Asthenotoma juvenilis is an extinct species of sea snails, a marine gastropod mollusc in the family Borsoniidae.Bouchet, P. (2016). Asthenotoma juvenilis Lozouet, 2015 †. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=867980 on 2016-02-08
Distribution This extinct marine species occurred in the Oligocene and Lower Miocene of Aquitaine (Southwest France).
References
Lozouet P. (2015). Nouvelles espèces de gastéropodes (Mollusca: Gastropoda) de l'Oligocène et du Miocène inférieur d'Aquitaine (Sud-Ouest de la France). Partie 5. Cossmanniana. 17: 15–84-page(s): 42, pl. 18 figs 17–19