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Lainodon ragei

Mammalia - Zhelestidae

Taxonomy
Lainodon ragei was named by Gheerbrant and Astibia (2012). Its type specimen is L1AT 15, a tooth (right dP/5), and it is a 3D body fossil. Its type locality is Laño L1A, which is in a Campanian coastal sandstone/siltstone in the Vitoria Formation of Spain.

Synonymy list
YearName and author
2012Lainodon ragei Gheerbrant and Astibia p. 540

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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
RankNameAuthor
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
familyZhelestidaeNessov 1990
subfamilyLainodontinae
genusLainodon
speciesragei

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.

†Lainodon ragei Gheerbrant and Astibia 2012
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Diagnosis
ReferenceDiagnosis
E. Gheerbrant and H. Astibia 2012Zhelestid most closely related to Lainodon (L. orueetxebarriai) and Labes (L. garimondi and L. quintanillensis). Closer to Lainodon than to Labes in the mesially canted trigonid, the better developed postmetacristid, the shorter talonid, and the larger protoconid (e.g., with respect to trigonid lingual cusps). Significantly smaller than Lainodon orueetxebarriai and Labes garimondi. Differs additionally from Lainodon orueetxebarriai by the less developed bunodonty, a more elongated metaconid that is more deeply separated from the protoconid, and a weaker postmetacristid. The dP5/ shows no or weak metacingulum and postmetacrista, the latter being reduced to an inflated and short disto-labial metastylar crest which is separated from the metacone by a notch.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: insectivoresubc
Reproduction: viviparoussubc
Created: 2005-09-06 20:43:42
Modified: 2005-09-06 22:44:32
Source: subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Ji et al. 2002, Carroll 1988, Hendy et al. 2009

Age range: Late/Upper Campanian or 83.50000 to 70.60000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.5 - 70.6Spain (Castilla y Leon) Theria indet. A (type locality: 28406)