The three modern orders of amphibians are Anura (the frogs and toads), Urodela (the salamanders), and Apoda (the caecilians). The number of known amphibian species is approximately 7,000, of which nearly 90% are frogs.The smallest amphibian (and vertebrate) in the world is a frog from New Guinea (Paedophryne amauensis) with a length of just 7.7 mm (0.30 in).mphibians have a skeletal system that is structurally homologous to other tetrapods, though with a number of variations. They all have four limbs except for the legless caecilians and a few species of salamander with reduced or no limbs. The bones are hollow and lightweight.
Harrison Ford Honored With Prestigious Wright Brothers Award. One of the general aviation communityâs own was honored on December 17, 2010, for his long-standing advocacy in support of aviation at the Aero Club of Washingtonâs annual Wright Memorial Dinner, which was attended by hundreds of aviation leaders from government and industry.
Solheim Cup 2017. Experience the 2017 Solheim Cup in Greater Des Moines! Catch this prestigious catch this prestigious womenâs LPGA golf event, August 14-20, at Des Moines Golf and Country Club. Cheer on Team USA or Team Europe as they face off in the Midwest.