Where: Aragon, Spain (41.2° N, 1.5° W: paleocoordinates 48.4° S, 112.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Protolenus jilocanus trilobite zone, Valdemiedes Formation (Mesones Group), Early/Lower Cambrian (538.8 - 509.0 Ma)

• beds 1b-6d below the Valdemiedes Event, Cambrian series 2, latest stage 4 (Bilbilian)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified shale

Size class: macrofossils

Preservation: mold/impression

Primary reference: D. C. Garcia-Bellido, M. E. Dies Alvarez, J. A. Gamez Vintaned, E. Linan, and R. Gozalo. 2011. First report of Crumillospongia (Demospongea) from the Cambrian of Europe (Murero biota, Spain). Bulletin of Geosciences 86(3):641-650 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 120552: authorized by Wolfgang Kiessling, entered by Uta Merkel on 17.11.2011

Creative Commons license: CC BY (attribution)