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Megacricetodon andrewsi

Mammalia - Rodentia - Cricetidae

Taxonomy
Megacricetodon andrewsi was named by Pelaez-Campomanes and Daams (2002) [University of Athens (AMPG) collection]. Its type specimen is AMPG PSL-217, a tooth (M1 sup. dext.), and it is a 3D body fossil. Its type locality is Pasalar, which is in a MN 5 fluvial siltstone/sandstone in Turkey.

Sister species lacking formal opinion data
M. bezianensis, M. germanicus, M. roussillonensis, M. schaubi, M. yenicekentensis

Synonymy list
YearName and author
2002Megacricetodon andrewsi Pelaez-Campomanes and Daams p. 127 figs. Fig. 2A

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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
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
infraorderMyodontaSchaub 1958
superfamilyMuroideaIlliger 1811
—Eumuroida
familyCricetidaeFischer von Waldheim 1817
subfamilyCricetodontinaeStehlin and Schaub 1951
genusMegacricetodon()
speciesandrewsi

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.

†Megacricetodon andrewsi Pelaez-Campomanes and Daams 2002
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Diagnosis
ReferenceDiagnosis
P. Pelaez-Campomanes and R. Daams 2002A Megacricetodon species of medium size with incompletely bilobed anterocone of M1, medium−sized to long mesolophs in M1–2 and short mesolophids in m1–2. The upper molars of M. andrewsi sp. nov. from Paşalar are slightly smaller than those of M. similis Fahlbusch, 1964 from the Upper Aragonian of Giggenhausen (south Germany), but the lower molars are of the same size and morphology. More outstanding differences between these two assemblages are: M1 of M. andrewsi sp. nov. never has a labial spur of the nterolophule, whereas this feature is frequent in M. similis from Giggenhausen, and the presence of a well−developed posterior spur of the paracone is rare in M1–2 of M. andrewsi sp. nov., while it is present in most of the specimens from Giggenhausen. Megacricetodon andrewsi sp. nov. differs from M. rafaeli Daams and Freudenthal, 1988 from the Spanish MN6 sites Armantes 7, Valalto 2B and Valalto 2C by its significantly larger size and its shorter mesolophids in m1–2.