"--09-14"^^ . . "Latreille in Sonnini & Latreille, 1801"@en . "Heterodon is a genus of harmless colubrids found in North America. They are stout with upturned snouts and are perhaps best known for their characteristic threat displays. Three species are currently recognized."@en . "Animalia"@en . . . . "* Boa\n* Coluber\n* Natrix\n* Oxyrhina\n* Pelias\n* Scytale\n* Scytalus\n* Vipera"@en . . "Heterodon is a genus of harmless colubrids found in North America. They are stout with upturned snouts and are perhaps best known for their characteristic threat displays. Three species are currently recognized."@en . "Heterodon"@en . "Colubridae"@en . . "Heterodon"@en . "2007"^^ . "Heterodon"@en . . . . . . . . "Eastern hog-nosed snake, H. platirhinos"@en .