The Toarcian in the Subbetic Basin: Cerro de Mahoma section: Sample 17 (Jurassic of Spain)
Where: Murcia, Spain (38.1° N, 1.5° W: paleocoordinates 27.0° N, 9.2° E)
When: Bifrons ammonoid zone, Subbetic Basin Formation, Middle Toarcian (182.0 - 175.6 Ma)
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: 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 201798: authorized by Adam Kocsis, entered by Laura Mulvey on 29.05.2019
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.
Show authors, comments, and common names
Coccolithophyceae | |
Lotharingius hauffii, Lotharingius velatus, Lotharingius crucicentralis, Lotharingius sigillatus, Watznaueria colacicchii
Lotharingius hauffii Grün and Zweili 1974
Lotharingius velatus Bown and Cooper 1989
Lotharingius crucicentralis Medd 1971
Lotharingius sigillatus Stradner 1961 | |
Biscutum dubium, Discorhabdus ("sp.") "cf. D. criotus", Discorhabdus striatus, Discorhabdus ignotus, Discorhabdus criotus, Similiscutum novum
Biscutum dubium Noël 1965
Discorhabdus ("sp.") "cf. D. criotus" Noël 1965
Discorhabdus striatus Moshkovitz and Ehrlich 1976
Discorhabdus ignotus Górka 1957
Discorhabdus criotus Bown 1987 | |
Schizosphaerella punctulata Deflandre and Dangeard 1938 | |
Mitrolithus lenticularis Bown 1987 | |
Crepidolithus crassus Deflandre 1954
Tubirhabdus patulus Rood et al. 1973 |