Number of the records: 1
Aptychi and their significance for taxonomy of Lower Cretaceous ammonites
- 1.0347903 - ÚGN 2011 RIV CZ eng J - Journal Article
Vašíček, Zdeněk
Aptychi and their significance for taxonomy of Lower Cretaceous ammonites.
Journal of the National Museum. Roč. 18, č. 179 (2010), s. 183-188. ISSN 1802-6842
Institutional research plan: CEZ:AV0Z30860518
Keywords : anaptychi * aptychi * Neoammonoidea * taxonomy * Lower Cretaceous
Subject RIV: DB - Geology ; Mineralogy
http://www.nm.cz/publikace/archiv.php?id=1&kcislu=179/2010
Scarce data on the occurence of anaptychi and aptychi in shells of Lower Cretaceous ammonites were summarized and compared with the current classification of ammonites. It is suggested that the Haploceratoidea did not survive the Hauterivian and supported the view that the Desmoceratoidea originated from the Phylloceratina.
Permanent Link: http://hdl.handle.net/11104/0188570
Number of the records: 1