Kalmakerchin: Bathonian - Callovian, Kyrgyzstan
collected by L. A. Nessov et al 1992

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Vertebrata indet. (Lamarck 1801)
Amphibia - Temnospondyli
Anura indet. (Fischer von Waldheim 1813)
Docodonta
Docodonta indet. Kretzoi 1946
Left upper molar fragment ZIN 79026
Mammalia
Mammalia indet. Linnaeus 1758
Fragment of right ulna ZIN 79027
see common names

Geography
Country:Kyrgyzstan State/province:Jalal-Abad
Coordinates: 41.1° North, 73.5° East (view map)
Paleocoordinates:41.1° North, 77.9° East
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Middle Jurassic
Key time interval:Bathonian - Callovian
Age range of interval:168.20000 - 161.50000 m.y. ago
Stratigraphy
Formation:Balabansai
Stratigraphic resolution:group of beds
Stratigraphy comments: The mammal molar and ulna were found in the lowermost part of the red-colored interval of the Jurassic. The mammalian incisor or reptilian tooth came from the
upper part of this interval and was found close to a distal fragment of a humerus of a frog and some other vertebrate remains. The locality where the incisor was found is situated 1 km west from the locality that yielded a molar and an ulna fragment.
Lithology and environment
Primary lithology: "siliciclastic"
Includes fossils?Y
Lithology description: The formation consists of multicolored (mostly red, also grey, bluish and greenish) sandstones, siltstones and clays.
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:sieve,field collection
Reason for describing collection:taxonomic analysis
Collectors:L. A. Nessov et al Collection dates:1992
Collection method comments: Housed in the Zoological Institute of the Russian Academy of Sciences in St. Petersburg
Metadata
Database number:138960
Authorizer:P. Mannion Enterer:J. Tennant
Modifier:G. Varnham Research group:vertebrate
Created:2013-02-05 00:46:40 Last modified:2022-03-02 05:30:27
Access level:the public Released:2013-02-05 00:46:40
Creative Commons license:CC BY
Reference information

Primary reference:

39265. L. A. Nessov, Z. Kielan-Jaworowska, J. Hurum, A. O. Averianov, P. V. Fedorov, D. O. Potapov, and M. Froyland. 1994. First Jurassic mammals from Kyrgyzstan. Acta Palaeontologica Polonica 39(3):315-326 [R. Benson/R. Benson/J. Tennant]