Portugal E1/107 (Jurassic of Portugal)

Where: Portugal (38.4° N, 9.2° W: paleocoordinates 32.8° N, 0.6° E)

• coordinate based on political unit

• small collection-level geographic resolution

When: Alcobaca Formation, Early/Lower Tithonian (150.8 - 145.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marginal marine; lithified, fine-grained, silty sandstone

• shallow siliciclastic shelf
• silty fine-sand with plant debris

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 Unpublished data.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 7891: authorized by Franz Fursich, entered by Hans Eichiner on 06.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Cidaroida -
Cidaroida indet. Claus 1880 pencil urchin
spine
Bivalvia
 Carditida - Astartidae
 Pholadida - Corbulidae
 Cardiida - Tancrediidae
Tancredia sp. Lycett 1850 clam
 Cardiida - Cardiidae
 Thraciida - Thraciidae
Thracia incerta Thurmann 1836 clam
 Heteroconchia -
Heterodonta "sp. A" Neumayr 1884 clam
A
Heterodonta "sp. B" Neumayr 1884 clam
B
 Trigoniida - Myophorelloidae
Myophorella sp. Bayle 1878 clam
 Mytilida - Mytilidae
"Modiolus imbricatus" = Modiolus (Modiolus) imbricatus Sowerby 1818 mussel
 Ostreida - Pteriidae
Pteroperna pygmaea pearl oyster
 Ostreida - Gryphaeidae
"Liostrea dubiensis" = Praeexogyra dubiensis, "Nanogyra nana" = Nanogyra (Nanogyra) nana
"Liostrea dubiensis" = Praeexogyra dubiensis Contejean 1859 oyster
"Nanogyra nana" = Nanogyra (Nanogyra) nana Sowerby 1822 oyster
 Nuculanida - Nuculanidae