The Toarcian in the Subbetic Basin-La Cerradura Section : Sample 138 (Jurassic of Spain)

Where: Jaén, Spain (37.7° N, 3.6° W: paleocoordinates 27.5° N, 7.2° E)

When: Subbetic Basin Formation, Toarcian (182.7 - 174.1 Ma)

Environment/lithology: basinal (); lithified limestone

• The uppermost Pliensbachian–Lower Toarcian is ~29 m thick and consists of white-grey marly limestone and grey marl with abundant ammonites in the lower part, and reddish-grey marls with scarce belemnites and medium-sized concretions of barite in the top.

Size class: microfossils

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 201670: authorized by Adam Kocsis, entered by Laura Mulvey on 19.05.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

• Total abundance classes used are as follows: A= abundant, defined as more than 10 nannoliths/field of view (n./f.v.); C=common, defined as more than 1 and less than 10 n./f.v.; F= few, 1 nannolith in 1 to 10 f.v.; R= rare, defined as 1 nannolith in more than 10 f.v.
Coccolithophyceae
 Eiffellithales - Chiastozygaceae
 Prymnesiophycidae - Prymnesiophycidae
Schizosphaerella punctulata Deflandre and Dangeard 1938
 Watznaueriales - Watznaueriaceae
Lotharingius hauffii Grün and Zweili 1974
Lotharingius sigillatus Stradner 1961
Bussonius prinsii Noël 1973
 Podorhabdales - Biscutaceae
 Podorhabdales - Axopodorhabdaceae
Axopodorhabdus atavus Grün and Prins 1974
 Podorhabdales - Calyculaceae
 Stephanolithiales - Parhabdolithaceae
Crucirhabdus primulus Rood et al. 1973
"Calcivascularis jansae" = Mitrolithus jansae Wiegand 1984