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Taxonomy
Herpetocetus morrowi was named by El Adli et al. (2014). Its type specimen is UCMP 129450, a partial skeleton (nearly complete skull including both tympanic bullae, both petrosals, a right malleus, a nearly complete left dentary, ten associated vertebrae including the at), and it is a 3D body fossil. Its type locality is Texas Street 1, which is in a Piacenzian offshore shelf horizon in the San Diego Formation of California.
Synonymy list
| Year | Name and author |
|---|---|
| 2014 | Herpetocetus morrowi El Adli et al. p. 404 figs. Figs. 1-36 |
| 2015 | Herpetocetus morrowi Gol'din and Steeman p. 13 figs. Figure 10 |
| 2015 | Herpetocetus morrowi Marx and Fordyce p. 4 figs. Figure 2 |
| 2016 | Herpetocetus morrowi Marx et al. p. 22 figs. Figure 10 |
| 2018 | Herpetocetus morrowi Tanaka et al. p. 302 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.
†Herpetocetus morrowi El Adli et al. 2014
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. J. El Adli et al. 2014 | A species of Herpetocetus with premaxillary emi- nences that dorsally overlap the maxilla, with a facial nerve sulcus on the posterior process of the petrosal that is completely enclosed to form a facial nerve canal, with a distinct notch for the lingual nerve posteroventral to the mandibular foramen on the dentary (autapomorphies of H. morrowi).
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Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| Reference: Uhen 2004 | |||||
Age range: Piacenzian or 3.60000 to 2.58000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Piacenzian | USA (California) | Herpetocetus morrowi (55701 152256 152909 154110 type locality: 154153 154154 154155 154156 154157 154690 154930 154931 154932 154933 154934 154935 154938 154939) |