Locality 822, Rio Potimalal, Mendoza (Jurassic of Argentina)

Where: Mendoza, Argentina (35.9° S, 70.0° W: paleocoordinates 33.9° S, 31.4° W)

• coordinate estimated from map

When: Groeberi ammonoid zone, Cuyo Group, Murchisonae (175.6 - 171.6 Ma)

• Bed D

• group of beds-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified, shelly/skeletal sandstone

• environment is my inference based on description and context
• Lumachelle with crossbedded sandstones

Size class: macrofossils

Collection methods: Repository: Museo de Ciencias Naturales, La Plata, Argentina (MLP)

Primary reference: G. E. G. Westermann and A. C. Riccardi. 1982. Ammonoid fauna from the Early Middle Jurassic of Mendoza Province, Argentina. Journal of Paleontology 56(1):11-41 [S. Peters/S. Peters/O. Alfaro]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 63852: authorized by Shanan Peters, entered by Shanan Peters on 22.08.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Hammatoceratidae
Puchenquia (Gerthiceras) compressa Westermann and Riccardi 1982 ammonite
? Puchenquia (Gerthiceras) mendozana n. sp. Westermann and Riccardi 1982 ammonite