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Exceptionally preserved insect fossils in the Late Jurassic lagoon of Orbagnoux (Rhône Valley, France).

Abstract : The Late Kimmeridgian marine limestones of the area around Orbagnoux (Rhône, France) are well known for their fish fauna and terrestrial flora. Here we record the first insects and their activities (mines on leaves and trails in sediments) from these layers, including the oldest record of the gerromorphan bugs, as a new genus and species Gallomesovelia grioti, attributed to the most basal family Mesoveliidae and subfamily Madeoveliinae. These new fossils suggest the presence of a complex terrestrial palaeoecosystem on emerged lands near the lagoon where the limestones were deposited. The exquisite state of preservation of these fossils also suggests that these outcrops can potentially become an important Konservat-Lagerstätte for the Late Jurassic of Western Europe.
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https://hal-agroparistech.archives-ouvertes.fr/hal-01497044
Contributor : Patricia Nel Connect in order to contact the contributor
Submitted on : Tuesday, March 28, 2017 - 11:29:17 AM
Last modification on : Tuesday, June 15, 2021 - 2:57:12 PM

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Andre Nel, Patricia Nel, Régis Krieg Jacquier, Jean-Marc Pouillon, Romain Garrouste. Exceptionally preserved insect fossils in the Late Jurassic lagoon of Orbagnoux (Rhône Valley, France).. PeerJ, PeerJ, 2014, ⟨10.7717/peerj.510⟩. ⟨hal-01497044⟩

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