Specimen ZPAL Ga.9/145 from the Late Callovian of Łuków (block in glacial drift) in lateral view

Diagnoza

Shell elongate, three times as high as broad. Suture incised. Ornament consistingof about 13–15 axial ribs per whorl and about five sharp spiral cords together forming distinct net of elongate meshes with distinct tubercules at intersections.

Porównanie

The shells of this species were often confused with C. muricata (Sowerby, 1825).

Autekologia

Występowanie geograficzne

Europe; in Poland known from Łuków (block in glacial drift).

Zasięg czasowy

Early to Late Jurassic.

Materiały muzealne

Material from Europe and over fifty incomplete specimens from Łuków.

Literatura

Brösamlen, R. 1909. Beitrag zur Kenntnis der Gastropoden des schwäbischen Jura. Palaeontographica 56, 177–321.

Cossmann, M. 1906. Essais de Paléoconchologie Comparée. Septième Livraison. 261 pp. M. Cossmann, F.R. de Rudeval, Paris.

Eudes−Deslongchamps, J.A. 1842. Mémoire sur les Cérites fossiles des Terrains secondaires du Calvados. Mémoires de la Société linnéenne de Normandie 7, 189–214.

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

Makowski, H. 1952. La Faune Callovienne de Łuków en Pologne. Palaeontologica Polonica 4, 1–64.