17 Anuran Families

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Ascaphidae

tailed frogs. internal fertilization. northwestern US. 1 genus 2 species

Pipidae

tongueless frogs. stupid round head, long toes with clawlike tips. craters in back for offspring. africa and south america. 4 genera 41 species

Rhinophrynidae

burrowing toad. looks like an echidna. coastal mexico. 1 genus 1 species

Megophyridae

asian toad frogs. pointy eyelids, top looks like a leaf. southeast asia. 6 genera 242 species

Bombinatoridae

fire-bellied toads. bright patterned belly. europe, asia. 2 genera 10 species

Calyptocephalellidae

helmeted water toad. long skull. chile. 2 genera 5 species

Scaphiopodidae

spadefoot toads. pronounced spade foot. north america. 2 genera 7 species

Bufonidae

true toads. large paratoid glands, cranial crests, bumpy. worldwide. 52 genera 628 species

Ranidae

true frogs. dorsolateral ridges, sacral bumps, long back legs. worldwide. 25 genera 411 species

Hylidae

true tree frogs. toe pads, long legs, usually arboreal. worldwide except subsaharan africa. 53 genera 1003 species

Hyperoliidae

african reed frogs. toe pads, often strong patterns. subsaharan africa. 17 genera 232 species

Dendrobatidae

dart poison frogs. bright patterns, triangular toe scutes. neotropical. 21 genera 323 species

Mantellidae

malagasy frogs. poison frogs, some toe pads. madagascar. 12 genera 229 species

Leptodactylidae

southern frogs. small, foam nests. south america. 15 genera 217 species

Rhinodermatidae

mouth-brooding frogs/darwin's frogs. extrusion at point of nose. south america. 2 genera 3 species

Ceratophryidae

horned frogs. most of body is mouth, sometimes pointed eye growths. south america. 3 genera 12 species

Microhylidae

narrow-mouthed frogs. neck hood thing. worldwide except europe and north africa. 63 genera 378 species