Genus: Spathagnathus FERNANDES, TISCHLINGER, ROTHGAENGER & RAUHUT, 2025
Etymology: Latin, spatha, "spatula" and Latin, gnath, "jaw".

Species: roeperi FERNANDES, TISCHLINGER, ROTHGAENGER & RAUHUT, 2025
Etymology: In honor of the late Martin Roper, long term director of the Bürgermeister-Müller-Museum in Solnhofen and leader of teh escavations at the locality Brunn since early 1990's.

Holotype: SNSB-BSPG 1993 XVIII 1006

Locality: Brunn quarry (a small stone pit at the "Kohlstatt locality") between the villages of Brunn and Wischenhofen, Upper Palatinate, Eastern Bavaria State, Germany.

Horizon: Ebenwies Member, Torleite Formation (Rhytmic Plattenkalk [Solnhofen Lithographic Limestone])

Biostratigraphy: Beckeri-zone, Subeumela subzone.

Age: Late Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material: Fragment of anterior part of a maxillopremaxillary rostrum with tooth row.

Spathagnathus roeperi Holotype: SNSB-BSPG 1993 XVIII 1006 after FERNANDES, TISCHLINGER, ROTHGAENGER & RAUHUT, 2025: A) anterior; B) dorsal; C) anterior; D, E) lateral views.