Where: France (47.8° N, 3.7° E: paleocoordinates 38.5° N, 13.3° E)
• coordinate based on nearby landmark
• hand sample-level geographic resolution
When: Calcaires à spatangues Formation, Early/Lower Hauterivian (136.4 - 130.0 Ma)
• member-level stratigraphic resolution
Environment/lithology: deep subtidal; poorly lithified, glauconitic, gray, yellow, sandy packstone and poorly lithified, glauconitic, ooidal, shelly/skeletal packstone
Size class: macrofossils
Collection methods: surface (float),
Primary reference: B. David. 1985. La variation chez les échinides irréguliers. Dimensions ontogénétiques, écologiques, évolutives. Thèse de l'Université de Dijon 1-302 [L. Villier/L. Villier]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 69745: authorized by Loic Villier, entered by Loic Villier on 06.03.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
Coenholectypus macropygus Agassiz 1836 sea urchin | |
Plagiochasma olfersii Agassiz 1836 sea urchin
Phyllobrissus gresslyi Agassiz 1839 sea urchin | |
Pygurus montmolini sea urchin | |
Toxaster retusus Lamarck 1816 heart urchin | |
Holaster intermedius sea urchin |