A New Eutherian Mammal from the Upper Cretaceous Bayinshire Formation of Mongolia

被引：1

作者：

Lopatin, Alexey V. ^{[1
]}

Averianov, Alexander O. ^{[2
]}

机构：

[1] Russian Acad Sci, Borissiak Paleontol Inst, Profsoyuznaya Str 123, Moscow 117647, Russia

[2] Russian Acad Sci, Zool Inst, Univ Skaya Emb 1, St Petersburg 199034, Russia

来源：

JOURNAL OF VERTEBRATE PALEONTOLOGY | 2023年 / 43卷 / 02期

基金：

俄罗斯科学基金会;

关键词：

PHYLOGENETIC ANALYSIS; REVISION; DINOSAURIA; THERIZINOSAURIA; GEOLABIDIDAE; PALEOCENE; DIVERSITY; ASIA;

D O I：

10.1080/02724634.2023.2281478

中图分类号：

Q91 [古生物学];

学科分类号：

0709 ; 070903 ;

摘要：

Bayshinoryctes shuvalovi gen. et sp. nov. is based on a fragmentary skull including right maxilla associated with right and left dentaries with partially preserved dentition from the Upper Cretaceous (Turonian-Santonian) Bayinshire Formation at Bayshin Tsav locality in Gobi Desert, Mongolia. Undated Bayesian analyses of two different data matrices recover the new taxon as a stem placental mammal within the clade containing also Maelestes from the Upper Cretaceous (Campanian) of Mongolia and Batodon from the Upper Cretaceous (Maastrichtian) of North America. Bayshinoryctes gen. nov. differs from Maelestes by a few dental characters, including three-rooted P4, double-rooted p3, and p5 with metaconid swelling.

引用

页数：12

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