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Imocetus
Taxonomy
Imocetus was named by Bianucci et al. (2013).
It was assigned to Hyperoodontinae by Ramassamy (2016); to Ziphiinae by Lambert et al. (2013), Bianucci et al. (2013), Marx et al. (2016); to Ziphiidae by Berta (2017); and to Messapicetiformes by Bianucci et al. (2024).
It was assigned to Hyperoodontinae by Ramassamy (2016); to Ziphiinae by Lambert et al. (2013), Bianucci et al. (2013), Marx et al. (2016); to Ziphiidae by Berta (2017); and to Messapicetiformes by Bianucci et al. (2024).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2013 | Imocetus Bianucci et al. p. 124 |
| 2013 | Imocetus Lambert et al. p. 588 figs. FIgure 14 |
| 2016 | Imocetus Marx et al. p. 130 |
| 2016 | Imocetus Ramassamy p. 398 figs. Figure 17 |
| 2017 | Imocetus Berta p. 162 |
| 2024 | Imocetus Bianucci et al. p. 32 |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. Bianucci et al. 2013 | Imocetus piscatus n. gen., n. sp. differs from all other ziphiids in a wide and anteroposteriorly elongated facial depression laterally margined by acute longitudinal maxillary crests, a rostral maxillary crest forming a posterodorsally directed spur, and premaxillary foramen located very posterior to the level of the antorbital notch. Among other ziphiines it further differs from Izikoziphius and Ziphius in the medial fusion of the premaxillae closing the mesorostral groove; it shares with Globicetus n. gen. and Tusciziphius the anterior part of the nasal contacting the premaxillary crest, and the extreme ossification and fusion of the vertex elements, but it differs from Globicetus n. gen. in lacking a large spherical medial premaxillary rostral prominence and in the presence of a distinct antorbital notch. It differs from Tusciziphius in the less transversally expanded vertex (lower width between the premaxillary crests and lower distance between the maxillae posterior to the vertex), and in the posterolateral direction of the right premaxillary crest. It further differs from the possible ziphiine Caviziphius in the less excavated premaxillary sac fossae. |
Measurements
No measurements are available
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| Source: f = family, subo = suborder, o = order | |||||
| References: Uhen 2004, Nowak 1991 | |||||
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Messinian - Zanclean | Portugal | I. piscatus (141841) |