APPENDIX TABLE 1 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 1. List of Middle Miocene-Pliocene fossil snakes from Nebraska and their localities. A dagger symbol (†) indicates an extinct taxon or group.
LocalityNALMAGeologic AgeTaxonGenus or GroupBn-118Barstovian 2Middle MioceneDakotaophis greeni †Dakotaophis †Bn-118Barstovian 2Middle MioceneLampropeltis similis †LampropeltisBn-118Barstovian 2Middle MioceneHeterodon tiheni †HeterodonBn-118Barstovian 2Middle MiocenePantherophis (Elaphe) kansensis †Pantherophis (Elaphe)Bn-118Barstovian 2Middle MioceneSalvadora paleolineata †SalvadoraBn-118Barstovian 2Middle MioceneNerodia sp.NerodiaBn-121Barstovian 2Middle MiocenePantherophis (Elaphe) kansensis †Pantherophis (Elaphe)Bn-121Barstovian 2Middle MioceneSalvadora paleolineata †SalvadoraBn-121Barstovian 2Middle MioceneDakotaophis greeni †Dakotaophis †Bw-106Barstovian 2Middle MioceneNatricidae sp. indet.Natricidae sp. indet.Bw-106Barstovian 2Middle MioceneColubrinae sp. indet.Colubrinae sp. indet.Bw-106Barstovian 2Middle MioceneNebraskophis skinneri †Nebraskophis †Bw-106Barstovian 2Middle MioceneNatricidae sp. indet.Natricidae sp. indet.Bw-106Barstovian 2Middle MioceneColubrinae sp. indet.Colubrinae sp. indet.Kp-101Barstovian 2Middle MioceneNatricidae sp. indet.Natricidae sp. indet.Kp-101Barstovian 2Middle MioceneColubrinae sp. indet.Colubrinae sp. indet.Bn-11Barstovian 2Middle MiocenePantherophis (Elaphe) kansensis †Pantherophis (Elaphe)Bn-11Barstovian 2Middle MioceneThamnophis sp.ThamnophisCr-12Barstovian 2Middle MioceneSalvadora paleolineata †SalvadoraCr-12Barstovian 2Middle MioceneNeonatrix elongata †Neonatrix †Cr-12Barstovian 2Middle MioceneColubrinae sp. indet.Colubrinae sp. indet.Fr-22Barstovian 2Middle MioceneSalvadora sp.SalvadoraFr-22Barstovian 2Middle MioceneSalvadora sp.SalvadoraFr-22Barstovian 2Middle MioceneHeterodon sp.HeterodonFr-22Barstovian 2Middle MiocenePterygoboa miocenica †Pterygoboa †Fr-22Barstovian 2Middle MioceneNeonatrix sp. †Neonatrix †Fr-22Barstovian 2Middle MioceneCrotalus sp.CrotalusFr-22Barstovian 2Middle MioceneCrotalinae sp. indet.Crotalinae sp. indet.Fr-22Barstovian 2Middle MioceneNerodia sp.NerodiaFr-22Barstovian 2Middle MioceneThamnophis sp.ThamnophisFr-22Barstovian 2Middle MioceneNatricidae sp. indet.Natricidae sp. indet.Wt-15ABarstovian 2Middle MioceneHeterodon tiheni †HeterodonWt-15ABarstovian 2Middle MiocenePantherophis (Elaphe) kansensis †Pantherophis (Elaphe)Wt-15ABarstovian 2Middle MioceneThamnophis sp.ThamnophisWt-15ABarstovian 2Middle MioceneSalvadora paleolineata †SalvadoraWt-15ABarstovian 2Middle MioceneSalvadora paleolineata †SalvadoraWt-15ABarstovian 2Middle MioceneNebraskophis skinneri †Nebraskophis †Wt-15ABarstovian 2Middle MioceneHeterodon tiheni †HeterodonWt-15ABarstovian 2Middle MioceneNerodia sp.NerodiaWt-15ABarstovian 2Middle MiocenePantherophis (Elaphe) kansensis †Pantherophis (Elaphe)Wt-15ABarstovian 2Middle MioceneNeonatrix elongata †Neonatrix †Wt-15ABarstovian 2Middle MioceneCrotalinae sp. indet.Crotalinae sp. indet.Wt-15ABarstovian 2Middle MioceneMicrurus sp.MicrurusWt-13BClarendonian 1Late MioceneNeonatrix elongata †Neonatrix †Wt-13BClarendonian 1Late MioceneNeonatrix magna †Neonatrix †Wt-13BClarendonian 1Late MioceneHeterodon sp.HeterodonWt-13BClarendonian 1Late MioceneNerodia sp.NerodiaWt-13BClarendonian 1Late MioceneLampropeltis similis †LampropeltisWt-13BClarendonian 1Late MiocenePantherophis (Elaphe) kansensis †Pantherophis (Elaphe)Wt-13BClarendonian 1Late MioceneCharina prebottae †CharinaWt-13BClarendonian 1Late MioceneSalvadora paleolineataSalvadoraAp-116Clarendonian 2Late MioceneCrotalinae sp. Indet.Crotalinae sp. Indet.Ap-116Clarendonian 2Late MioceneThamnophis sp.ThamnophisAp-116Clarendonian 2Late MioceneThamnophis sp.ThamnophisAp-116Clarendonian 2Late MioceneThamnophis sp.ThamnophisAp-116Clarendonian 2Late MioceneAmeiseophis robinsoni †Ameiseophis †Ap-116Clarendonian 2Late MioceneNerodia sp.NerodiaAp-116Clarendonian 2Late MioceneHeterodon tiheni †HeterodonAp-116Clarendonian 2Late MioceneSalvadora paleolineata †SalvadoraBw-123Clarendonian 3Late MioceneTregophis sp. †Tregophis †Bw-123Clarendonian 3Late MioceneOgmophis † or Calamagras †Ogmophis † or Calamagras †Bw-123Clarendonian 3Late MioceneOgmophis † or Calamagras †Ogmophis † or Calamagras †Bw-123Clarendonian 3Late MioceneHeterodon sp.HeterodonBw-123Clarendonian 3Late MioceneTregophis sp. †Tregophis †Bw-123Clarendonian 3Late MioceneAmeiseophis sp. †Ameiseophis †Bw-123Clarendonian 3Late MioceneHeterodon sp.HeterodonBw-123Clarendonian 3Late MioceneParacoluber sp. †Paracoluber †Bw-123Clarendonian 3Late MioceneColuber or Masticophis sp.Coluber or MasticophisBw-123Clarendonian 3Late MioceneAmeiseophis sp. †Ameiseophis †Bw-123Clarendonian 3Late MioceneLampropeltis cf. L. getulaLampropeltisBw-123Clarendonian 3Late MiocenePantherophis (Elaphe) sp.Pantherophis (Elaphe)Bw-123Clarendonian 3Late MiocenePantherophis (Elaphe) kansensis †Pantherophis (Elaphe)Bw-123Clarendonian 3Late MioceneLampropeltis triangulum or L. similis †LampropeltisBw-123Clarendonian 3Late MioceneMicronatrix juliascottae †Micronatrix †Bw-123Clarendonian 3Late MioceneCrotalinae sp. indet.Crotalinae sp. indet.Bw-123Clarendonian 3Late MioceneCrotalus sp.CrotalusBw-123Clarendonian 3Late MioceneAgkistrodon sp.AgkistrodonBw-123Clarendonian 3Late MioceneTropidoclonion sp.TropidoclonionBw-123Clarendonian 3Late MioceneThamnophis sp.ThamnophisBw-123Clarendonian 3Late MioceneNerodia sp.NerodiaBw-123Clarendonian 3Late MioceneNeonatrix sp.NeonatrixBw-123Clarendonian 3Late MioceneNerodia hillmani †NerodiaBw-123Clarendonian 3Late MiocenePituophis sp.PituophisBw-123Clarendonian 3Late MioceneTexasophis sp. †Texasophis †Bw-123Clarendonian 3Late MioceneOpheodrys sp.OpheodrysBw-123Clarendonian 3Late MioceneSistrurus sp.SistrurusKh-101Hemphillian 1Late MioceneCrotalus horridusCrotalusKh-101Hemphillian 1Late MioceneArizona sp.ArizonaKh-101Hemphillian 