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Teleolophus medius

Osteichthyes - Perissodactyla - Tapiridae

Taxonomy
Teleolophus medius was named by Matthew and Granger (1925).

Sister species lacking formal opinion data
T. magnum

Synonyms
  • Deperetella ferganica was named by Belyaeva (1962). Its type specimen is PIN 1996-1, a tooth, and it is a 3D body fossil. Its type locality is Andarak 1, which is in a Ypresian marine horizon in the Alai Beds Formation of Kyrgyzstan.

    It was synonymized subjectively with Teleolophus medius by Averianov and Godinot (2005).
  • Teleolophus beliajevi was named by Biryukov (1974) [nomen nudum in Didenko-Kislitsina et al. 1971 and Kozhamklulova and Olovskaya 1971]. Its type specimen is KAN 48471/68-4, a maxilla (left maxillary fragment with P1-M3), and it is a 3D body fossil. Its type locality is Shinzhaly, which is in an Irdinmanhan terrestrial mudstone in the Kolpak Formation of Kazakhstan.

    It was recombined as Pachylophus beliajevi by Tong and Lei (1984); it was synonymized subjectively with Teleolophus medius by Lucas et al. (1997).
Synonymy list
YearName and author
1925Teleolophus medius Matthew and Granger
1962Deperetella ferganica Belyaeva
1974Teleolophus beliajevi Biryukov pp. 78-81 figs. 1, p. 80
1984Pachylophus beliajevi Tong and Lei
1997Teleolophus medius Lucas et al. p. 242

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
RankNameAuthor
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
—Tapiromorpha(Haeckel 1873)
—Ceratomorpha(Wood 1937)
superfamilyTapiroideaGill 1872
familyTapiridae()
genusTeleolophusMatthew and Granger 1925
speciesmediusMatthew and Granger 1925

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.

†Teleolophus medius Matthew and Granger 1925
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Invalid names: Deperetella ferganica Belyaeva 1962 [synonym], Teleolophus beliajevi Biryukov 1974 [synonym]
Diagnosis
ReferenceDiagnosis
M. D. Biryukov 1974 (Teleolophus beliajevi)Robust species within the genus Teleolophus. Upper premolars P2-P4 with a closed depression. Metaloph and protoloph are connected lingual and form together one cusp, the metacone. Metaloph of upper P2-P4 is perpendicularly orientated to the ectoloph. On the molars the paracone is high, much higher than the other cusps. Protoloph and metaloph lay in an angle of 5-10° to the ectoloph and slightly turn to the back side of the tooth. Cingulum (russian: "Vorotnichok"=collar) of the premolars and molars is well developed, especially on the lingual sides of the crowns.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: browserf
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-22 20:13:37
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Ji et al. 2002, Hendy et al. 2009, Nowak 1991, Carroll 1988

Age range: base of the Ypresian to the top of the Early/Lower Oligocene or 56.00000 to 27.30000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Ypresian56.0 - 48.07Kyrgyzstan (Osh) Deperetella ferganica (174761) Teleolophus medius (28490)
Irdinmanhan56.0 - 37.71Kazakhstan Teleolophus beliajevi (53657)
Middle Eocene48.07 - 37.71China (Nei Mongol) Teleolophus medius (28792)
Middle Eocene48.07 - 37.71China (Yunnan) Teleolophus medius (36668)
Early/Lower Oligocene33.9 - 27.3China (Nei Mongol) Teleolophus medius (174915)