Mutterlose, Jörg
(Hannover : Universität Hannover. Institut für Geologie und Paläontologie, 1978)
The belemnite species Hibolites jaculoides Swinnerton, 1937 is redefined on the basis of a bed by bed collection of 2100 rostrums from the Upper Hauterivian (Cretaceous deposits of NW Germany and Yorkshire, England. According ...