Lineage (NCBI): This node has no ancestors.
Colubridae+Elapoidea Look for this name in NCBI Wikipedia Animal Diversity Web
http://palaeo-electronica.org/content/fc-9 Head et al. 2016
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The minimum age is based on the age of the type locality at Mas de Got A, which is correlated to Paleogene Mammal (MP) biochron 22. MP 22 ranges from 32.6 ± .1 Ma to 30.9 ± .1 Ma (Schmidt-Kittler, 1987; İslamoğlu et al., 2006; Szyndlar, 2012; Rage, 2006; Augé and Rage, 2014
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|primary fossil used to date this node|
Assignment to (Colubridae+Elapoidea) is based on the presence of: a well-developed, narrow haemel keel that is uniform in transverse width and extends from an expanded cotylar ventral lip anteriorly to terminate posteriorly just anterior to the condyle; epizygapophyseal spines, and; elongate prezygapophyseal accessory processes (Rage, 1974).
Rage, J.-C. 1974. Les serpents des phosphorites du Quercy. Palaeovertebrata, 6:247-303.
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