SK-1 (North) borehole, Songliao Basin, 332 m depth: Danian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Heterostropha - Valvatidae
Valvata jiaolaiensis Yu et al. 2021
4 specimens
Gastropoda - Heterostropha - Ellobiidae
Zaptychius sp. Walcott 1884
1 specimen
Gastropoda - Pomatiopsidae
? Tricula informal sp. 2 Benson 1843
19 specimens
see common names

Geography
Country:China State/province:Heilongjiang
Coordinates: 46.2° North, 124.3° East (view map)
Paleocoordinates:48.2° North, 113.2° East
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Paleocene
Stage:Danian 10 m.y. bin:Cenozoic 1
Key time interval:Danian Other zone: Microchara prolixa
Age range of interval:66.00000 - 61.60000 m.y. ago
Stratigraphy
Formation:Mingshui
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: poorly lithified "siliciclastic"
Environment:fluvial-lacustrine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:core,sieve
Reason for describing collection:taxonomic analysis
Museum repositories:NIGPAS
Metadata
Database number:232163
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:freshwater
Created:2023-10-28 11:05:40 Last modified:2023-10-28 11:13:03
Access level:the public Released:2023-10-28 11:05:40
Creative Commons license:CC BY
Reference information

Primary reference:
86202. T. T. Yu, S. Li, R. B. Salvador, D. P. Xi, H. C. Zhang and X. Q. Wan. 2023. Freshwater gastropods across the Cretaceous-Paleogene boundary in the Songliao Basin, north-east China. Cretaceous Research 152(105672) [M. Clapham/M. Clapham/M. Clapham]