Where: León, Spain (42.9° N, 5.2° W: paleocoordinates 55.1° S, 105.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: upper Member (Láncara Formation), Middle Cambrian (509.0 - 497.0 Ma)

• Informal member and beds. Identified as regional Middle Cambrian, just above an unconformity.

Environment/lithology: sand shoal; lithified, glauconitic, ooidal, shelly/skeletal, calcareous limestone

Size classes: mesofossils, microfossils

Preservation: cast, original phosphate, replaced with phosphate

Collection methods: acetic

Primary reference: S. Clausen and J. J. Álvaro. 2006. Skeletonized microfossils from the Lower–Middle Cambrian transition of the Cantabrian Mountains, northern Spain. Acta Palaeontologica Polonica 51(2):223-238 [T. Wong Hearing/T. Wong Hearing]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 216182: authorized by Thomas Wong Hearing, entered by Thomas Wong Hearing on 08.12.2020

Creative Commons license: CC BY (attribution)