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Megadolodus molariformis

Osteichthyes - Panameriungulata - Proterotheriidae

Discussion

Holotype: A fragmentary left mandible bearing m1, the labial side of p4 and the roots of p3, m2 and m3.

Taxonomy
Megadolodus molariformis was named by McKenna (1956). It is considered to be a form taxon. Its type specimen is UCMP 39270, a mandible, and it is a 3D body fossil. It is the type species of Megadolodus.

Synonymy list
YearName and author
1956Megadolodus molariformis McKenna

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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()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Panperissodactyla
orderPanameriungulata
suborderLitopterna(Ameghino 1889)
familyProterotheriidaeAmeghino 1887
subfamilyMegadolodinae
genusMegadolodus
speciesmolariformis

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.

†Megadolodus molariformis McKenna 1956
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Diagnosis
ReferenceDiagnosis
M. McKenna 1956Easily the largest known Condylarth; depth of jaw twice thet of Phenacodus primaevus and Paulogervaisia mamma and three times that od Didolodus multicuspis. Lower m3 estimated 20 percent larger than that of Paulogervaisia inusta, the largest previously known condylarth.
Measurements
partNmean
m2 height116.0
m3 height118.0
Jaw height147.0

Composition: phosphaticsubp
Body mass source: publishedg
Environment: terrestrialg
Locomotion: actively mobilec
Life habit: ground dwellingg
Diet: frugivoreg
Reproduction: viviparoussubc
Created: 2013-05-28 03:09:39
Modified: 2013-05-27 12:09:39
Source: g = genus, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Lillegraven 1979, Cifelli and Villarroel 1997, Hendy et al. 2009, Ji et al. 2002

Age range: base of the Laventan to the top of the Middle Miocene or 13.80000 to 11.63000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Middle Miocene15.98 - 11.63Colombia (Huila) Megadolodus molariformis (232436 232437)
Laventan13.8 - 11.0Colombia (Huila) Megadolodus molariformis (133693 186608 186675 187888 188018)