1Late MioceneVirginia sp.VirginiaKh-101Hemphillian 1Late MioceneNebraskophis skinneri †Nebraskophis †Kh-101Hemphillian 1Late MioceneCrotalus sp.CrotalusKh-101Hemphillian 1Late MioceneAgkistrodon sp.AgkistrodonKh-101Hemphillian 1Late MiocenePantherophis (Elaphe) kansensis †Pantherophis (Elaphe)Kh-101Hemphillian 1Late MioceneSalvadora paleolineata †SalvadoraKh-101Hemphillian 1Late MioceneParacoluber sp. †Paracoluber †Kh-101Hemphillian 1Late MioceneCharina prebottae †CharinaKh-101Hemphillian 1Late MioceneCharina prebottae †CharinaKh-101Hemphillian 1Late MioceneLichanura sp. indet.LichanuraKh-101Hemphillian 1Late MioceneColubrinae sp. indet.Colubrinae sp. indet.Kh-101Hemphillian 1Late MioceneColuber or Masticophis sp.Coluber or MasticophisKh-101Hemphillian 1Late MioceneLampropeltis getulusLampropeltisKh-101Hemphillian 1Late MioceneLampropeltis triangulumLampropeltisKh-101Hemphillian 1Late MioceneThamnophis proximusThamnophisKh-101Hemphillian 1Late MioceneThamnophis sp.ThamnophisKh-101Hemphillian 1Late MioceneThamnophis cyrtopsisThamnophisKh-101Hemphillian 1Late MioceneThamnophis marcianusThamnophisKh-101Hemphillian 1Late MioceneHeterodon tiheni †HeterodonKh-101Hemphillian 1Late MioceneHeterodon platyrhinosHeterodonKh-101Hemphillian 1Late MioceneHeterodon sp.HeterodonKh-101Hemphillian 1Late MioceneNeonatrix elongata †Neonatrix †Kh-101Hemphillian 1Late MioceneNerodia hillmani †NerodiaKh-101Hemphillian 1Late MioceneNerodia sp. indet.NerodiaCn-106BHemphillian 2Late MioceneColubrinae sp. indet.Colubrinae sp. indet.Cn-106BHemphillian 2Late MioceneThamnophis sp. Indet.ThamnophisCn-106BHemphillian 2Late MioceneHeterodon tiheni †HeterodonAp-125Hemphillian 3Late MioceneHeterodon platyrhinosHeterodonAp-125Hemphillian 3Late MioceneHeterodon tiheniHeterodonAp-125Hemphillian 3Late MioceneHeterodon nasicusHeterodonAp-125Hemphillian 3Late MioceneHeterodon sp.HeterodonAp-125Hemphillian 3Late MioceneThamnophis sp.ThamnophisAp-125Hemphillian 3Late MioceneThamnophis sirtalis or proximusThamnophisAp-125Hemphillian 3Late MioceneThamnophis marcianusThamnophisAp-125Hemphillian 3Late MioceneNerodia sp.NerodiaAp-125Hemphillian 3Late MioceneCrotalus sp.CrotalusAp-125Hemphillian 3Late MioceneColuber or Masticophis sp.Coluber or MasticophisAp-125Hemphillian 3Late MiocenePantherophis (Elaphe) guttataPantherophis (Elaphe)Ap-125Hemphillian 3Late MioceneLampropeltis triangulumLampropeltisAp-125Hemphillian 3Late MiocenePituophis melanoleucusPituophisKx-113Hemphillian 4Late MioceneCrotalus sp.CrotalusKx-113Hemphillian 4Late MioceneLampropeltis getulusLampropeltisKx-113Hemphillian 4Late MioceneLampropeltis triangulumLampropeltisKx-113Hemphillian 4Late MiocenePantherophis (Elaphe) guttataPantherophis (Elaphe)Kx-111Hemphillian 4Late MioceneColuber or Masticophis sp.Coluber or MasticophisKx-111Hemphillian 4Late MioceneHeterodon sp.HeterodonKx-111Hemphillian 4Late MioceneThamnophis sp.ThamnophisKx-111Hemphillian 4Late MioceneThamnophis