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AuthorsM.V. Kakabadze, P.J. Hoedemaeker
TitleNew data on Early Cretaceous (Hauterivian-Barremian) heteromorphic ammonites from northern Germany
JournalScripta Geologica
Volume140
Year2010
Pages1-168
ISSN0375-7587
Keywordsheteromorphic ammonites; systematics; Hauterivian; Barremian; stratigraphy; northern Germany; new taxa
AbstractThe stratigraphic ranges and systematics of heteromorphic ammonites from Lower Cretaceous (Hauterivian-Barremian) deposits in Lower Saxony, northern Germany, are revised. Nine genera and fortyseven species of the family Ancyloceratidae Gill, 1871, are described. One genus (Fissicostaticeras) and 20 species are new; Emericiceras ressense, E. sornayiforme, E. serpentinum, E. subtilicostatum, E. gotti, E. hannoverense, E. kemperi, Crioceratites hastensis, C. subisocostatus, C. vermiformis, Fissicostaticeras claviferum, F. aequicostatoides, F. rarocinctoides, Paracrioceras kleini, Acrioceras (Acrioceras) sarstedtense, A. (A.) crassicostatum, A. (A.) aegidii, A. (A.) longum, A. (A.) astrictum and Uhligia aegidii.
Classification38.22
Document typearticle
Download paperpdf document http://www.repository.naturalis.nl/document/163073