Tipula sp.   scale in cms CLASS - Insecta ORDER - Diptera FAMILY - Tipulidae GENUS/SPECIES - Tipula sp. ROCK UNIT - Florissant Beds AGE - Miocene Epoch (about 15 million years old) LOCALITY - Florissant, Colorado, USA Craneflies are large mosquito-like flies that have only one pair of large wings (front pair). The back wings are modified into specialized organs for stability during flight. PRI 42415