Genus: Macropterygius RUSSCONI, 1948 non HUENE, 1922 (nomen dubium)
Etymology: Greek, makros, “long” and Greek, pterygion, “fin” +
us: Long fin.
Species: incagnitus RUSSCONI, 1948
Etymology:
Holotype: MACN 10.601
Locality: Traucura? Neuquen Province, Patagonia, Argentina.
Horizon:
Biostratigraphy:
Age: Tithonian? Malm Epoch, Late Jurassic.
Material: Dorsal vertebra.