Where: France (46.6° N, 4.8° E: paleocoordinates 35.7° N, 15.3° E)
• coordinate estimated from map
• hand sample-level geographic resolution
When: Early/Lower Aalenian (175.6 - 171.6 Ma)
• Ludwigia murchisonae Zone
Environment/lithology: offshore ramp; limestone
Size class: macrofossils
Preservation: replaced with calcite
Collection methods: bulk,
• All individuals were collected from a single slab
Primary reference: A. Valette. 1929. Note sur quelques stellerides jurassiques du laboratoire de géologie de la faculté des sciences de Lyon. Travaux du Laboratoire de Géologique de la Faculté des Sciences de Lyon 16(13):1-62 [L. Villier/J. Millet]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 58931: authorized by Loic Villier, entered by Julien Millet on 01.03.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Ophiuroidea | |
Ophiuricoma mazenoti n. gen. n. sp.
Ophiuricoma mazenoti n. gen. n. sp. Valette 1929 brittle star Very well preserved. Disk : 14 mm ; Arm : 71 mm
| |
Ophiura tinurtiensis n. sp.
| |
Cephalopoda | |
Ludwigia murchisonae Sowerby 1829 ammonite |