New record of Pseudocidaris sp. (Echinoidea:Hemicidaridae) of lower Cretaceous (Valanginian-Hauterivian) from Zapatoca, (Santander Colombia).

In this study it is reported and described a regular echinoderm of Pseudocidaris genus in the Rosablanca Formation of Lower Cretaceous at the municipality of Zapatoca (Santander, Colombia). The species shows little sinuosity in the ambulacra and a dyciclic apical disc. An exploratory phylogenetic an...

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Main Authors:	Jerez-Jaimes, Javier Hernando, Osma-Duarte, Alvaro Sergio, Puentes-Pérez, Joan Sebastián
格式:	Online
語言:	spa
出版:	Universidad Pedagógica y Tecnológica de Colombia - UPTC 2015
主題:	fossil rosablanca formation regular urchin sea urchin erizo de mar erizo regular formación rosablanca fósil
在線閱讀:	https://revistas.uptc.edu.co/index.php/ingenieria_sogamoso/article/view/4258