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Physeterula dubusi
Taxonomy
Physeterula dubusii was named by Van Beneden (1877) [no type specimen listed in Van Beneden (1877); information on the holotype from Lambert 2008]. Its type specimen is IRSNB M.527, a mandible (a fragmentary skull including rostral fragments of the premaxillae, parts of the supracranial basin and of the basicranium, with the associated mandible and 18 ), and it is a 3D body fossil. Its type locality is Deurne (Fort 1), Deurne Sand, which is in a Tortonian lagoonal sandstone in the Diest Formation of Belgium. It is the type species of Physeterula.
It was recombined as Kogia dubusii by Cope (1890); it was corrected as Physeterula dubusi by Lydekker (1887), Trouessart (1904), Lambert (2008) and Velez-Juarbe et al. (2015).
It was recombined as Kogia dubusii by Cope (1890); it was corrected as Physeterula dubusi by Lydekker (1887), Trouessart (1904), Lambert (2008) and Velez-Juarbe et al. (2015).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1859 | Delphinus acutidens von Meyer |
| 1861 | Delphinus acutidens Meyer |
| 1874 | Physeterula dubusii Vanden Broeck p. 146 |
| 1876 | Orcopsis acutidens Van Beneden p. 489 |
| 1877 | Physeterula dubusii Van Beneden p. 852 |
| 1884 | Orcopsis acutidens Van Beneden p. 9 |
| 1887 | Physeterula dubusi Lydekker p. 54 |
| 1890 | Kogia dubusii Cope p. 608 |
| 1891 | Physeterula dubusii Newton p. 67 |
| 1898 | Beluga acutidens Studer p. 132 |
| 1898 | Physeterula dubusii Trouessart p. 1057 |
| 1904 | Physeterula dubusi Trouessart p. 774 |
| 2002 | Physeterula dubusii Kazár p. 163 |
| 2008 | Physeterula dubusi Lambert p. 293 |
| 2008 | Physeterula dubusii Uhen et al. p. 577 |
| 2015 | Physeterula dubusi Velez-Juarbe et al. p. 15 figs. Fig. 10 |
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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.
†Physeterula dubusi Van Beneden 1877
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Invalid names: Delphinus acutidens von Meyer 1859 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| O. Lambert 2008 | Physeterula dubusi is a large physeteroid with a skull size close to Idiorophus patagonicus and Zygophyseter varolai. It differs from the other physeterids Aulophyseter and Physeter in the retention of functional maxillary teeth, the shorter anterior extension of the supracranial basin, the pre orbital process being at the same vertical level as the dorsolateral margin of the rostrum base, the frontal-maxilla suture less erected in lateral view, and lTIOre numerous dorsal infraorbital foramina. It further differs from Physeter in the maxilla being absent from the dorsal view of the rostrum for more than half its length, the elevated temporal fossa, the mandibular symphysis shorter than half the length of the mandible, and the fact that some of the caudal vertebrae are longer than wide. Finally it differs from Aulophyseter in the robust and shortened postorbital process of the frontal. |