Research output: Contribution to journal › Article › peer-review
Docodontans from the Lower Cretaceous of Yakutia, Russia: new insights into diversity, morphology, and phylogeny of Docodonta. / Аверьянов, Александр Олегович; Martin, Thomas; Лопатин, Алексей; Скучас, Павел Петрович; Витенко, Дмитрий Дмитриевич; Schellhorn, Rico; Колосов, Пётр .
In: Cretaceous Research, Vol. 158, 105836, 01.06.2024.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Docodontans from the Lower Cretaceous of Yakutia, Russia: new insights into diversity, morphology, and phylogeny of Docodonta
AU - Аверьянов, Александр Олегович
AU - Martin, Thomas
AU - Лопатин, Алексей
AU - Скучас, Павел Петрович
AU - Витенко, Дмитрий Дмитриевич
AU - Schellhorn, Rico
AU - Колосов, Пётр
PY - 2024/6/1
Y1 - 2024/6/1
N2 - Docodonta are the most abundant and taxonomically diverse group of mammaliaforms in the high paleolatitude Lower Cretaceous Teete locality in Yakutia, Russia. Docodontans are represented by the tegotheriids Khorotherium yakutense and Ergetiis ichchi gen. et sp. nov., and possibly two more taxa known from fragmentary specimens (Docodonta indet.). Ergetiis ichchi gen. et sp. nov. shows a reduction and posterior shift of the angular process of the dentary which could indicate a reduction of the mandibular middle ear potentially in a way analogous to the transitional mammalian middle ear of Eutriconodonta. A revised phylogenetic analysis of Docodonta suggests a stemward position of Docodontidae and a sister group relationship for Simpsonodontidae and Tegotheriidae.
AB - Docodonta are the most abundant and taxonomically diverse group of mammaliaforms in the high paleolatitude Lower Cretaceous Teete locality in Yakutia, Russia. Docodontans are represented by the tegotheriids Khorotherium yakutense and Ergetiis ichchi gen. et sp. nov., and possibly two more taxa known from fragmentary specimens (Docodonta indet.). Ergetiis ichchi gen. et sp. nov. shows a reduction and posterior shift of the angular process of the dentary which could indicate a reduction of the mandibular middle ear potentially in a way analogous to the transitional mammalian middle ear of Eutriconodonta. A revised phylogenetic analysis of Docodonta suggests a stemward position of Docodontidae and a sister group relationship for Simpsonodontidae and Tegotheriidae.
KW - Docodonta
KW - Lower Cretaceous
KW - Mammaliaformes
KW - Russia
KW - Yakutia
UR - https://www.mendeley.com/catalogue/05905555-5b68-3264-be9a-c8d50c4cf702/
U2 - 10.1016/j.cretres.2024.105836
DO - 10.1016/j.cretres.2024.105836
M3 - Article
VL - 158
JO - Cretaceous Research
JF - Cretaceous Research
SN - 0195-6671
M1 - 105836
ER -
ID: 115674969