Dětaň (Oligocene of Czech Republic)

Also known as Detan

Where: Czech Republic (50.2° N, 13.3° E: paleocoordinates 49.8° N, 9.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: MP 21 (33.9 - 28.4 Ma)

• mammals are mostly from one layer but plants and some other vertebrates are from nearby levels

• group of beds-level stratigraphic resolution

Environment/lithology: dry floodplain; lithified, fine-grained, calcareous tuff

• "a dry, well-drained [non-lacustrine] environment" covered with "evergreen forests" in a volcanic crater
• "heavy-fine bedded occasionally cross-bedded [reworked basaltic] tuffs" that are "altered and slightly calcareous"

Size classes: macrofossils, mesofossils

Preservation: mold/impression, replaced with calcite

Primary reference: O. Fejfar. 1987. A Lower Oligocene Mammalian Fauna from Dětañ and Dvérce NW Bohemia, Czechoslovakia. Münchner Geowissenschaftliche Abhandlungen A 10:253-264 [P. Mannion/P. Mannion]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 91467: authorized by John Alroy, entered by John Alroy on 28.09.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• many of the small mammals were recovered from a single apparent termite nest

•plant material includes rare leaf imprints, calcified woody roots, wood charcoal, and aragonite pseudomorphs, apparently of wood branches and stem (diameter 100 to 150 mm)"

 Blattodea -
 Dicondylia -
Hymenoptera indet. Linnaeus 1758 winged insect
 Testudines - Pantestudinidae
Geochelone sp. Fitzinger 1835 turtle
 Loricata -
Crocodylia indet. crocodilian
 Serpentes -
 Rodentia - Theridomyidae
 Rodentia - Cricetidae
 Rodentia - Dipodidae
cf. Parasminthus sp. Bohlin 1946 rodent
 Rodentia - Aplodontidae
"Plesispermophilus cf. atavus" = Lophallomys atavus
"Plesispermophilus cf. atavus" = Lophallomys atavus Schmidt-Kittler and Vianey-Liaud 1979 mountain beaver
 Rodentia - Sciuridae
Palaeosciurus sp. Pomel 1853 squirrel
said to be new
 Rodentia - Gliridae
Gliravus sp. Stehlin and Schaub 1951 dormouse
 Rodentia - Eomyidae
Eomys cf. zitteli Schlosser 1884 rodent
 Lipotyphla - Erinaceidae
cf. Neurogymnurus sp. Filhol 1877 hedgehog
 Lipotyphla - Talpidae
cf. Paratalpa sp. Lavocat 1951 mole
 Perissodactyla - Rhinocerotidae
Ronzotherium cf. filholi Osborn 1900 rhinoceros
 Tribosphenida - Heterosoricidae
Quercysorex sp. Engesser 1975 placental
 Carnivora - Ursidae
Cephalogale sp. Jourdan 1862 bear
 Carnivora - Amphicyonidae
 Ungulata - Suidae
 Ungulata - Entelodontidae
Entelodon antiquum even-toed ungulate
 Ungulata - Anthracotheriidae
Anthracotherium cf. monsvialense de Zigno 1888 anthracothere
 Ungulata - Cainotheriidae
Paroxacron sp. Hürzeler 1936 even-toed ungulate
 Ungulata - Gelocidae
Gelocus laubei Schlosser 1901 ruminant
Bachitherium cf. curtum Filhol 1877 ruminant
 Ungulata - Lophiomerycidae
Lophiomeryx mouchelini Brunet and Sudre 1987 ruminant
 Hyaenodonta - Hyaenodontidae
Hyaenodon sp. Laizer and Parieu 1838 eutherian
 Theriiformes - Herpetotheriidae
Amphiperatherium sp. Filhol 1879 marsupial
 Dioscoreales - Liliidae
Smilax sp. Linnaeus
 Urticales - Dilleniidae
Zelkova sp. Spach 1841 zelkova
Ulmus sp. Linnaeus 1753 elm
 Juglandales - Hamamelidae
Carya sp. Nuttall 1818 hickory
 Fagales - Betulaceae
Alnus sp. Miller 1768 alder