Arruda dos Vinhos marls, Portugal (Jurassic of Portugal)

Also known as Reef 2754

Where: Portugal (38.9° N, 9.0° W: paleocoordinates 33.1° N, 1.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Abadia Beds Formation, Early/Lower Kimmeridgian (155.7 - 150.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: slope; lithified, gray, sandy marl

• From Leinfelder (1993): The Cabrito grades into a shallowing upwards

•marl-sandstone turbidite succession (Abadia marls) topped by shallow-water limestones rich in coral facies and oolites (Amaral beds).

• graue, schwach sandige Mergel

Size class: macrofossils

Collection methods: quarrying, mechanical,

Primary reference: O. F. Geyer. 1955. Korallenfaunen aus dem Oberen Jura von Portugal. Senckenbergiana lethaea 35:317-356 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 34661: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 15.09.2003, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

Polychaeta
 Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Bivalvia
 Pectinida - Pectinoidae
Eopecten sp.1 Douvillé 1897 scallop
 Ostreida - Gryphaeidae
"Exogyra nana" = Nanogyra (Nanogyra) nana
"Exogyra nana" = Nanogyra (Nanogyra) nana Sowerby 1822 oyster
 Ostreida - Bakevelliidae
 Cardiida - Arcticidae
Anisocardia globosa Bean 1839 clam
 Pholadomyida - Pholadomyidae
Gastropoda
 Sorbeoconcha - Procerithiidae
 Turbinoidea - Turbinidae
""Delphinula" sp." = Angaria
""Delphinula" sp." = Angaria Röding 1798 snail
quotation mark added by me
 Seguenzioidea - Chilodontidae
 Trochoidea - Liotiidae
Cephalopoda
 Belemnoidea - Belemnopseidae
"Belemnites hastatus" = Belemnopsis hastata
"Belemnites hastatus" = Belemnopsis hastata Blainville 1808 belemnite
 Ammonitida - Perisphinctidae
Perisphinctes abadiensis Choffat 1893 ammonite
Echinoidea
 Cidaroida - Cidaridae
 Cidaroida - Rhabdocidaridae
 Cidaroida - Diplocidaridae
Diplocidaris gigantea Agassiz 1840 pencil urchin
 Cidaroida - Polycidaridae
Paracidaris marginata pencil urchin
Paracidaris nevesensis pencil urchin
Crinoidea
 Millericrinida -
Rhynchonellata
 Terebratulida - Terebratellidae