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Lophocetus calvertensis

Mammalia - Cetacea - Lophocetidae

Taxonomy
Delphinus calvertensis was named by Harlan (1842). Its type specimen is USNM 16314, a skull, and it is a 3D body fossil. Its type locality is Cove Point, which is in a Tortonian marine horizon in the St Marys Formation of Maryland.

It was recombined as Pontoporia calvertensis by Cope (1866); it was recombined as Lophocetus calvertensis by Cope (1867), Leidy (1869), Van Beneden and Gervais (1880), Roger (1887), Cope (1890), Trouessart (1898), Hay (1902), Trouessart (1904), Case (1904), Eastman (1907), Hay (1930), Kellogg (1955), Barnes (1985), Gottfried et al. (1994), Ichishima et al. (1995), Dawson (1996), Uhen et al. (2008), Peredo et al. (2018), Godfrey and Lambert (2023).

Synonymy list
YearName and author
1842Delphinus calvertensis De Kay p. 136
1842Delphinus calvertensis Harlan pp. 195-196
1854Delphinus calvertensis Leidy p. 8
1866Pontoporia calvertensis Cope p. 297
1867Lophocetus calvertensis Cope p. 146
1869Lophocetus calvertensis Leidy p. 435
1880Lophocetus calvertensis Van Beneden and Gervais p. 512
1887Lophocetus calvertensis Roger p. 24
1890Lophocetus calvertensis Cope p. 606
1898Lophocetus calvertensis Trouessart p. 1022
1902Lophocetus calvertensis Hay p. 590
1904Lophocetus calvertensis Case p. 26
1904Lophocetus calvertensis Trouessart p. 761
1907Lophocetus calvertensis Eastman p. 80
1930Lophocetus calvertensis Hay p. 587
1955Lophocetus calvertensis Kellogg p. 103
1985Lophocetus calvertensis Barnes p. 25
1994Lophocetus calvertensis Gottfried et al. p. 233
1995Lophocetus calvertensis Ichishima et al. p. 487
1996Lophocetus calvertensis Dawson p. 132
2008Lophocetus calvertensis Uhen et al. p. 589
2018Lophocetus calvertensis Peredo et al. p. 16 figs. Figure 10
2023Lophocetus calvertensis Godfrey and Lambert p. 126

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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
RankNameAuthor
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Artiodactylamorpha
Artiodactyla()
Whippomorpha
orderCetacea
Pelagiceti
Neoceti
suborderOdontoceti
infraorderDelphinida
superfamilyKentriodontoideaSlijper 1936
familyLophocetidaeBarnes 1978
genusLophocetus
speciescalvertensis()

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.

Lophocetus calvertensis Harlan 1842
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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: Tortonian or 11.63000 to 7.24600 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Tortonian11.63 - 7.246USA (Maryland) Delphinus calvertensis (type locality: 86500) Lophocetus calvertensis (219172)