†Mesaulacinus Martynov 1925 (wasp)
Insecta - Hymenoptera - Cleistogastridae
Full reference: A. V. Martynov. 1925. To the knowledge of fossil insects from Jurassic beds in Turkestan. 3. Hymenoptera, Mecoptera. Izvestiya Akademii Nauk SSSR 19(16-17):753-762
Parent taxon: Cleistogastrinae according to D. Ren 1995
Sister taxa: Cleistogaster, Leptocleistogaster, Scolichneumon, Yanocleistogaster
Subtaxa: Mesaulacinus areolatus, Mesaulacinus mongolicus, Mesaulacinus niger, Mesaulacinus oviformis, Mesaulacinus rasnitsyni, Mesaulacinus sculpturatus, Mesaulacinus stenocerus, Mesaulacinus tenuis
Type: Mesaulacinus oviformis
Ecology: