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Early Paleogene insectivore mammals of Asia and establishment of the major groups of Insectivora
- A. Lopatin
- 1 May 2006
Early Paleogene insectivore mammal associations of Asia include true insectivores (superorder Insectivora: order Lipotyphla: suborders Erinaceomorpha and Soricomorpha; orders Didymoconida and…
New docodontans from the Middle Jurassic of Siberia and reanalysis of Docodonta interrelationships
- A. Averianov, A. Lopatin, S. Krasnolutskii, S. Ivantsov
- Environmental Science, BiologyProceedings of the Zoological Institute RAS
- 25 June 2010
A new phylogenetic analysis demonstrated that Itatodon is the most basal known docodontan, and the Middle Jurassic mammals of Laurasia are now known from three principal assemblages: Forest Marble in England, Balabansai in Kyrgyzstan, and Itat in West Siberia.
A new phylogeny for basal Trechnotheria and Cladotheria and affinities of South American endemic Late Cretaceous mammals
The endemic South American mammals Meridiolestida are found to be non-cladotherian trechnotherians related to spalacotheriid symmetrodontans based on a parsimony analysis of 137 morphological characters among 44 taxa.
A tritylodont (Tritylodontidae, Synapsida) from the Mesozoic of Yakutia
A new species of Xenocretosuchus is described from the Late Mesozoic Teete locality in the Vilyui River basin (Yakutia), one of the northernmost dinosaur localities of the world.
First record of an Early Cretaceous triconodont mammal in Siberia
A lower jaw of a triconodont mammal from the Early Cretaceous Shestakovo locality, belonging to the first Mesozoic mammal ever found in Siberia, is described. It is identified as Gobiconodon…
A new genus of the tegotheriid docodonts (Docodonta, Tegotheriidae) from the Early Cretaceous of West Siberia
Itatodon tatarinovi (Tegotheriidae, Mammalia), a docodont from the Middle Jurassic of Western Siberia and phylogenetic analysis of Docodonta
Phylogenetic analysis of DocodontA shows paraphyly of Morganucodonta relative to docodonts and independent development of the pseudotalonid in the Tegotheriidae and the clade comprising Krusatodon, Castorocauda, Cyrtlatherium, and Dsungarodon.
Revision of a pretribosphenic mammal Arguimus from the Early Cretaceous of Mongolia
The original identification of the teeth preserved in the holotype and single specimen of Arguitherium cromptoni from Hoovor as p4–5, m1 is confirmed and this specimen is considered conspecific with A. khosbajari.
Stem therian mammal Amphibetulimus from the Middle Jurassic of Siberia
Amphibetulimus krasnolutskii is known from the Middle Jurassic (Bathonian) Itat Formation of Krasnoyarsk Territory, West Siberia, Russia, by several edentulous and three dentigerous dental fragments,…
An Aegialodontid Upper Molar and the Evolution of Mammal Dentition
A known upper molar of an aegialodontid mammal, Kielantherium, from the Early Cretaceous of Mongolia is reported, indicating the earliest stage in the development of boreosphenidan tribospheny has remained poorly understood.