Family Eolestidae n. fam.

(Figures 1, 2, 3, 4, 5, 6, 7)

Type genus. Eolestes Cockerell, 1940 .

Diagnosis. 1) Pterostigma length ≥ 3 x width; 2) Oblique “ O ” crossvein present; 3) Postnodal crossveins mostly aligned; 4) MA slightly zigzagged distal of the nodus; 5) Ax2 at or just distal of the arculus; 6) Discoidal cell closed and its posterior internal angle acute; 7) IR2 and RP 3/4 origin closer to the arculus than the nodus; 8) IR1- RP 2, RP 2-IR2 and RP 3/4-MA fields with ≥ two supplementary longitudinal sectors; 9) MA-CuA (cubital) field with ≥ two supplementary longitudinal sectors; 10) IR2- RP 3/4 field not expanded distally.