Alternative combination: Tabanus merychippi
Full reference: T. D. A. Cockerell. 1916. Some American fossil insects. Proceedings of the United States National Museum 51:89-106
Sister taxon: Silvius laticornis
Type specimen: USNM 61993, an exoskeleton. Its type locality is Florissant (Wilson coll), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.
Average measurements (in mm): body length 13.0, wing length 10.0