The Toarcian in the Subbetic Basin: Cerro de Mahoma section: Bed 47 (Jurassic of Spain)

Where: Murcia, Spain (38.1° N, 1.5° W: paleocoordinates 27.1° N, 9.1° E)

When: Aalensis ammonoid zone, Subbetic Basin Formation, Late/Upper Toarcian (180.1 - 175.6 Ma)

• Bed depth: 38.8m

Environment/lithology: basinal (); lithified limestone

• The lower part of the section (Serpentinum to Gradata Zones), ~14.5 m thick, is composed of red marly limestones, partially nodular red marls and marly limestones. Microfacies are mudstones and packstones with radiolarians, scarce thin-shelled bivalves, benthic foraminifers, ostracods, etc.

Size class: macrofossils

Primary reference: J. Sandoval, M. Bill, R. Aguado, L. O'Dogherty, P. Rivas, A. Morard, and J. Guex. 2012. The Toarcian in the Subbetic basin (southern Spain): Bio-events (ammonite and calcareous nannofossils) and carbon-isotope stratigraphy. 342(343):40-63 [A. Kocsis/L. Mulvey]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 201657: authorized by Adam Kocsis, entered by Laura Mulvey on 19.05.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Hildoceratidae
Osperleioceras subbeticum, "Pleydellia folleata" = Pleydellia, Pleydellia subcompta, "Cotteswoldia "sp"" = Pleydellia, "Pleydellia aalensis" = Cotteswoldia aalensis, Catulloceras insignisimilis
"Pleydellia folleata" = Pleydellia ammonite
Pleydellia subcompta Branco 1879 ammonite
"Cotteswoldia "sp"" = Pleydellia ammonite
"Pleydellia aalensis" = Cotteswoldia aalensis Zieten 1832 ammonite