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Ankylorhiza tiedemani
Taxonomy
Squalodon tiedemani was named by Allen (1887). Its type specimen is AMNH 10445, a maxilla, and it is a 3D body fossil. Its type locality is Wando River, which is in a Rupelian coastal horizon in the Ashley Formation of South Carolina. It is the type species of Ankylorhiza.
It was corrected as Squalodon tiedmanni by Trouessart (1904); it was considered a nomen dubium by Dal Piaz (1916); it was considered a nomen dubium by Dooley (2003); it was recombined as Ankylorhiza tiedemani by Boessenecker et al. (2020).
It was corrected as Squalodon tiedmanni by Trouessart (1904); it was considered a nomen dubium by Dal Piaz (1916); it was considered a nomen dubium by Dooley (2003); it was recombined as Ankylorhiza tiedemani by Boessenecker et al. (2020).
Synonymy list
| Year | Name and author |
|---|---|
| 1887 | Squalodon tiedemani Allen p. 35 figs. Plates V & VI |
| 1898 | Squalodon tiedmanni Trouessart p. 1015 |
| 1902 | Squalodon tiedemani Hay p. 589 |
| 1904 | Squalodon tiedmanni Trouessart p. 756 |
| 1923 | Squalodon tiedemani Kellogg p. 34 |
| 1930 | Squalodon tiedemani Hay p. 581 |
| 1972 | Squalodon tiedemani Boreske et al. p. 136 |
| 1994 | Squalodon tiedemani Gottfried et al. p. 233 |
| 2008 | Squalodon tiedemani Uhen et al. p. 583 |
| 2020 | Ankylorhiza tiedemani Boessenecker et al. p. 1 figs. Fig. 1 |
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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.
†Ankylorhiza tiedemani Allen 1887
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. W. Boessenecker et al. 2020 | Ankylorhiza differs from all crown Odontoceti in possessing some double-rooted teeth, prominent intertemporal constriction, and widely open mesorostral gutter along the entire length of the rostrum. |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| Reference: Uhen 2004 | |||||
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rupelian | USA (South Carolina) | Squalodon tiedemani (type locality: 55520) | |
| Chattian | USA (South Carolina) | Ankylorhiza tiedemani (97550) | |
| Aquitanian - Langhian | USA (North Carolina) | Squalodon tiedemani (48887) |