Echinoidea, Site 47, Marolles-sous-Lignières, Paris basin (Cretaceous of France)

Where: France (47.8° N, 3.9° E: paleocoordinates 38.5° N, 13.5° 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, ferruginous, ooidal, shelly/skeletal, argillaceous 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 69077: authorized by Loic Villier, entered by Loic Villier on 17.02.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Holectypoida - Holectypidae
Coenholectypus macropygus Agassiz 1836 sea urchin
 Spatangoida - Toxasteridae
Toxaster retusus Lamarck 1816 heart urchin
 Holasteroida - Holasteridae
 Irregularia - Nucleolitidae
Pygorhynchus obovatus Agassiz 1836 sea urchin
Phyllobrissus gresslyi Agassiz 1839 sea urchin