Quebrada Matahuaico, Coquimbo (Jurassic of Chile)

Where: Chile (30.1° S, 70.6° W: paleocoordinates 32.6° S, 31.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Late/Upper Sinemurian (196.5 - 189.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithology not reported

Size class: macrofossils

Preservation: mold/impression

Collection methods: mechanical,

Primary reference: M. Aberhan. 1994. Early Jurassic Bivalvia of northern Chile. Part I. Subclasses Palaeotaxodonta, Pteriomorphia, and Isofilibranchia. Beringeria 13:3-115 [M. Aberhan/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 58439: authorized by Martin Aberhan, entered by Sabine Nürnberg on 07.02.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Trochoidea - Trochidae
Lithotrochus humboldtii2 von Buch 1839 top snail
fragments, juvenile
Bivalvia
 Ostreida - Gryphaeidae
 Pholadida - Ceratomyidae
Gresslya "sp. A"1 Agassiz 1843 clam