Where: Heilongjiang, China (45.9° N, 132.5° E: paleocoordinates 51.8° N, 132.1° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Yunshan Formation (Longzhaogou Group), Aptian (125.0 - 113.0 Ma)
• The association of all bivalves indicates an Aptian age for the Yunshan Formation.
• formation-level stratigraphic resolution
Environment/lithology: paralic; lithified siliciclastic sediments
Size class: macrofossils
Collection methods: Dinoflagellates not considered
Primary reference: J. Sha, M. Matsukawa, H. Cai, B. Jiang, M. Ito, C. He, and Z. Gu. 2003. The Upper Jurassic–Lower Cretaceous of eastern Heilongjiang, northeast China: stratigraphy and regional basin history. Cretaceous Research 24(6):715-728 [W. Kiessling/W. Kiessling/W. Kiessling]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 59663: authorized by Martin Aberhan, entered by Sabine Nürnberg on 06.04.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Deuteropoda | |
Ostracoda indet. Latreille 1802 ostracod | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Bivalvia | |
Bivalvia indet. Linnaeus 1758 clam | |
Aucellina caucasica scallop
Aucellina aptiensis scallop
Aucellina cf. caucasica scallop
Aucellina cf. aptiensis scallop | |
Thracia rotundata clam | |
Sinopsammobia ovalis Li et al. 1982 clam | |
Filosina subovalis clam | |
Brachiopoda | |
Brachiopoda indet. Cuvier 1805 |