Osnabruggiala seppelti, Zessin & Brauckmann & Gröning, 2021

Zessin, Wolfgang, Brauckmann, Carsten & Gröning, Elke, 2021, A new insect (probably basal Odonatoptera) from the Pennsylvanian (Late Carboniferous) of the Piesberg Fossil-Lagerstätte, Osnabrück, Germany, Palaeoentomology 4 (6), pp. 532-536 : 533-534

Osnabruggiala seppelti sp. nov.

( Fig. 2 )

Holotype. SGN GP 3048 , Natureum am Schloss Ludwigslust , Museum der Naturforschenden Gesellschaft Mecklenburg, complete left mesothoracic wing with perfectly preserved venation.

Etymology. Patronymic; named after Stephan Seppelt (Wrisbergholzen), to honour the finder of this beautiful insect wing.

Diagnosis. As for the genus.

Type locality and horizon. Claystone overlying the coal seam “Dreibänke”, Osnabrück Formation, Pennsylvanian (Late Carboniferous: Westphalian D/Asturian).

Description (based on left mesothoracic wing). Preserved wing length 42 mm, maximum wing width 8.6 mm. Anterior and posterior wing margins slightly curved outwards at ca. mid length; numerous simple crossveins; ScP parallel to costal margin, ending into RA at ca. 2/3 of wing length; distally with numerous simple straight crossveins in subcostal area, basally with two rows of cells; R divided into RA and RP by 1/3 of the wing length; RA almost reaching wing apex, with many straight crossveins; RP with regularly disposed branches, secondarily bifurcate, RP 3+4 forked near the middle of the branch; MA long and simple, ending at more than 2/3 of the wing, with straight crossveins towards RP 3+4; MP + CuA 1 simple; the stem of CuA 1 ending at fork of M; CuA 2 and stem of CuA arched; CuP together with AA 1, ending nearly at midwing; AA 2 and stem of AA forming an arched vein, ending at 1/4 of wing length; JA straight, parallel to AP.

Figures

FIGURE 2. Osnabruggiala seppelti gen. et sp. nov., holotype specimen SNL GP 3048, left mesothoracic wing (Natureum am Schloss Ludwigslust, Museum der Naturforschenden Gesellschaft Mecklenburg e V.), Pennsylvanian: Westphalian D/Asturian, Piesberg quarry near Osnabrück, Germany. A, Drawing. B, Photograph of the complete left mesothoracic wing. C, Photograph of the wing base.