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Atavocricetodon nanoides

Osteichthyes - Rodentia - Cricetidae

Taxonomy
Atavocricetodon nanoides was named by Freudenthal (1996). It is not extant. Its type specimen is DCTUZ OLA4-28, a tooth (m1 inf. sin.). Its type locality is Olalla 4A, which is in an Oligocene terrestrial horizon in Spain.

Synonymy list
YearName and author
1996Atavocricetodon nanoides Freudenthal p. 13

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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
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
familyCricetidaeFischer von Waldheim 1817
subfamilyEucricetodontinae
genusAtavocricetodon
speciesnanoides

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.

†Atavocricetodon nanoides Freudenthal 1996
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Diagnosis
ReferenceDiagnosis
M. Freudenthal 1996Atavocricetodon of medium size; m1 with generally complete anterolophulid (75%) and metalophulid (75%); ectolophid generally oblique (75%); generally with ectomesolophid (60%); hypoconid hind arm generally present (75%). m2 with or without ectomesolophid (57% / 43%); hypoconid hind arm nearly always absent. m3 generally with ectomesolophid (80%). M1 rarely with complete anterolophule. M2 with high or low protocone-entoloph connection (50% / 50%); lingual border generally concave (65%). M3 with well-developed old entoloph (42% complete).
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingo
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2005-08-26 14:04:46
Modified: 2005-08-26 16:04:46
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Ji et al. 2002, Lillegraven 1979, Hendy et al. 2009, Nowak 1999

Age range: Early/Lower Oligocene or 33.90000 to 27.30000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Oligocene33.9 - 27.3Spain (Aragon) Atavocricetodon nanoides (type locality: 68877)