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 216179: authorized by Thomas Wong Hearing, entered by Thomas Wong Hearing on 08.12.2020
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Hexactinellida | |
Hexactinellida indet. Schmidt 1870 glass sponge | |
Coeloscleritophora | |
Chancelloria "sp. B" Walcott 1920 | |
Torellella sp. Holm 1893 |