Also known as Quercy, MP 22
Where: Midi-Pyrenées, France (44.4° N, 1.7° E: paleocoordinates 43.6° N, 1.6° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: MP 22 (33.9 - 28.4 Ma)
• member-level stratigraphic resolution
Environment/lithology: sinkhole; poorly lithified, red mudstone
Size class: mesofossils
• The average size of the fossils recovered from the "déblais" is smaller than that of the material from the original cave fills, since the largest pieces have been collected systematically during the active period of the phosphate mine in the late 19th century.
Preservation: original phosphate
Collected in 2009-2012
Collection methods: surface (float), sieve
• "Fossils were collected directly from the sediment and after screen washing" (Rage & Augé, 2015).
•"The material is curated in the Institut des Sciences de l’Évolution (ISEM), Université de Montpellier 2, France" (Rage & Augé, 2015).
Primary reference: J.-C. Rage and M. Augé. 2015. Valbro: A new site of vertebrates from the early Oligocene (MP 22) of France (Quercy). III - Amphibians and squamates. Annales de Paléontologie 101(1):29-41 [J. Mueller/T. Liebrecht]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 167537: authorized by Johannes Mueller, entered by Torsten Liebrecht on 20.03.2015, edited by Philip Mannion and Terri Cleary
Creative Commons license: CC BY (attribution)
Taxonomic list
Amphibia | |
Alytidae indet. Fitzinger 1843 midwife toads "Discoglossus group"; VBO 520 (anterior part of a single urostyle)
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Reptilia | |
Ophisauromimus coderetensis1 Augé 2005 squamates "Dopasia s.l. sp."; VBO 52 (4 trunk vertebrae); VBO 53 (6 caudal vertebrae)
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Uromastyx europaeus Moody 1980 spiny-tailed lizard VBO 46 (1 left dentary), VBO 47 and 48 (2 maxilla fragments), VBO 49 (1 trunk vertebra)
Amphisbaenia indet. worm lizard VBO 65 (2 poorly preserved dentaries), VBO 66 (19 trunk vertebrae), VBO 67 (3 caudal vertebrae)
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Amphisbaenidae indet. worm lizard VBO 56 (1 right dentary), VBO 57 (1 incomplete premaxilla), VBO 58 to 60 (30 trunk vertebrae), VBO 61 (2 caudal vertebrae)
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Coluber cadurci Rage 1974 racer VBO 531 and 532 (15 mid-trunk vertebrae), VBO 533 (1 posteriormost trunk vertebra), VBO 534 (5 caudal vertebrae)
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Mammalia | |
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Nimravidae indet.3, "Eusmilus bidentatus" = Hoplophoneus bidentatus2, Nimravus intermedius3, Dinailurictis bonali3, "Eofelis edwardsi" = Eofelis edwardsii2
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? Amphicynodon "sp. 2"3, cf. Amphicynodon typicus3, Pachycynodon sp.3, Pachycynodon crassirostris3, Pachycynodon cf. dubius2, cf. Pachycynodon boriei3, Pachycynodon cf. filholi2
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"Butseloglis micio" = Schizogliravus micio3, "Bransatoglis planus" = Oligodyromys planus3, "Gliravus tenuis" = Butseloglis tenuis3
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