[vc_row][vc_column width=”1/2″][vc_single_image image=”3533″ img_size=”large” alignment=”center”][/vc_column][vc_column width=”1/2″][vc_column_text]Treefrogs, chorus frogs, and cricket frogs form the family Hylidae, a cosmopolitan family with its greatest diversity in the Western Hemisphere.  While they are called treefrogs because many arboreal lineages occur within the family, some have diversified to become burrowers, others are totally aquatic, and some are completely terrestrial.  Hylidae is one of the largest anuran families, with almost 1,000 species recognized at present, ranging from small (12 mm) to large (145 mm) taxa.  Most have adhesive toe discs that contain a piece of cartilage (the intercalary cartilage) offsetting the terminal phalanx.  This bent-toed structure may aid in climbing, but it has been lost in some lineages.  Arizona has at least six species of hylids in four genera. Mead (2005) summarized the fossil record for remains attributed to hylid frogs and notes they are reported from Papago Springs Cave. These are the only remains of this family from Arizona.[/vc_column_text][/vc_column][/vc_row]