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Squalodon servatus

Mammalia - Cetacea - Squalodontidae

Taxonomy
Arionius servatus was named by Meyer (1841) [Kellog (1923) states that the type specimen is in the Wurttemb. Naturalien Sammlung at Stuttgart, Germany.]. It is a 3D body fossil. Its type locality is Baltringen, which is in a Burdigalian marine horizon in Germany.

It was replaced with Squalodon meyeri by Brandt (1874), Roger (1887); it was considered a nomen dubium by Dal Piaz (1916); it was recombined as Squalodon servatus by Van Beneden and Gervais (1880), Zittel (1894), Studer (1898), Trouessart (1898), Trouessart (1904), Rothausen (1968), Symeonidis et al. (2004), Nelson et al. (2025), Nelson et al. (2025).

Sister species lacking formal opinion data
S. grateloupii

Synonymy list
YearName and author
1841Arionius servatus Meyer p. 315
1853Arionius servatus Bronn p. 761
1853Arionius servatus Pictet p. 383
1858Arionius servatus Meyer
1873Arionius servatus Scott p. 67
1880Squalodon servatus Van Beneden and Gervais pp. 438-439
1894Squalodon servatus Zittel p. 170
1898Squalodon servatus Studer p. 131
1898Squalodon servatus Trouessart p. 1011
1904Squalodon servatus Trouessart p. 755
1923Arionius servatus Kellogg p. 31
1968Squalodon servatus Rothausen p. 91 figs. Table 1
2004Squalodon servatus Symeonidis et al. p. 319 figs. Table 2
2025Squalodon servatus Nelson et al. p. 7

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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
RankNameAuthor
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
—Whippomorpha
orderCetacea
—Pelagiceti
—Neoceti
suborderOdontoceti
familySqualodontidae
genusSqualodon
speciesservatus()

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.

†Squalodon servatus Meyer 1841
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatitesubo
Form: roller-shapedo
Ontogeny: modification of partso
Environment: marine, freshwatersubo
Locomotion: actively mobileo
Life habit: aquatico
Depth habitat: surfaceo
Diet: carnivoresubo
Reproduction: viviparoussubo
Created: 2005-03-06 14:21:39
Modified: 2005-09-22 15:42:08
Source: subo = suborder, o = order
Reference: Uhen 2004

Age range: Burdigalian or 20.45000 to 15.98000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Burdigalian20.45 - 15.98Germany Arionius servatus (type locality: 47425)