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Eucetotherium helmersenii

Mammalia - Cetacea

Taxonomy
Cetotherium helmersenii was named by Brandt (1871) [GMSPGGI, nos. 5-114-a, 5-114-b, 36-5, 36-6, 36-7, 36-10, 36-11, 36-12: incomplete skull (fragments); 6-114: afragment of the left mandibular ramus; 11-114, 12-114, 13-114, 20-114]. Its type specimen is SPMI GG 5–7/114, 10–13/114 and is a 3D body fossil. Its type locality is Kuchugury, which is in a Sarmatian marine horizon in the Russian Federation.

It was recombined as Cetotherium (Eucetotherium) helmersenii by Kellogg (1931); it was recombined as Vampalus helmerseni by Tarasenko and Lopatin (2012); it was recombined as Eucetotherium helmersenii by Goldin and Startsev (2014), Gol'din and Steeman (2015), Goldin and Startsev (2017).

Synonymy list
YearName and author
1871Cetotherium helmersenii Brandt p. 563
1873Cetotherium helmersenii Brandt p. 95
1898Cetotherium helmersenii Trouessart p. 1070
1904Cetotherium helmerseni Trouessart p. 779
1931Cetotherium (Eucetotherium) helmersenii Kellogg p. 310
1938Cetotherium helmersenii Abel p. 7
2012Vampalus helmerseni Tarasenko and Lopatin p. 625
2014Eucetotherium helmersenii Goldin and Startsev p. 419 figs. Figure 13
2015Eucetotherium helmersenii Gol'din and Steeman p. 13 figs. Figure 10
2017Eucetotherium helmersenii Goldin and Startsev figs. Table 1

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Eugnathostomata
—Teleostomi(Bonaparte 1836)
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
RankNameAuthor
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
—Whippomorpha
orderCetacea
—Pelagiceti
—Neoceti
suborderMysticeti
—Chaeomysticeti()
subfamilyCetotheriidae()
genusEucetotherium()
specieshelmersenii()

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatitesubo
Form: roller-shapedo
Ontogeny: modification of partso
Environment: marinesubo
Locomotion: actively mobileo
Life habit: aquaticsubo
Depth habitat: surfaceo
Diet: carnivoresubo
Diet 2: suspension feedersubo
Reproduction: viviparouso
Created: 2005-03-06 14:20:41
Modified: 2005-03-06 16:34:40
Source: subo = suborder, o = order
Reference: Uhen 2004

Age range: Sarmatian or 12.80000 to 11.63000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Sarmatian12.8 - 11.63Russian Federation (Krasnodar) Cetotherium helmersenii (type locality: 85297)