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Heterocetus brevifrons

Mammalia - Cetacea - Cetotheriidae

Taxonomy
Cetotherium brevifrons was named by Van Beneden (1872) [no type specimen listed by Van Beneden (1872)]. It is a 3D body fossil. Its type locality is Anvers, which is in a Miocene/Pliocene marine horizon in Belgium.

It was recombined as Cetotherium (Plesiocetopsis) brevifrons by Brandt (1873); it was recombined as Cetotherium (Heterocetus) brevifrons by Newton (1891); it was recombined as Plesiocetus brevifrons by Van Deinse (1931); it was considered a nomen dubium by Steeman (2010); it was recombined as Heterocetus brevifrons by Vanden Broeck (1874), Van Beneden (1880), Roger (1887), Trouessart (1898), Abel (1901), Trouessart (1904), Kellogg (1931) and Hampe and Ritsche (2011).

Synonymy list
YearName and author
1872Cetotherium brevifrons Van Beneden p. 17
1873Cetotherium (Plesiocetopsis) brevifrons Brandt p. 145
1874Heterocetus brevifrons Vanden Broeck p. 198
1880Heterocetus brevifrons Van Beneden p. 22
1887Cetotherium brevifrons Lydekker p. 46
1887Heterocetus brevifrons Roger p. 28
1891Cetotherium (Heterocetus) brevifrons Newton p. 64
1898Heterocetus brevifrons Trouessart p. 1075
1901Heterocetus brevifrons Abel p. 42
1904Heterocetus brevifrons Trouessart p. 781
1931Heterocetus brevifrons Kellogg p. 313
1931Plesiocetus brevifrons Van Deinse p. 125
2011Heterocetus brevifrons Hampe and Ritsche p. 101

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Theriamorpha(Rowe 1993)
RankNameAuthor
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
—Whippomorpha
orderCetacea
—Pelagiceti
—Neoceti
suborderMysticeti
—Chaeomysticeti()
familyCetotheriidae()
genusHeterocetus
speciesbrevifrons()

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.

†Heterocetus brevifrons Van Beneden 1872
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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: base of the Langhian to the top of the Gelasian or 15.97000 to 1.80600 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Langhian15.97 - 13.82Netherlands (Gelderland) Plesiocetus brevifrons (32040)
Serravallian13.82 - 11.62Netherlands Heterocetus brevifrons, Plesiocetus brevifrons (75152)
Tortonian11.62 - 7.246Belgium (Flanders) Heterocetus brevifrons (67026)
Late/Upper Miocene11.608 - 5.333Netherlands Plesiocetus brevifrons (53889)
Late/Upper Miocene - Late/Upper Pliocene11.608 - 2.588Belgium (Antwerpen) Cetotherium brevifrons (type locality: 47465)
Pliocene5.333 - 2.588Belgium Cetotherium brevifrons (49404)
Gelasian2.588 - 1.806United Kingdom (England) Cetotherium brevifrons (48093)