Usage examples (6)

• New studies reveal that some species of primitive frogs - especially the ones in a family called Leiopelmatidae - are good jumpers but are amazingly klutzy at touching down.
• However, no studies had analyzed the jumping behavior of the most primitive living frogs, part of a group dubbed Leiopelmatidae that possess ancient features such as...
• Amphibians are represented in New Zealand by just four primitive frog species of the endemic family Leiopelmatidae.
• This primitive member of the Leiopelmatidae family does not have a tadpole stage and is one of the world's rarest frogs.