Acanthocephalonotum, Petrulevicius, Julian F. & Popov, Yuri A., 2014

Petrulevicius, Julian F. & Popov, Yuri A., 2014, First fossil record of Discocephalinae (Insecta, Pentatomidae): a new genus from the middle Eocene of Rio Pichileufu, Patagonia, Argentina, ZooKeys 422, pp. 23-33 : 24

Taxon classification Animalia Hemiptera Pentatomidae

Acanthocephalonotum gen. n.

Type species.

Acanthocephalonotum martinsnetoi sp. n.

Diagnosis.

Pronotum with the humeral and posterior angles developed; origin of the labium caudad of the anterior limit of the eyes; head wider than long, anterior margin of head almost straight; labrum thick and curved; juga touching each other before clypeus; interocular width greater than head length (1.16 ×); triangular ante-ocular process extending beyond the eye and perpendicular to the sagittal plane; pronotum with an antero-lateral process (broad spine-like), parallel to the sagittal plane; scutellum triangular with a developed and circular tongue; wings well developed with membrane just surpassing end of abdomen; costal margin bending acutely before end of basal half (boomerang shaped); apex of the scutellum not reaching the apex of corium.

Included species.

Type species: Acanthocephalonotum martinsnetoi sp. n.

Etymology.

From the Latin acanthus, meaning spiny, the Greek κεφαλή, meaning head and the Greek νώτος, meaning dorsal and signalling dorsal part of prothorax. "After the head and pronotum with broad spine-like processes".