Just out | Ulphaceaster sarthacensis, new genus and new species of archiaciid echinoid from the Cenomanian of Sarthe (France) @ Annales de Paléontologie

Just out @ Annales de Paléontologie


A new genus and a new species of the echinoid family Archiaciidae from Cenomanian deposits in Sarthe (Paris Basin, France) are described. The genus Ulphaceaster nov. gen. can be distinguished from other archiaciids by its anterior ambulacrum, which is located in a deep groove running from the peristome to the apex where the test enlarges in a tea-spoon shape. The apical rostrum is taller and more slender than for species of the close genus Claviaster. The species Uphaceaster sarthacensis sp. nov. is known from the Saint-Ulphace locality only (Sables et Grès de Lamnay Formation, La Garenne quarry), where it is found in shallow marine sandy limestones, from infralittoral deposit environments.

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Lurdes Fonseca

Assistant Professor and Researcher at University of Lisbon
Sociologist (PhD), Paleontologist (Researcher in Micropaleontology), Majors in Sociology and Biology, Minor in Geology. Main interests in Paleontology: Microfossils, Molecular fossils, Paleobiology and Paleoecology. (read more about me)