ABSTRACT The marine-freshwater boundary is a major biodiversity gradient and few groups have colonized both systems successfully. Fishes have transitioned between habitats repeatedly, diversifying in
The Lepidosauria is the most species-rich group of land-dwelling vertebrates. The group includes around 12,000 species of lizards and snakes (Squamata) and one species of Rhynchocephalia, the tuatara
Comprehensive denormalized occurrence table built with the API of the Paleobiology Database (http://paleobiodb.org/). Archived for the Chronosphere project by Ádám T. Kocsis. Downloa