APPENDIX TABLE 2 in Fossil snakes of the Penny Creek Local Fauna from Webster County, Nebraska, USA, and the first record of snakes from the Early Clarendonian (12.5 - 12 Ma) of North America

APPENDIX TABLE 2. List of congenerics used for climate enveloped models, grouped by genus.
CharinaLampropeltisPantherophisSalvadoraHeterodonNerodiaCharina bottaeLampropeltis calligasterPantherophis emoryiSalvadora grahamiaeHeterodon nasicusNerodia cyclopionCharina umbraticaLampropeltis getulaPantherophis obsoletusSalvadora hexalepisHeterodon platirhinosNerodia rhombiferLampropeltis holbrookiPantherophis ramspottiHeterodon simusNerodia sipedonLampropeltis triangulum