Also known as Montréal-du-Gers
Where: Midi-Pyrenees, France (43.9° N, 0.2° E: paleocoordinates 44.1° N, 1.2° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: MN 4 (16.9 - 16.0 Ma)
Environment/lithology: fluvial-lacustrine; marl
Size classes: macrofossils, mesofossils
Collected by F. Duranthon et al. (MHNT) in 1987-2003
Collection methods: bulk, sieve
• specimens are reposited in the Muséum d’Histoire Naturelle Toulouse (MHNT)
Primary reference: J.-C. Rage and S. Bailon. 2005. Amphibians and squamate reptiles from the late early Miocene (MN 4) of Béon 1 (Montréal-du-Gers, southwestern France). Geodiversitas 27(3):413-441 [J. Mueller/T. Liebrecht]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 136919: authorized by Johannes Mueller, entered by Torsten Liebrecht on 06.12.2012, edited by Mark Uhen
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
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Pseudopus laurillardi Lartet 1851 legless lizard posterior part of a braincase (Béon 2004 LT 38), 1 right dentary (Béon 2004 LT 39) 129 vertebrae (Béon 2004 LT 40 to 47; Béon E3 SN 1 and SN 2; Béon 98 déblais SN 1), 16 osteoderms (Béon 2004 LT 48)
Ophisaurus sp. Daudin 1803 glass lizard 1 fragm. left dentary (Béon 2004 LT 49), 1 pterygoid (Béon 2004 LT 50, assignment uncertain), 20 vertebrae (Béon 2004 LT 51 and 52)
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Natrix sansaniensis, Natrix aff. merkurensis, Natrix cf. longivertebrata, Palaeonatrix aff. lehmani, Natricinae indet., Neonatrix natricoides, Neonatrix europaea, Colubrinae indet., Texasophis meini, Coluber pouchetii
Palaeonatrix aff. lehmani Rage and Roček 1983 colubrid snake 18 trunk vertebrae (Béon 2004 LT 72 and 73)
Natricinae indet. Bonaparte 1838 colubrid snake 1 incomplete maxilla (Béon 2004 LT 76), 101 trunk vertebrae (Béon 2004 LT 77 to 79)
Texasophis meini Rage and Holman 1984 colubrid snake 16 trunk vertebrae (Béon 2004 LT 62 and 63; Béon 98 F1 3076)
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Python europaeus boa 34 vertebrae (Béon 2004 LT 59 and 60; Béon 93 E3 SN 3 and 4; Béon 98 E3 3023, 3040, 3053 and 3056; Béon 98 F1 3049)
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Vipera sp. Laurenti 1768 pit viper "V. aspis complex", 13 trunk vetrebrae (Béon 2004 LT 82; Béon 93 E3 SN 5)
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Viperidae "indet. (Vipera ["oriental viper"] or Daboia)" Oppel 1811 viper 141 trunk vertebrae (Béon 2004 LT 83 to 86; Béon 93 E3 SN 6; Béon 98 déblais SN 2; Béon E3 3043; Béon 98 F1 3074)
Viperidae indet. Oppel 1811 viper 5 venom fangs (Béon 2004 LT 87), 36 incomplete vertebrae (Béon 2004 LT 88; Béon 93 E3 SN 7)
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Lacertidae "indet. 2" Bonaparte 1831 squamates 2 dentaries (Béon 2004 LT 32 and 33), larger than 'indet 1'
Lacertidae indet. Bonaparte 1831 squamates 2 premaxillae (Béon 2004 LT 34), 4 fragments of dentigerous bone (Béon 2004 LT 35), 2 longbones (Béon 2004 LT 36 and 37)
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Mammalia | |
Hyotherium lacaillei n. sp.2
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Amphibia | |
Triturus sp. Rafinesque 1815 newt 8 vertebrae (Béon 2004 LT 7 and 8), 4 longbones (Béon 2004 LT 9 and 10)
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Pelophylax sp.1 Fitzinger 1843 frog 2 angulosplenials (Béon 2004 LT 21), 12 vertebrae (Béon 2004 LT 22 and 23), 7 longbones (Béon 2004 LT 24 to 27)
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Latonia aff. ragei Hossini 1993 frog 10 skull bones (Béon 2004 LT 11 to 14), 4 vertebrae (Béon 2004 LT 15 and 16), 1 coracoid (Béon 2004 LT 17), 3 longbones (Béon 2004 LT 18 to 20)
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