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Taxonomy
Atlanticetus lavei was named by Bisconti et al. (2021). Its type specimen is MPTA 13301, a partial skeleton, and it is a 3D body fossil. Its type locality is Moleto, near, which is in a Burdigalian/Langhian marine sandstone in Italy.
Synonymy list
| Year | Name and author |
|---|---|
| 2021 | Atlanticetus lavei Bisconti et al. figs. Figs. 2-8 |
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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.
†Atlanticetus lavei Bisconti et al. 2021
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Bisconti et al. 2021 | Atlanticetus lavei differs from A. patulus in having the following unique combination of features: endocranial open- ing of the facial canal located almost vertically dorsal to the internal acoustic meatus; a more triangular compound posterior process of periotic and tympanic bulla in posteromedial view (in modern mysticetes the compound posterior process of the tym- panic bulla changes its size during late ontogeny but not its shape; Bisconti 2001 showed that in living balaenopterids the shape of the compound posterior process is approximately the same in newborn and adult specimens but the size changes enor- mously; for these reasons, we do not think that the more trian- gular shape of the compound posterior process of Atlanticetus lavei is due to a younger ontogenetic age); less robust and pachyosteosclerotic dorsal portion of the periotic (it is unclear if this character is due to a younger ontogenetic age of the individ- ual or if it represents a true morphological difference of the spe- cies, thus, for the moment, it is listed as a potential diagnostic trait pending the discovery of more complete material); postero- medial corner of the tympanic bulla rounded (vs pointed); and slightly bilobated (vs straight) posterior border of the tympanic bulla. |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| Reference: Uhen 2004 | |||||
Age range: base of the Burdigalian to the top of the Langhian or 20.45000 to 13.82000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Burdigalian - Langhian | Italy (Alessandria) | Atlanticetus lavei (type locality: 212750) |