Diagnoza

Elongate shell, 2.6 times as high as broad. Suture incised. Ornament consisting of four granulated spiral ribs and weakly prosocline axial ribs.

Porównanie

Cryptaulax undulata (Eudes−Deslongchamps, 1842) has five spiral ribs and pisthocyrtic axial ribs. Cerithium muricatum var. trilineatum Hudleston, 1889 most probably represents another species. Procerithium (Rhabdocolpus) muricatum sensu Gründel (1974) has more rounded and wider whorls.

Autekologia

Występowanie geograficzne

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

Zasięg czasowy

Mid to Late Jurassic

Materiały muzealne

Material from England and three incomplete adult shells and two juvenile ones from Łuków, Poland.

Literatura

Hudleston, W.H. 1889. British Jurassic Gasteropoda. Gasteropoda of the Inferior  Oolite. Part 13, 137–192. Palaeontographical Society, London.

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

Sowerby, J. 1825. Mineral Conchology of Great Britain. No. LXXXVI, 153–168. Sherwood and Co., London.