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 793750; lot count 1; original nature=part/counterpart; accn=YPM.11753; associatedwith=on same slab: IP.793749,on same slab: IP.793751,on same slab: IP.793752,on same slab: IP.793753,on same slab: IP.793754,on same slab: IP.793755,on same slab: IP.793756,on same slab: IP.793757,on same slab: IP.793758,on same slab: IP.793759,on same slab: IP.793760,on same slab: IP.793761,on same slab: IP.793762,on same slab: IP.793763,on same slab: IP.793764,on same slab: IP.793765,on same slab: IP.793766,on same slab: IP.793767,on same slab: IP.793768,on same slab: IP.793769,on same slab: IP.793770,on same slab: IP.793771.