Definition that contains parous
- litter the offspring at one birth of a multiparous mammal
- poeciliid fish small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control
- grass snake any of numerous nonvenomous longitudinally-striped viviparous North American and Central American snakes
- clinidae viviparous blennies of temperate and tropical seas
- zoarces viviparus an eelpout of northern Europe that is viviparous
- family cordylidae small family of spiny ovoviviparous African lizards
- prototherian primitive oviparous mammals found only in Australia and Tasmania and New Guinea
- live-bearer small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control
- salamandra atra ovoviviparous amphibian of the Alps
- cordylidae small family of spiny ovoviviparous African lizards