Number of the records: 1
Aptychi and their significance for taxonomy of Lower Cretaceous ammonites
- 1.
SYSNO ASEP 0347903 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Aptychi and their significance for taxonomy of Lower Cretaceous ammonites Author(s) Vašíček, Zdeněk (UGN-S) RID Source Title Journal of the National Museum, Natural History Series. - : Národní muzeum - ISSN 1802-6842
Roč. 18, č. 179 (2010), s. 183-188Number of pages 6 s. Publication form www - www Language eng - English Country CZ - Czech Republic Keywords anaptychi ; aptychi ; Neoammonoidea ; taxonomy ; Lower Cretaceous Subject RIV DB - Geology ; Mineralogy CEZ AV0Z30860518 - UGN-S (2005-2011) Annotation 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. Workplace Institute of Geonics Contact Lucie Gurková, lucie.gurkova@ugn.cas.cz, Tel.: 596 979 354 Year of Publishing 2011
Number of the records: 1