Fp 24. Near Valtorres (Cambrian of Spain)

Where: Spain (41.3° N, 1.8° W: paleocoordinates 58.3° S, 108.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Parabolina spinulosa trilobite zone, Valtorres Formation, Guzhangian (500.5 - 497.0 Ma)

• Approximately equivalent to the Baltic Parabolina spinulosa zone

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified sandstone

• event beds are tempestitic (Fp24) and tuffitic (Fp32), shell accumulations

Size class: mesofossils

Preservation: concretion

Collection methods: surface (in situ), mechanical

Primary reference: S. Zamora, J. J. Alvaro, and D. Vizcaîno. 2009. Pelmatozoan echinoderms from the Cambrian–Ordovician transition of the Iberian Chains (NE Spain): early diversification of anchoring strategies. Swiss Journal of Geosciences 102(1):43-55 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 197252: authorized by Pete Wagner, entered by Pete Wagner on 26.10.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Billingsellida - Billingsellidae
Artiopoda
 Agnostida - Diplagnostidae
Pseudagnostus sp. Jaekel 1909
Trilobita
  -
 Olenida - Aphelaspidae
aff. Aphelaspis rara, "Elegantaspis cf. beta" = Kazakhius
"Elegantaspis cf. beta" = Kazakhius trilobite
 Olenida - Idahoiidae
Valtorresia volkeri Shergold and Sduzy 1991 trilobite
  - Changshaniidae
? Parachangshania sp. Qian 1958 trilobite