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Itatodon

From Wikipedia, the free encyclopedia
Extinct family of mammaliaforms

Itatodon
Temporal range:Bathonian
~167–165 Ma
Scientific classificationEdit this classification
Domain:Eukaryota
Kingdom:Animalia
Phylum:Chordata
Clade:Synapsida
Clade:Therapsida
Clade:Cynodontia
Clade:Mammaliamorpha
Clade:Mammaliaformes
Genus:Itatodon
Lopatin & Averianov, 2005
Species:
I. tatarinovi
Binomial name
Itatodon tatarinovi
Lopatin & Averianov, 2005

Itatodon is an extinct genus of primitivemammaliaforms known from theBathonian agedItat Formation ofRussia. The genus is named after the formation, with the species being named afterLeonid Petrovich Tatarinov who described the first docodontfrom Asia. It is known from aholotype right lower molar[1] and referred isolated right lower molar and fragment of the left lower molar.[2] When it was first described, it was thought to be adocodontan, but one recent phylogenetic studies have assigned it, along with its close relativeParitatodon toShuotheriidae,[3] while others continue to consider it a docodont.

References

[edit]
  1. ^Lopatin, A. V.; Averianov, A. O. (November 2005)."A New Docodont (Docodonta, Mammalia) from the Middle Jurassic of Siberia"(PDF).Doklady Biological Sciences.405 (1–6):434–436.doi:10.1007/s10630-005-0158-y.ISSN 0012-4966.PMID 16485637.S2CID 27755877.
  2. ^Averianov, A. O.; Lopatin, A. V. (December 2006). "Itatodon tatarinovi (Tegotheriidae, Mammalia), a docodont from the Middle Jurassic of Western Siberia and phylogenetic analysis of Docodonta".Paleontological Journal.40 (6):668–677.Bibcode:2006PalJ...40..668A.doi:10.1134/s0031030106060098.ISSN 0031-0301.S2CID 129438779.
  3. ^Wang, Yuan-Qing; Li, Chuan-Kui."Reconsideration of the systematic position of the Middle Jurassic mammaliaforms Itatodon and Paritatodon"(PDF).Palaeontologia Polonica.67:249–256.doi:10.4202/pp.2016.67_249 (inactive 1 November 2024).{{cite journal}}: CS1 maint: DOI inactive as of November 2024 (link)
Synapsida
Cynodontia
    • see below↓
Charassognathidae
Procynosuchidae
Galesauridae
Eucynodontia
Cynognathia
Probainognathia
    • see below↓
Abdalodon diastematicusGalesaurus planiceps
Chiniquodontidae
Probainognathidae
Ecteniniidae
Prozostrodontidae
Tritheledontidae
Mammaliamorpha
Tritylodontidae
Mammaliaformes
    • see below↓
Chiniquodon theotonicus

Riograndia guaibensis

Oligokyphus triserialis
Kuehneotheriidae
Shuotheriidae
Docodonta
Haramiyida
Euharamiyida
Hahnodontidae?
Crown-Mammalia
Morganucodon watsoniDocofossor brachydactylus
See also
Incertae sedis
Paraphyletic /
Polyphyletic groups
Itatodon
Itatodon tatarinovi


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