![]()  | Up a level | 
Journal Article
 
 
    
    Becker, Ralph Thomas, Klug, Christian, Soete, Till, Hartenfels, Sven 
ORCID: 0000-0002-2243-2096, Aboussalam, Zhor Sarah and El Hassani, Ahmed
  
(2019).
The oldest ammonoids of Morocco (Tafilalt, lower Emsian).
 
      
    Swiss J. Palaeontol., 138 (1).
     S. 9 - 26.
    
    
     HEIDELBERG:
     SPRINGER HEIDELBERG.
     ISSN 1664-2384
  
  
 
 
    
    Stichling, Soeren, Becker, Ralph Thomas, Hartenfels, Sven 
ORCID: 0000-0002-2243-2096, Aboussalam, Zhor Sarah and May, Andreas 
ORCID: 0000-0002-6714-3925
  
(2022).
Drowning, extinction, and subsequent facies development of the Devonian Honne Valley Reef (northern Rhenish Massif, Germany).
 
      
    Palaeobiodiversity Palaeoenvironments, 102 (3).
     S. 629 - 697.
    
    
     HEIDELBERG:
     SPRINGER HEIDELBERG.
     ISSN 1867-1608
  
  
		