Traits taxon details
original description
Barrande J. (1881). <i>Systême silurien du centre de la Bohême. Première partie: Recherches paléontologiques, vol. 6. Classe des Mollusques. Ordre des Acéphalés</i>. Prague: Published by the author. , available online at https://www.biodiversitylibrary.org/page/14947496 page(s): 128 [details]
basis of record
Klug, C.; Kröger, B.; Rücklin, M.; Korn, D.; Schemm-Gregory, M.; De Baets, K.; Mapes, R. H. (2008). Ecological change during the early Emsian (Devonian in the Tafilalt (Morocco), the origin of the Ammonoidea, and the first African pyrgocystid edrioasteroids, machaerids and phyllocarids. <em>Palaeontographica, Abt. A.</em> 283(4-6): 83-176. page(s): 117 [details] Available for editors 
|