Gatunek typowy
Actaeonina striatosulcata Zittel & Goubert, 1861. ?Oxfordian (Late Jurassic), Glos, Normandy, France.

Opis

Shell relatively high−spired, slim to broadly oval. Protoconch strongly medio−axial to coaxial, smooth. Teleoconch whorls with narrow, sometimes indistinct ramp, with rounded Edge passing gradually into lateral whorl surface. Whorls ornamented with spiral striae, usually more numerous toward the base. Spiral striae often absent or sparcely distributed on surface between ramp and abapical suture. Growth lines prosocyrtic, bent from the suture to base center. Peristome narrowly oval, anteriorly channelled, posteriorly with short, broad notch. Outer lip evenly convex. Columellar region with umbilical chinkor covered by broad projection of inner lip.

Synonimy
Parvulactaeon Gründel, 1997 

Zasięg czasowy

Bajocian (Mid Jurassic) to Valanginian (Early Cretaceous).

Literatura

Cossmann, M. 1895a. Paléontologie I. Paléozoologique. Gastéropodes. Annuaire Géologique Universel 10, 737–780.

Kaim, A. 2004. The evolution of conch ontogeny in Mesozoic open sea gastropods. Palaeontologia Polonica 62, 3–183.