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Caenolophus promissus

Mammalia - Perissodactyla

Taxonomy
Caenolophus promissus was named by Matthew and Granger (1925). Its type specimen is AMNH 20297, a maxilla, and it is a 3D body fossil. Its type locality is Ula Usu, Shara Murum (AMNH), which is in an Eocene terrestrial sandstone/claystone in the Shara Murum Formation of China. It is the type species of Caenolophus.

Sister species lacking formal opinion data
C. makii, C. proficiens

Synonymy list
YearName and author
1925Caenolophus promissus Matthew and Granger

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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
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
—Tapiromorpha(Haeckel 1873)
—Ceratomorpha(Wood 1937)
superfamilyRhinocerotoidea
genusCaenolophus
speciespromissus

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.

†Caenolophus promissus Matthew and Granger 1925
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingsubo
Diet: browsersubo
Reproduction: viviparoussubc
Created: 2005-08-31 15:03:12
Modified: 2005-08-31 17:03:12
Source: subo = suborder, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Hendy et al. 2009, Ji et al. 2002, Colbert and Schoch 1998, Lillegraven 1979

Age range: Middle Eocene or 47.80000 to 37.71000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Sharamurunian56.0 - 37.71China (Henan) Caenolophus promissus (42162)
Sharamurunian56.0 - 37.71China (Shanxi) Caenolophus promissus (42197)
Middle Eocene47.8 - 37.71China (Nei Mongol) Caenolophus promissus (174721 type locality: 174962)