Rank Genus | Phylum Chordata Order Artiodactyla | |
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Similar Syndyoceras, Kyptoceras, Protoceras, Protoceratidae, Hypertragulidae | ||
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.
Taxonomy
Lambdoceras was named by Stirton (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).
References
Lambdoceras Wikipedia(Text) CC BY-SA