Laugnac (Miocene of France)

Where: Aquitaine, France (44.3° N, 0.6° E: paleocoordinates 44.3° N, 1.3° W)

• coordinate based on nearby landmark

When: Agenais Limestone Formation, MN 2 (22.4 - 20.0 Ma)

• see comments on lithology

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; sandy marl and limestone

• "At Laugnac [...] the bed bearing vertebrates is a lens of sandy marls interstratified in the "calcaire de l'Agenais". The sandy marls probably accumulated in a small lake (de Bonis 1973)" (Hossini & Rage, 2000).

Size classes: macrofossils, mesofossils

Reposited in the MNHN

Primary reference: S. Hossini and J.-C. Rage. 2000. Palaeobatrachid Frogs from the Earliest Miocene (Agenian) of France, with Description of a New Species. Geobios 33(2):223-231 [J. Mueller/T. Liebrecht]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 136755: authorized by Johannes Mueller, entered by Torsten Liebrecht on 04.12.2012, edited by Juan Benito Moreno and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Salientia - Palaeobatrachidae
Palaeobatrachus robustus n. sp. Hossini and Rage 2000 frog
7 skull bones (MNHN LAU 4 to 8; holotype is a frontopatietal included in LAU 7), 26 angulosplenials (LAU 9 to 12, 25), 4 vertebrae and 1 synsacrum (LAU 13 to 15), 4 scapulae and 4 coracoids (LAU 16 to 19), 17 long bones (LAU 20 to 24)
 Salientia -
Latonia ragei n. sp.2
Latonia ragei n. sp.2 Hossini 1993 frog
106 maxilla, 3 premaxilla, 5 oticoccipital, 126 angulars, 3 atlas vertebrae, 33 presacral vertebrae, 10 sacral vertebrae, 45 urostyles, 16 scapulae, 15 coracoids, 71 humeri, 40 radio-ulna, 45 iliums, 1 femur, 31 tibio-fibula,
Reptilia
 Testudines - Pangeoemydidae
Ptychogaster emydoides1 Pomel 1847 turtle
 Squamata - Crotalidae
Vipera sp.3 Laurenti 1768 pit viper
"'Vipera aspis complex'"