Barda Baya 1 (Cretaceous of Argentina)

Where: La Pampa, Argentina (36.9° S, 67.9° W: paleocoordinates 39.2° S, 55.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Jagüel Formation (Malargüe Group), Maastrichtian (72.1 - 66.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: offshore; lithified, fine-grained, medium, shelly/skeletal siltstone

• Comprised mainly siltstones. From the published stratigraphic section: Shale with fine to medium grained sandstone some planar bedding and oscillation ripples

Size classes: macrofossils, mesofossils

Primary reference: M. Griffin, A. Parras, and S. Casadío. 2008. Late Maastrichtian-Danian Mytilids and Pinnids (Mollusca: Bivalvia) from Northern Patagonia, Argentina. Ameghiniana 45(1):139-152 [J. Sessa/L. Eccles/J. Sessa]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 106093: authorized by Jocelyn Sessa, entered by Laurie Eccles on 02.03.2011, edited by Evangelos Vlachos and Franco Aspromonte

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Baculitidae
Eubaculites argentinus2
Eubaculites argentinus2 ammonite
GHUNLPam 1,7,11,15-16,19,22-24,28,31,33,40 (neotype),52,54,56,62,71,214,231,235,239,244,264,270,273,276,278)
Bivalvia
 Mytilida - Mytilidae
Septifer mayai n. sp.
Septifer mayai n. sp. Griffin et al. 2008 mussel
 Ostreida - Pinnidae
Plesiopinna pampeana n. sp.
Plesiopinna pampeana n. sp. Griffin et al. 2008 oyster
GHUNLPam 810-811 and 4825
 Ostreida - Ostreidae
Ostrea wilckensi1
Ostrea wilckensi1 Ihering 1907 oyster
 Ostreida - Flemingostreidae
Ambigostrea clarae1
Ambigostrea clarae1 Ihering 1907 oyster
1Casadio 1998; 2Casadío and Leanza 1991