Treintamilun, Petrulevičius, 2017

Petrulevičius, Julián F., 2017, First Frenguelliidae (Insecta: Odonata) from the middle Eocene of Río Pichileuf ̇, Patagonia, Argentina., Arquivos Entomolóxicos 18, pp. 367-374 : 368-369

Treintamilun gen. nov.

Type species: Treintamilun vuelvenlucha sp. nov.

Diagnosis. (1) CuP curved, looking like an anterior branch of AA; (2) terminal kink of the CP very weak, not aligned with nodal Cr; (3) nodal furrow reduced; (4) ScP reaching costal very obliquely at nodus; (5) nodal Cr sub vertical; (6) subnodus vertical; (7) midfork symmetrical and recessed basally to a position between 12 and 26% of wing length; (8) pterostigma elongate and broad; (9) discoidal cell basally closed in hindwings, quite broad, distinctly widened distally; (10) antesubnodal space without cross-veins; (11) petiole short and broad; (12) base of IR2 slightly closer to arculus than to nodus; (13) base of RP2 8 cells from nodus; (14) terminal kink of the CP in a slightly distal position of the nodal Cr.

Characters (1) to (12) are diagnostic characters of the family. Characters (13) and (14) are unique from the new genus.

Etymology. In Castilian, 30,001 (treintamilun). Dedicated to the 30,000 (treintamil) Detained- Disappeared (Detenidos-Desaparecidos) by the last Argentinean Military-Civil-Ecclesiastic Dictatorship (1976-1983) to which followed the Enforced Disappeared in democracy (1983-2017). Gender neuter.