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Taxonomy
Atocetus was named by Muizon (1988) [Sepkoski's age data: T Mi-m Sepkoski's reference number: 1066]. It was considered monophyletic by Geisler et al. (2011).
It was assigned to Cetacea by Sepkoski (2002); to Pithanodelphinae by de Muizon (1988), Ichishima et al. (1995), Dawson (1996), Cozzuol (1996), Fordyce and de Muizon (2001) and Kazár et al. (2004); to Kentriodontidae by Muizon (1988), Benton (1993), McKenna and Bell (1997) and Uhen et al. (2008); to Pithanodelphininae by Whitmore and Kaltenbach (2008) and Marx et al. (2016); to Delphinida by Geisler et al. (2011) and Peredo et al. (2018); and to Lophocetidae by Guo and Kohno (2023).
It was assigned to Cetacea by Sepkoski (2002); to Pithanodelphinae by de Muizon (1988), Ichishima et al. (1995), Dawson (1996), Cozzuol (1996), Fordyce and de Muizon (2001) and Kazár et al. (2004); to Kentriodontidae by Muizon (1988), Benton (1993), McKenna and Bell (1997) and Uhen et al. (2008); to Pithanodelphininae by Whitmore and Kaltenbach (2008) and Marx et al. (2016); to Delphinida by Geisler et al. (2011) and Peredo et al. (2018); and to Lophocetidae by Guo and Kohno (2023).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Atocetus Muizon p. 129 figs. Fig. 66 |
| 1988 | Atocetus de Muizon p. 162 |
| 1993 | Atocetus Benton p. 762 |
| 1995 | Atocetus Ichishima et al. p. 487 |
| 1996 | Atocetus Cozzuol p. 326 |
| 1996 | Atocetus Dawson p. 132 |
| 1997 | Atocetus McKenna and Bell p. 388 |
| 2001 | Atocetus Fordyce and de Muizon p. 179 |
| 2002 | Atocetus Sepkoski |
| 2004 | Atocetus Kazár et al. p. 179 |
| 2008 | Atocetus Uhen et al. p. 587 |
| 2008 | Atocetus Whitmore and Kaltenbach p. 207 |
| 2011 | Atocetus Geisler et al. p. 6 figs. Table 1 |
| 2016 | Atocetus Marx et al. p. 134 |
| 2018 | Atocetus Peredo et al. p. 16 figs. Figure 10 |
| 2023 | Atocetus Guo and Kohno p. 5 |
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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. †Atocetus Muizon 1988
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†Atocetus iquensis Muizon 1988
†Atocetus nasalis Barnes 1985
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| Reference: Uhen 2004 | |||||
Age range: base of the Aquitanian to the top of the Tortonian or 23.03000 to 7.24600 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aquitanian - Langhian | USA (North Carolina) | A. sp. (48887) | |
| Tortonian | USA (California) | A. nasalis (13300 225292 225297 225299) Pithanodelphis nasalis (45462) | |
| Late/Upper Miocene | USA (California) | Pithanodelphis nasalis (45463) | |
| Late/Upper Miocene | Peru (Ica) | A. iquensis (45487) |