Where: Coimbra, Portugal (40.1° N, 8.5° W: paleocoordinates 30.6° N, 3.9° E)

When: Polymorphum ammonoid zone, São Gião Formation, Early/Lower Toarcian (183.0 - 182.0 Ma)

• Semicelatum Subzone

• bed-level stratigraphic resolution

Environment/lithology: offshore ramp; lithified, argillaceous limestone

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by V. Piazza & M. Aberhan

Collection methods: bulk,

Primary reference: V. Piazza, L.V. Duarte, J. Renaudie and M. Aberhan. 2019. Reductions in body size of benthic macroinvertebrates as a precursor of the early Toarcian (Early Jurassic) extinction event in the Lusitanian Basin, Portugal. Paleobiology 45(2):296-316 [M. Aberhan/V. Piazza]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 211007: authorized by Martin Aberhan, entered by Veronica Piazza on 23.06.2020

Creative Commons license: CC BY (attribution)