Pseudotribos ("false chewing") is an extinct genus of mammaliaform that lived in Northern China during the Middle Jurassic some , possibly more closely related to monotremes than to theria (placental and marsupial mammals), although other studies indicate that these shuotheres are closer to therians than to monotremes.Rougier, Guillermo W.; Martinelli, Agustín G.; Forasiepi, Analía M.; Novacek, Michael J., New Jurassic mammals from Patagonia, Argentina : a reappraisal of australosphenidan morphology and interrelationships; American Museum Novitates, no. 3566, 2007Tom Rich, Patricia Vickers Rich, Palaeobiogeography of Mesozoic Mammals – Revisited, Article · January 2012 DOI: 10.1007/978-90-481-3428-1_32 The only known specimen was found in the Daohugou Bed in Inner Mongolia (: paleocoordinates ).. Retrieved May 2013.. Retrieved May 2013.
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