Where: Argentina (38.0° S, 69.8° W: paleocoordinates 37.0° S, 32.9° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Bajada del Agria Formation, Late/Upper Valanginian (140.2 - 136.4 Ma)
• Middle facies shell bed A, Neocomites Subzone
• bed-level stratigraphic resolution
Environment/lithology: shoreface; lithified, fine-grained, medium, yellow sandstone and lithified, gray mudstone
Size class: macrofossils
Primary reference: D. G. Lazo. 2003. Taxonomy, facies relationships and palaeobiology of bakevelliid bivalves from the Lower Cretaceous of west-central Argentina . Cretaceous Research 24(6):765-788 [W. Kiessling/W. Kiessling/W. Kiessling]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 44679: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 16.09.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Sedentaria | |
Cephalopoda | |
Neocomites sp. Uhlig 1905 ammonite | |
Bivalvia | |
Gervillella aviculoides Sowerby 1814 oyster | |
"Aetostreon sp." = Exogyra (Aetostreon), "Amphidonte (Ceratostreon) sp." = Ceratostreon
"Aetostreon sp." = Exogyra (Aetostreon) Bayle 1878 oyster
"Amphidonte (Ceratostreon) sp." = Ceratostreon Bayle 1878 oyster | |
Cucullaea gabrielis clam | |
Pholadomya gigantea Sowerby 1836 clam | |
Panopea gurgitis clam | |
Aphrodina quintucoensis venus clam | |
Eriphyla argentina Burckh and Weaver 1907 clam | |
| |
Steinmanella pehuenmapuensis Leanza 1998 clam | |
Trigonia carinata clam |