proximusThamnophisKx-111Hemphillian 4Late MioceneLampropeltis sp.LampropeltisKx-111Hemphillian 4Late MioceneLampropeltis getulusLampropeltisKx-111Hemphillian 4Late MiocenePituophis melanoleucusPituophisKx-111Hemphillian 4Late MiocenePantherophis (Elaphe) sp.Pantherophis (Elaphe)Kx-111Hemphillian 4Late MiocenePantherophis (Elaphe) obsoletaPantherophis (Elaphe)Kx-111Hemphillian 4Late MioceneCrotalus sp.CrotalusGd-12Blancan 1Early PlioceneThamnophis sirtalisThamnophisGd-12Blancan 1Early PlioceneThamnophis radixThamnophisGd-12Blancan 1Early PlioceneNerodia sipedonNerodiaGd-12Blancan 1Early PlioceneCrotalus sp. indet.CrotalusGd-12Blancan 1Early PlioceneLampropeltis triangulumLampropeltisGd-12Blancan 1Early PlioceneStoreria sp. Indet.StoreriaGd-12Blancan 1Early PlioceneHeterodon sp. Indet.HeterodonGd-12Blancan 1Early PlioceneHeterodon sp. Indet.HeterodonGd-12Blancan 1Early PliocenePantherophis (Elaphe) vulpinaPantherophis (Elaphe)Gd-12Blancan 1Early PliocenePantherophis (Elaphe) vulpinaPantherophis (Elaphe)Ap-103Blancan 1Early PlioceneNerodia sp.NerodiaAp-103Blancan 1Early PlioceneNatricidae sp. indet.Natricidae sp. indet.Ap-103Blancan 1Early PlioceneNerodia sipedon / hibbardi †NerodiaAp-103Blancan 1Early PlioceneRegina grahamiiReginaAp-103Blancan 1Early PlioceneSistrurus catenatusSistrurusAp-103Blancan 1Early PlioceneCrotalus horridusCrotalusAp-103Blancan 1Early PlioceneAgkistrodon contortrixAgkistrodonAp-103Blancan 1Early PliocenePantherophis (Elaphe) vulpinaPantherophis (Elaphe)Ap-103Blancan 1Early PliocenePantherophis (Elaphe) guttataPantherophis (Elaphe)Ap-103Blancan 1Early PlioceneRheinocheilus leconteiRheinocheilusAp-103Blancan 1Early PlioceneColuber constrictorColuberAp-103Blancan 1Early PlioceneMasticophis flagellumMasticophisAp-103Blancan 1Early PlioceneLampropeltis sp.LampropeltisAp-103Blancan 1Early PlioceneLampropeltis doliataLampropeltisAp-103Blancan 1Early PlioceneLampropeltis calligasterLampropeltisAp-103Blancan 1Early PlioceneLampropeltis getulusLampropeltisAp-103Blancan 1Early PlioceneHeterodon platirhinosHeterodonAp-103Blancan 1Early PlioceneHeterodon nasicusHeterodonAp-103Blancan 1Early PlioceneThamnophis sp.ThamnophisAp-103Blancan 1Early PlioceneThamnophis proximusThamnophisAp-103Blancan 1Early PlioceneThamnophis sirtalisThamnophisAp-103Blancan 1Early PlioceneThamnophis radixThamnophisKx-127Blancan 2Early PlioceneCrotalus horridusCrotalusKx-127Blancan 2Early PliocenePantherophis (Elaphe) guttataPantherophis (Elaphe)Kx-127Blancan 2Early PlioceneNerodia rhombiferaNerodiaKx-127Blancan 2Early PlioceneNerodia sp.NerodiaKx-127Blancan 2Early PlioceneRegina grahamiiReginaKx-127Blancan 2Early PlioceneNerodia sipedon / hibbardiNerodiaKx-127Blancan 2Early PlioceneAgkistrodon contortrixAgkistrodonKx-127Blancan 2Early PlioceneThamnophis proximusThamnophisKx-127Blancan 2Early PlioceneThamnophis radixThamnophisKx-127Blancan 2Early PlioceneThamnophis sirtalisThamnophisKx-127Blancan 2Early PlioceneThamnophis sp.Thamnophis