Where: Chile (33.8° S, 70.1° W: paleocoordinates 32.6° S, 33.5° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Units IV-VI Member (Lo Valdés Formation), Berriasian (145.0 - 139.8 Ma)
• Unit IV: 110 m.
•Unit V and VI: 100 m.
• group of beds-level stratigraphic resolution
Environment/lithology: offshore ramp; lithified, shelly/skeletal wackestone and lithified shale
Size class: macrofossils
Primary reference: A. Hallam, L. Biró-Bagóczky, and E. Perez. 1986. Facies analysis of the Lo Valdés Formation (Tithonian-Hauterivian) of the High Cordillera of Central Chile, and the palaeogeographic evolution of the Andean Basin. Geological Magazine 123(4):425-435 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 57145: authorized by Martin Aberhan, entered by Sabine Nürnberg on 06.12.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
"Isocardia" koeneni clam | |
""Cyprina" argentina" = Arctica
""Cyprina" argentina" = Arctica clam | |
"Panopaea dupinian" = Panopea
"Panopaea dupinian" = Panopea clam | |
Girardotia dupiniana clam
Pholadomya gigantea Sowerby 1836 clam | |
"Lucina" leufuensis clam
"Lucina" neuquensis Haupt 1907 clam | |
Ptychomya koeneni clam | |
Eriphyla argentina Burckh and Weaver 1907 clam | |
"Iotrigonia sp." = Megatrigonia (Iotrigonia)
"Iotrigonia sp." = Megatrigonia (Iotrigonia) Van Hoepen 1929 clam | |
Plagiostoma sp. Sowerby 1814 file clam
Pseudolimea sp. Douglas and Arkell 1932 file clam | |
"Ostrea" lotenoensis oyster | |
Gervillaria leufuensis oyster | |
Isognomon cf. ricordiana oyster | |
Pinna cf. robinaldina d'Orbigny 1844 oyster | |
Inoceramus sp. Sowerby 1814 clam | |
Cucullaea gabrielis clam | |
Modiolus sp. Lamarck 1801 mussel | |
Nucula sp. Lamarck 1799 nut clam |