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A revision of "pediomyid" marsupials from the Late Cretaceous of North America
TLDR
The present study seeks to elucidate the interrelationships of “pediomyid” marsupials and test the monophyly of the group using cladistic methodology, including a broad sampling of Late Cretaceous North American taxa and a comprehensive set of qualitative molar characters.
Evolution of the Tribosphenic Molar Pattern in Early Mammals, with Comments on the “Dual-Origin” Hypothesis
  • Brian M Davis
  • Environmental Science
    Journal of Mammalian Evolution
  • 28 July 2011
TLDR
A series of morphotypes are presented that represent stepwise acquisition of characters of the molar crown, in an effort to clarify homologies and functional analogies among molars of tribosphenic and tribospenic-like mammals, as well as their putative sister groups.
Earliest Cretaceous Mammals from the Western United States
Mammalian diversity in North America shifted significantly during the Early Cretaceous, from archaic groups dominant in the well-sampled faunas of the Late Jurassic to advanced forms (including early
A New Species of Docodon (Mammaliaformes: Docodonta) from the Upper Jurassic Morrison Formation and a Reassessment of Selected Craniodental Characters in Basal Mammaliaforms
TLDR
A new species of the basal mammaliaform Docodon is described, represented by three nearly complete dentaries from the Upper Jurassic Morrison Formation of central Colorado, which unambiguously preserve a complete and undistorted angular process that differs conspicuously from the classical interpretation of the holotype of Docodon victor.
A new symmetrodont mammal (Trechnotheria: Zhangheotheriidae) from the Early Cretaceous of China and trechnotherian character evolution
TLDR
The discovery of Anebodon luoi is reported, a new genus and species of zhangheotheriid symmetrodont mammal from the Lujiatun site of the Lower Cretaceous Yixian Formation, China, which occupies a basal position within the Zhang heotheriidae and permits discussion of trechnotherian character evolution, ultimately shedding additional light on the evolution of therians.
Tribosphenic Mammals from the Lower Cretaceous Cloverly Formation of Montana and Wyoming
ABSTRACT We report a diverse assemblage of tribosphenidan mammals from several localities in the Cloverly Formation (Lower Cretaceous, Albian) of Montana and Wyoming. This unit is of historical
A lower jaw of Palaeoxonodon from the Middle Jurassic of the Isle of Skye, Scotland, sheds new light on the diversity of British stem therians
TLDR
A mandible with near‐complete dentition from the late Bathonian Kilmaluag Formation, near Elgol, Skye, represents the amphitheriid Palaeoxonodon ooliticus, previously known only from isolated teeth, and sheds new light on the taxonomic diversity of British Middle Jurassic stem therians.
Micro‐computed tomography reveals a diversity of Peramuran mammals from the Purbeck Group (Berriasian) of England
Abstract: The known sample of the important pretribosphenic mammal Peramus tenuirostris, housed in the Natural History Museum (London, UK), was imaged using micro‐computed tomography (CT).
Reappraisal of the Tribosphenidan Mammals from the Trinity Group (Aptian—Albian) of Texas and Oklahoma
TLDR
The taxonomy of the tribosphenidan taxa known from the Trinity Group is updated and the premolar/molar count in each is established with more confidence, identifying strong morphological diversity within this assemblage of stem taxa.
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