B9-Cerro Puchenque (I), Bed 317, Mendoza (Jurassic of Argentina)

Where: Mendoza, Argentina (35.5° S, 69.9° W: paleocoordinates 35.9° S, 30.0° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Puchenque Formation, Pliensbachian (190.8 - 182.7 Ma)

• within the Fanninoceras ammonite Zone

• bed-level stratigraphic resolution

Environment/lithology: marine; green, calcareous sandstone and shale

• fine light-green calcareous sandstones, very hard, within interbedded shell-beds; local intercalations of laminated sandstones and shales and also of medium to carse sandstones; the individual sequences are graded, suggesting either storm or turbiditic origin for this portion of the section

Size class: macrofossils

Collection methods: surface (in situ),

Primary reference: S. E. Damborenea. 1987. Early Jurassic Bivalvia of Argentina: Part 1, Stratigraphical introduction and superfamilies Nuculanacea, Arcacea, Mytilacea and Pinnacea. Palaeontographica A199(1-3):23-111 [W. Kiessling/W. Kiessling]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 33777: authorized by Arnold Miller, entered by Karen Layou on 07.08.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Anthozoa
  -
Anthozoa indet.
Anthozoa indet. Ehrenberg 1834
Cephalopoda
 Ammonitida - Eoderoceratidae
Fanninoceras sp.
Fanninoceras sp. McLearn 1930 ammonite
Bivalvia
 Arcida - Parallelodontidae
Parallelodon sp.
Parallelodon sp. Meek and Worthen 1866 clam
 Pectinida - Neitheoidae
Weyla unca
Weyla unca Philippi 1899 scallop
Brachiopoda
  -
Brachiopoda indet.
Brachiopoda indet. Cuvier 1805