Lambdoceras

Lambdoceras is an extinct genus of Protoceratidae belonging to the order Artiodactyla (subfamily Synthetoceratinae) endemic to North America during the Miocene, living epoch 20.6—13.6 Ma, existing for approximately 7 million years.[1]

Lambdoceras
Temporal range: Miocene
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Family: †Protoceratidae
Tribe: †Synthetoceratini
Genus: †Lambdoceras
Stirton 1967
Range of Lambdoceras based on fossil data

Taxonomy

A description of the genus Lambdoceras by Ruben A. Stirton was published in 1967. Its type is Lambdoceras hessei. It was synonymized subjectively with Prosynthetoceras by Patton (1969), Patton and Taylor (1971) and Patton and Taylor (1973). It was assigned to Protoceratidae by Stirton (1967), Tedford et al. (1987) and Albright (1999); and to Synthetoceratini by Webb (1981), Prothero (1998), Webb et al. (2003) and Prothero and Ludtke (2007).[2][3][4][5]

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References
  1. PaleoBiology Database: Lambdoceras, basic info
  2. R. A. Stirton. 1967. Relationships of the protoceratid artiodactyls, and description of a new genus. University of California Publications in Geological Sciences 72:1-43
  3. T. H. Patton. 1969. Bulletin of the Florida State Museum 14(2)
  4. T. H. Patton and B. E. Taylor. 1971. The Synthetoceratinae (Mammalia, Tylopoda, Protoceratidae). Bulletin of the American Museum of Natural History 145(2):119-218
  5. D. R. Prothero and J. A. Ludtke. 2007. Family Protoceratidae. in D. R. Prothero and S. Foss (eds.), The Evolution of Artiodactyls 169-17
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