undet. Diptera

Geological context: Green River Fm, Parachute Creek Mbr. Collection locality: Gus' pit; 2 mi W of Rio Blanco store, Rio Blanco County, Colorado, USA. Collected by Jim Barkley, 2012/2020. IP number 793997; lot count 1; accn=YPM.11753; associatedwith=on same slab: IP.793977,on same slab: IP.793978,on same slab: IP.793979,on same slab: IP.793980,on same slab: IP.793981,on same slab: IP.793982,on same slab: IP.793983,on same slab: IP.793984,on same slab: IP.793985,on same slab: IP.793986,on same slab: IP.793987,on same slab: IP.793988,on same slab: IP.793989,on same slab: IP.793990,on same slab: IP.793991,on same slab: IP.793992,on same slab: IP.793993,on same slab: IP.793994,on same slab: IP.793995,on same slab: IP.793996,on same slab: IP.793998,on same slab: IP.793999,on same slab: IP.794000.