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Allactaga fru

Mammalia - Rodentia - Dipodidae

Taxonomy
Allactaga fru was named by Nesin and Kovalchuk (2017). Its type specimen is NMNHU-P 41/5549, a tooth (l M1), and it is a 3D body fossil. Its type locality is Frunzovka-2, which is in a MN 14 terrestrial siliciclastic in Ukraine.

Sister species lacking formal opinion data

Synonymy list
YearName and author
2017Allactaga fru Nesin and Kovalchuk p. 3

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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
EuarchontogliresMurphy et al. 2001
GliriformesWyss and Meng 1996
Glires()
Simplicidentata()
orderRodentiaBowdich 1821
infraorderMyodontaSchaub 1958
superfamilyDipodoideaFischer 1817
familyDipodidaeWaterhouse 1842
genusAllactagaCuvier 1836
speciesfru

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.

Allactaga fru Nesin and Kovalchuk 2017
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Diagnosis
ReferenceDiagnosis
V. Nesin and O. Kovalchuk 2017A small-sized Allactaga which differs from other extinct and extant species of this genus in the following unique combination of characters: (1) the anterior part of the M1 crown is wider than the main portion of the tooth due to the strong development of anterostyle, anteroloph, and anterocone; (2) the labial arm of the posteroloph is well developed; (3) strongly developed paracone connected with mesocone and mesostyle; (4) metaconid of m1 is isolated on the unworn teeth; (5) entoconid and mesostylid are also sepa- rated; (6) the presence of one major anterior cusp on P4, completely isolated from the posterior ridge (which is arc-shaped).