Frogs and Toads Frogs and Toads Vertebrate Zoology Vertebrate Zoology Spring 2010 Spring 2010 Order Anura Order Anura Family Pipidae Family Pipidae African clawed Xenopus laevis African clawed Xenopus laevis toadtoad Toes with reddish Toes with reddish colored claws colored claws Order Anura Order Anura Family Bufonidae Family Bufonidae American toad Anaxyrus americanus American toad Anaxyrus americanus Postorbital crest not Postorbital crest not touching paratoid touching paratoid gland gland Largest dorsal spots Largest dorsal spots with one wart each with one wart each Order Anura Order Anura Family Bufonidae Family Bufonidae Fowler s toad Anaxyrus fowleri Fowler s toad Anaxyrus fowleri Postorbital crest Postorbital crest touching paratoid touching paratoid gland gland Largest dorsal spots Largest dorsal spots with three or more with three or more warts warts Order Anura Order Anura Family Hylidae Family Hylidae Treefrog Pseudacris crucifer Treefrog Pseudacris crucifer Spring peeper Spring peeper Ventral skin granular Ventral skin granular Without extensive Without extensive webbing between webbing between toes of hind feet toes of hind feet Toe tips extended Toe tips extended into discs suction into discs suction Order Anura Order Anura Family Ranidae Family Ranidae Bullfrog Lithobates catesbeiana Bullfrog Lithobates catesbeiana Dorsum without Dorsum without dorsolateral ridge dorsolateral ridge Goes to the side Goes to the side behind the tympanum behind the tympanum Not straight back Not straight back Order Anura Order Anura Family Ranidae Family Ranidae Lithobates clamitans Green Lithobates clamitans Green frogfrog Dorsum without two Dorsum without two parallel longitudinal parallel longitudinal rows of large rows of large squarish spots squarish spots Has a straight Has a straight dorsolateral ridge dorsolateral ridge Order Anura Order Anura Family Ranidae Family Ranidae palustris Pickerel frog Lithobates palustris Pickerel frog Lithobates Dorsum with two Dorsum with two parallel longitudinal parallel longitudinal rows of large rows of large squarish spots squarish spots Has a straight Has a straight dorasolateral ridge dorasolateral ridge Order Anura Order Anura Family Ranidae Family Ranidae Wood frog Lithobates sylvaticus Wood frog Lithobates sylvaticus Cheeks with dark Cheeks with dark mask extending from mask extending from snout posterior snout posterior back to the back to the tympanum tympanum