ribbed toad(n = noun.animal) ascaphus trui, bell toad, tailed frog, tailed toad - western North American frog with a taillike copulatory organ;
is a kind of anuran, batrachian, frog, salientian, toad, toad frog
is a member of ascaphus, genus ascaphus

agua toad, american green toad, american toad, bell toad, eastern narrow-mouthed toad, eurasian green toad, european toad, fire-bellied toad, horned toad, midwife toad, obstetrical toad, pacific tree toad, ribbed, ribbed vault, sea toad, south american poison toad, southwestern toad, spadefoot toad, surinam toad, tailed toad, texas toad, toad, toad frog, toad lily, toad rush, tree toad, true toad, western narrow-mouthed toad, western toad, yosemite toad