Extinct genus of mammaliaforms
Simpsonodon is an extinct genus of docodontan mammaliaform known from the Middle Jurassic of England , Kyrgyzstan and Russia . The type species S. oxfordensis was described from the Kirtlington Mammal Bed and Watton Cliff in the Forest Marble Formation of England. It was named after George Gaylord Simpson , a pioneering mammalologist and contributor to the Modern Evolutionary Synthesis .[ 1] A second species S. sibiricus is known from the Itat Formation of Russia ,[ 2] and indeterminate species of the genus are also known from the Balabansai Formation in Kyrgyzstan [ 3]
References
^ KERMACK, K. A.; LEE, A. J.; LEES, PATRICIA M.; MUSSETT, FRANCES (January 1987). "A new docodont from the Forest Marble" . Zoological Journal of the Linnean Society . 89 (1): 1– 39. doi :10.1111/j.1096-3642.1987.tb01342.x . ISSN 0024-4082 .
^ Averianov, A. A.; Lopatin, A. V.; Krasnolutskii, S. A.; Ivantsov, S. V. (2010). "New docodontians from the Middle Jurassic of Siberia and reanalysis of docodonta interrelationships" (PDF) . Proceedings of the Zoological Institute RAS . 314 (2): 121– 148. doi :10.31610/trudyzin/2010.314.2.121 . S2CID 35820076 .
^ Martin, Thomas; Averianov, Alexander O. (2010-05-18). "Mammals from the Middle Jurassic Balabansai Formation of the Fergana Depression, Kyrgyzstan". Journal of Vertebrate Paleontology . 30 (3): 855– 871. doi :10.1080/02724631003758045 . ISSN 0272-4634 . S2CID 128716878 .