The late Middle Jurassic lagerstätte at La Voulte-sur-Rhône, in the Ardèche region of southwestern France, offers paleontologists an outstanding view of an undisturbed paleoecosystem that was preserve
The mines ravine of the Voulte lagerstätte.
Pyritized fossil of Vampyronassa rhodanica from La Voulte-sur-Rhône
Rhomboteuthis lehmani from La Voulte-sur-Rhône
Life reconstruction of V. rhodanica
Ostenocaris
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Ostenocaris is a Jurassic species of giant Thylacocephalan crustacean, sufficiently distinct from its relatives to be placed in its own family, Ostenocarididae. It comprises at least two known species
La Voulte-sur-Rhône (lagerstätte)
…boissinensis Colossendeidae A large pycnogonid with a very long proboscis Palaeoendeis P. elmii Endeidae (Pycnogonida) Vaguely similar to Haliestes? Ostenocaris O. ribeti Thylacocephala Formerly classified as Clausocaris ribeti, much smaller than the type species of Ostenocaris Reconstruction of O. ribeti…
Ostenocaris cypriformis fossil and reconstructive model; the latter shows the life position as originally interpreted, with the "cephalic sac" lacking eyes downward (assumed partially sunken into the bottom sediments).
Fossil of Ostenocaris