Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Imocetus piscatus was named by Bianucci et al. (2013). Its type specimen is ML 1359, a partial skull (rostrum and anterior facial area), and it is a 3D body fossil. Its type locality is Nazare Canyon, which is in a Messinian/Zanclean offshore shelf phosphorite in Portugal.
Synonymy list
Year | Name and author |
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2013 | Imocetus piscatus Bianucci et al. p. 130 figs. Figs. 14-17 |
2016 | Imocetus piscatus Ramassamy p. 398 figs. Figure 17 |
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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.
†Imocetus piscatus Bianucci et al. 2013
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Diagnosis
Reference | Diagnosis | |
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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: Nowak 1991, Uhen 2004 |
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Messinian - Zanclean | Portugal | Imocetus piscatus (type locality: 141841) |