | Phoca gaudini (type locality: 153678) |