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Brandtocetus
Taxonomy
Brandtocetus was named by Goldin and Startsev (2014). It was considered monophyletic by Goldin and Startsev (2014).
It was assigned to Cetotheriinae by Goldin and Startsev (2017); and to Cetotheriidae by Goldin and Startsev (2014), Gol'din and Steeman (2015), Marx and Fordyce (2015), Marx et al. (2016), Berta (2017) and Gol'din (2018).
It was assigned to Cetotheriinae by Goldin and Startsev (2017); and to Cetotheriidae by Goldin and Startsev (2014), Gol'din and Steeman (2015), Marx and Fordyce (2015), Marx et al. (2016), Berta (2017) and Gol'din (2018).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2014 | Brandtocetus Goldin and Startsev p. 420 |
| 2015 | Brandtocetus Gol'din and Steeman p. 13 figs. Figure 10 |
| 2015 | Brandtocetus Marx and Fordyce p. 4 figs. Figure 2 |
| 2016 | Brandtocetus Marx et al. p. 22 figs. Figure 10 |
| 2017 | Brandtocetus Berta p. 168 |
| 2017 | Brandtocetus Goldin and Startsev |
| 2018 | Brandtocetus Gol'din p. 23 figs. Fig. 14 |
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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.
G. †Brandtocetus Goldin and Startsev 2014
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†Brandtocetus chongulek Goldin and Startsev 2014
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. Goldin and D. Startsev 2014 | A cetotheriid whale approximately 4–5 m long differing from all cetotheriids (in which the diagnostic traits have been preserved) by having a transversely expanded lateral portion of the squamosal; a rhomboid temporal fossa; an occipital shield extending anterior to the center of the temporal fossa; and an elongated posterior process of the tympanoperiotic with a proximodistally extended, and distally expanded, distal portion exposed as an oval surface on the posterolateral skull wall. Differs from all cetotheriids except Kurdalagonus mchedlidzei by having a strongly curved ‘S’-shaped nuchal crest. Differs from Kurdalagonus mchedlidzei by having a high nuchal crest and external occipital crest; nuchal crest not overhanging the temporal fossa; a squamosal and parietal bone transversely bulging into the temporal fossa; high basioccipital crest; and a quadrangular anterior process of the periotic (not extremely transversely compressed and double-bladed, as in Kurdalagonus). Differs from ‘Cetotherium’ mayeri and Kurdalagonus adygeicus by having a postglenoid process distally squared in posterior view; a main ridge of the tympanic bulla that is not swollen; and a high ante- rior portion of the involucrum. Differs from Kurdalagonus (‘Cetotherium’) maicopicus by having a posteriorly extended paroccipital process, and a medial lobe of the tympanic bulla without a swelling. Differs from Cetotherium rathkii and Cetotherium riabinini by having a tympanic bulla gradually tapering anteriorly in medial view, a high nuchal crest, and an external occipital crest. Differs from Eucetotherium helmersenii by having ascending processes of the maxillae closely approximating each other; shorter nasals; a short and wide temporal fossa; and a proximodistally extended (not plug-like) ‘cetotheriine’ posterior process of the tympanoperiotic. Differs from all cetotheriids (except the above-mentioned) by having a robust and dorsoventrally high zygomatic process of the squamosal bone. |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| Reference: Uhen 2004 | |||||