The Toarcian in the Subbetic Basin: Cerro de Mahoma section: Sample 41a (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, Toarcian (182.7 - 174.1 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 201770: authorized by Adam Kocsis, entered by Laura Mulvey on 28.05.2019
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 | |
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Crepidolithus crassus Deflandre 1954 | |
Lotharingius crucicentralis, Lotharingius sigillatus, Lotharingius velatus, Watznaueria colacicchii, Watznaueria "sp. A", Watznaueria "sp. B"
Lotharingius crucicentralis Medd 1971
Lotharingius sigillatus Stradner 1961
Lotharingius velatus Bown and Cooper 1989
Watznaueria "sp. A" Reinhardt 1964
Watznaueria "sp. B" Reinhardt 1964 | |
|
Schizosphaerella punctulata Deflandre and Dangeard 1938 | |
Discorhabdus striatus, Discorhabdus criotus, Biscutum dubium, Biscutum intermedium, Similiscutum novum
Discorhabdus striatus Moshkovitz and Ehrlich 1976
Discorhabdus criotus Bown 1987
Biscutum dubium Noël 1965
Biscutum intermedium Bown 1987 | |
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Carinolithus superbus Deflandre 1954 | |
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Triscutum sullivanii de Kaenel and Bergen 1993 | |