Portugal A17/312 (Jurassic of Portugal)

Where: Portugal (39.5° N, 9.1° W: paleocoordinates 33.7° N, 1.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Alcobaça Formation, Oxfordian (163.5 - 157.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lagoonal; poorly lithified, sandy marl

• silty marl, some lignite pieces

Size class: macrofossils

Preservation: replaced with calcite

Collection methods: bulk, mechanical,

Primary reference: F. T. Fürsich. 1999. Unpublished data. [F. Fursich/F. Fursich/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 8806: authorized by Franz Fursich, entered by Elmar Link on 30.08.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• Fragmentation: ~50%; trace fossils: Thalassinoides, Rhizocorallium irregulare; MP: lituolids, ostracods, teeth of reptiles and fishes.
Bivalvia
 Pectinida - Anomiidae
 Ostreida - Malleidae
Isognomon rugosum oyster
very small less than 2cm high
 Pholadida - Corbulidae
 Cardiida - Neomiodontidae
 Myoida -