Negritos (Eocene of Peru)

Where: Talara, Peru (4.7° S, 81.3° W: paleocoordinates 15.0° S, 111.9° W)

• coordinate estimated from map

When: Negritos Formation, Early/Lower Eocene (55.8 - 48.6 Ma)

• The "Crab Beds" inn the Calvilithes Series, about 1000 ft above the base.

Environment/lithology: shallow subtidal; lithified, muddy, sandy shale and lithified, sandy, conglomeratic sandstone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: H. Woods. 1922. Section B: Chapter VI: Crustacea from the Eocene Deposits of Peru. In T. O. Bosworth (ed.), Geology of the Tertiary and Quaternary Periods in the Northwest Part of Peru 114-118 [C. Schweitzer/L. Baltzly/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 165441: authorized by Carrie Schweitzer, entered by Lerin Baltzly on 19.01.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Hexapodidae
Thaumastoplax eocenica n. sp. Woods 1922 crab
 Decapoda - Xanthidae
Xanthopsis errans n. sp. Woods 1922 stone crab