Fossil Gasterosteiformes from the Lower Oligocene of Frauenweiler (Baden-Wuttemberg, Germany). I.New information on the morphology and systematics of the genus Aeliscus JORDAN & STARKS 1902
N. Parin et N. Micklich, Fossil Gasterosteiformes from the Lower Oligocene of Frauenweiler (Baden-Wuttemberg, Germany). I.New information on the morphology and systematics of the genus Aeliscus JORDAN & STARKS 1902, Palaontologische Zeitschrift Palaontologische Zeitschrift (Print);Journal of Palaontologische Gesellschaft Scientific contributions to palaeontology, 70(3/4), 1996, pp. 521-545