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Lophiodolodus chaparralensis

Mammalia

Discussion

Diagnosis: The specimen is a heavily worn right lower molar, M1; bunodont; enamel thick; four main cusps, opposite, not oblique in position; main cusps worn off so cusp arrangement is difficult to interpret; triangular in outline; apparently bracyo-lophiodont; wide anterior lingual cingulum; protoconid, though worn off , was evidently the largest cusp on the tooth, possibly it was conical and some what isolated, thoug not as much so as in Phenacodus nor as in Didolodus, thus being more of a lophiodont type.

Taxonomy
Lophiodolodus chaparralensis was named by Stirton (1946). It is considered to be a form taxon. Its type specimen is UCMP 37829, a tooth (Right Lower first molar), and it is a 3D body fossil. Its type locality is Chaparral Alto San Jose, which is in a Miocene terrestrial breccia/claystone in the Barzalosa Formation of Colombia.

Synonymy list
YearName and author
1946Lophiodolodus chaparralensis Stirton p. 322 figs. Lamina 85 fig 20
2001Lophiodolodus chaparralensis Domning p. 29

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Eugnathostomata
—Teleostomi(Bonaparte 1836)
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
RankNameAuthor
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
genusLophiodolodusStirton 1947
specieschaparralensis

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilep
Life habit: scansorialuc
Diet: insectivoreuc
Created: 2005-09-06 19:53:51
Modified: 2005-09-07 19:44:02
Source: c = class, subp = subphylum, p = phylum, uc = unranked clade
References: Carroll 1988, Luo et al. 2003, Hopson 1973, Kiessling 2004

Age range: Early/Lower Miocene or 23.04000 to 15.98000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Miocene23.04 - 15.98Colombia (Tolima) Lophiodolodus chaparralensis (type locality: 133440)