Pech Desse (Oligocene of France)

Also known as Quercy

Where: Quercy, France (44.3° N, 1.3° E: paleocoordinates 44.0° N, 1.4° W)

• coordinate based on political unit

• local area-level geographic resolution

When: MP 28 (28.4 - 23.0 Ma)

• There are three levels in MP 28: Pech Desse is lower, Pech du Fraysse is middle, and Portal is upper. "The reference levels mark with mammals used for the biochronology in this work (MP) are those defined by the Mainz Conference (February 1987)."

• bed-level stratigraphic resolution

Environment/lithology: terrestrial

Size class: macrofossils

Primary reference: B. Comte and M. Vianey-Liaud. 1989. Eomyidae (Rodentia) de l'Oligocene d'Europe Occidentale. [Eomyidae (Rodentia) from the Oligocene of Western Europe.]. Palaeontographica Abteilung A 209(1-4):33-91 [J. Alroy/R. Whatley/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 36715: authorized by John Alroy, entered by Robin Whatley on 10.02.2004, edited by Jason Head, Terri Cleary and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Squamata - Lacertidae
Lacertidae indet.1 Bonaparte 1831 lizard
four premaxillae, one pelvis
Pseudeumeces cadurcensis2 Filhol 1877 lizard
USTL, PDS 3156, fourteen incomplete left dentaries; USTL, PDS 3157, sixteen incomplete right dentaries; USTL, PDS 3158, eight incomplete left maxillae; USTL, PDS 3159, four incomplete right maxillae; USTL, PDS 3160, four incomplete mandibles
Mediolacerta roceki1 Augé 2005 lizard
USTL coll.: five left dentaries, five right dentaries, one right maxilla
 Squamata - Anguidae
"Dopasia frayssensis" = Ophisauromimus frayssensis1, Anguini indet.1
"Dopasia frayssensis" = Ophisauromimus frayssensis1 Augé 2005 lizard
?incomplete dentary, tens of dorsal vertebrae
Anguini indet.1 Augé 2005 lizard
 Squamata - Boidae
Bavarioboa crocheti n. sp.10 Szyndlar and Rage 2003 boa
USTL PDS 3102 (holotype), one trunk vertebra; USTL PDS 3101, 3103-3108, 3113, 3114, 3128-3131, about 370 trunk vertebrae; PDS 3115, 3132, cloacal vertebrae; PDS 3116, 3133, 3134, 105 caudal vertebrae; PDS 3109, a pterygoid; PDS 3112, 3136, five right dentaries; PDS 3111, 3135, seven left dentaries
 Squamata - Tropidophiidae
Platyspondylia lepta10 Rage 1974 dwarf boa
 Squamata - Amphisbaenidae
Amphisbaenidae indet.1 Gray 1865 worm lizard
about ten dorsal vertebrae, four left dentaries, three right dentaries
 Squamata - Cordylidae
? Cordylidae sp.1 Gray 1837 spinytail lizard
?two dorsal vertebrae, one premaxilla
Mammalia
 Rodentia - Cricetidae
Pseudocricetodon philippi6 Hugueney 1971 mouse
 Rodentia - Sciuridae
Palaeosciurus goti12 Vianey-Liaud 1974 squirrel
 Rodentia - Gliridae
Microdyromys praemurinus11 Freudenberg 1941 dormouse
Peridyromys murinus11 Pomel 1853 dormouse
"Gliravus bruijni" = Schizogliravus bruijni11 Hugueney 1967 dormouse
Glirudinus glirulus11 Dehm 1935 dormouse
 Rodentia - Eomyidae
Eomys zitteli Schlosser 1884 rodent
 Rodentia - Zapodidae
Plesiosminthus moniqueae n. sp.5 Freudenthal and Martín-Suárez 2017 jumping mouse
PDS 510 - type
 Carnivora - Ursidae
Cyonarctos dessei n. gen. n. sp.4
Cyonarctos dessei n. gen. n. sp.4 de Bonis 2013 bear
PD 477 - holotype
 Carnivora -
Stenoplesictis cayluxi8 Filhol 1880 carnivoran
PD 180
Stenoplesictis crocheti8 Peigné and de Bonis 1999 carnivoran
PD 24, 52
 Hyaenodonta - Hyaenodontidae
Hyaenodon leptorhynchus9 Laizer and Parieu 1838 eutherian
 Artiodactyla - Gelocidae
Bachitherium lavocati n. sp.3 Sudre 1986 ruminant
USTL PDS1330; referred material: USTL PDS1863 and 1330
 Artiodactyla - Lophiomerycidae
Lophiomeryx chalaniati3 Pomel 1853 ruminant
USTL PDS1360
 Artiodactyla -
Prodremotherium elongatum3 Filhol 1877 ruminant
 Artiodactyla - Palaeomerycidae
Amphitragulus quercyi7 Filhol 1887 ruminant
USTL PDS1312, 1342, 1421, 1441, 1803, 2134 and 2137-2139
 Artiodactyla -
Dremotherium quercyi3 Filhol 1887 ruminant