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Volaticotherium antiquus

Mammalia - Eutriconodonta - Triconodontidae

Taxonomy
Volaticotherium antiquus was named by Meng et al. (2006). Its type specimen is IVPP V14739, a skeleton (squashed skeleton preserved in the part and counterpart), and it is a compression fossil. Its type locality is Daohugou, which is in a Callovian lacustrine - large shale/tuff in the Tiaojishan Formation of China. It is the type species of Volaticotherium.

Synonymy list
YearName and author
2006Volaticotherium antiquus Meng et al. p. 889 figs. Fig. 1, 3

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
RankNameAuthor
Amniota
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
orderEutriconodontaKermack et al. 1973
familyTriconodontidaeMarsh 1887
subfamilyAlticonodontinaeFox 1976
tribeVolaticotherini()
genusVolaticotherium
speciesantiquus

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.

Diagnosis
ReferenceDiagnosis
J. Meng et al. 2006A small squirrel-sized mammal that differs from all known Mesozoic mammals in having the following features: presence of a sizable furry patagium; elongated limb bones; femur with a small, ovoid-shaped head that lacks a neck; hallux diverging medially; proximal phalanges with pronounced flexor-sheath ridges; long tail with elongated and dorsoventrally flat caudal vertebrae and haemal arches; a highly differentiated dentition with a dental formula of
I3-C1-P4-M3/I2-C1-P4-M2; incisors small and conical; canines long
and sharp; molariforms with tall, sharp and posteriorly recumbent
cusps that are aligned in line but are deeply separated; cusps of lower molariforms are more posteriorly recumbent and tightly packed than the uppers; cusp d of m1 labially overlapping cusp b of m2
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: volantg
Diet: insectivoreuc
Created: 2009-01-04 11:26:53
Modified: 2009-01-04 13:26:53
Source: g = genus, c = class, subp = subphylum, uc = unranked clade
References: Luo et al. 2003, Carroll 1988, Hopson 1973, Hendy et al. 2009, Meng et al. 2006

Age range: Early/Lower Callovian or 164.70000 to 161.20000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Callovian164.7 - 161.2China (Nei Mongol) Volaticotherium antiquus (type locality: 27891)