Mormont Entreroches (Eocene of Switzerland)

Also known as Mauremont

Where: Switzerland (46.8° N, 7.3° E: paleocoordinates 43.1° N, 5.7° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Escamps level zone, Priabonian (38.0 - 33.9 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: J. Sudre. 1978. Les artiodactyles de l'Eocene moyen et superieur d'Europe occidentale; systematique et evolution. Memoires et Travaux de l'Institut de Montpellier de l'Ecole Pratique des Hautes Etudes 7:1-229 [E. Fara/E. Fara/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 31743: authorized by Emmanuel Fara, entered by Emmanuel Fara on 24.05.2003, edited by Terri Cleary and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

• incomplete
Mammalia
 Primates - Omomyidae
Microchoerus ornatus n. sp. Stehlin 1916 tarsier
Mt.132 Right maxilla with P2-M3
 Perissodactyla - Palaeotheriidae
Metanchilophus gaudini2 Pictet and Humbert 1869 odd-toed ungulate
 Artiodactyla - Choeropotamidae
Rhagatherium valdense Pictet 1857 even-toed ungulate
Choeropotamus depereti Stehlin 1908 even-toed ungulate
 Artiodactyla - Cebochoeridae
Acotherulum (Acotherulum) saturninum Gervais 1850 even-toed ungulate
Acotherulum (Acotherulum) pumilum Stehlin 1908 even-toed ungulate
 Artiodactyla - Dichobunidae
Hyperdichobune spectabilis n. sp., "Dichobune spinifera n. sp." = Hyperdichobune spinifera
Hyperdichobune spectabilis n. sp. Stehlin 1910 even-toed ungulate
Mt.392 Left mandible with p4-m3
"Dichobune spinifera n. sp." = Hyperdichobune spinifera Stehlin 1906 even-toed ungulate
Mt.147 Right maxilla with D3-M2
 Artiodactyla - Cainotheriidae
"Oxacron valdense n. sp." = Paroxacron valdense4
"Oxacron valdense n. sp." = Paroxacron valdense4 Stehlin 1906 even-toed ungulate
NMB Mt.230 - type
 Artiodactyla - Amphimerycidae
Amphimeryx murinus Cuvier 1822 even-toed ungulate
 Artiodactyla - Anoplotheriidae
Diplobune cf. secundaria Cuvier 1822 even-toed ungulate
Anoplotherium sp. Cuvier 1804 even-toed ungulate
 Artiodactyla - Gelocidae
Gelocus minor Pavlov 1900 ruminant
Reptilia
 Squamata - Amphisbaenidae
Amphisbaenidae indet.1 Gray 1865 worm lizard
?a vertebra
 Squamata - Anguidae
Anguini indet.1, Helvetisaurus picteti n. gen. n. sp.1, Paraxestops stehlini n. gen. n. sp.1
Anguini indet.1 Augé 2005 squamates
Helvetisaurus picteti n. gen. n. sp.1 Hoffstetter 1942 squamates
ML no. unknown, plate VIII in Pictet 1855-57 (holotype), lower jaw and a portion of cranial base
Paraxestops stehlini n. gen. n. sp.1 Hoffstetter 1962 squamates
NHMB fig. 1C and plate VI, fig. 2 in Hoffstetter 1962 (holotype), frontal; NHMB additional specimens: left mandible, about forty osteoderms, ?juvenile femur; NHMB Mt 934, ?cervical vertebra; NHMB Mt 940, 954, and 953, ?dorsal vertebrae; Mt 935, ?sacral vertebra; Mt 932, ?caudal vertebra
 Squamata - Necrosauridae
Necrosaurus sp.1 Filhol 1876 squamates
Musee de Bale, Lot Mt 932-960, caudal vertebra
 Crocodylia -
Alligatoroidea indet.3 Gray 1844 crocodilian
five unnumbered cranial fragments, a fragment of the retroarticular process and two isolated teeth; originally referred to Diplocynodon cf. hantoniensis by Pictet et al. (1857)