Late Jurassic Cassiduloids (Echinodermata, Echinoidea) from West-Central Argentina: Taxonomic and Paleogeographic Implications
Patricio E. Caccia,
Cecilia S. Cataldo,
M. Beatriz Aguirre-Urreta
Abstract:Cassiduloids are relatively well-represented in the fossil record, especially in Europe and Northern Africa, ever since their first occurrence in the Lower Jurassic. The group shows an increase in diversity and abundance at the end of the Jurassic. In Argentina, cassiduloids are represented from the Middle Jurassic upwards. This paper describes a Tithonian cassiduloid from the Picún Leufú Formation (Neuquén Basin, Argentina) identified as Mepygurus? andinus new comb. according to the poorly developed bourrelet… Show more
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