Santa Cruz Cliff, oyster patch reefs, Lisboa: Late Kimmeridgian, Portugal

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Echinoidea - Hemicidaridae
Pseudocidaris sp.
0.50 %-specimens
Gastropoda - Trochidae
"Trochus" inornatus
15.03 %-specimens
Sabellida - Serpulidae
Serpula (Dorsoserpula) sp. Linnaeus 1758
3.71 %-specimens
Bivalvia
Heterodonta indet. Neumayr 1884
0.17 %-specimens
Bivalvia - Pectinida - Anomiidae
Placunopsis suprajurensis
0.67 %-specimens
Bivalvia - Ostreida - Malleidae
Isognomon lusitanicum
0.50 %-specimens
Bivalvia - Ostreida - Pinnidae
Trichites sp. Lhuyd 1760
0.17 %-specimens
Bivalvia - Ostreida - Gryphaeidae
Nanogyra nana (Sowerby 1822)
55.57 %-specimens
Praeexogyra pustulosa
22.29 %-specimens
Bivalvia - Mytilida - Mytilidae
Lithophaga sp. Röding 1798
0.50 %-specimens
Arcomytilus morrisi
0.50 %-specimens
Gastropoda
Gastropoda indet. Cuvier 1795
0.33 %-specimens
sp. B
see common names

Geography
Country:Portugal
Coordinates: 39.1° North, 9.4° West (view map)
Paleocoordinates:33.4° North, 1.0° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Jurassic Epoch: Late Jurassic
Stage: Kimmeridgian 10 m.y. bin: Jurassic 5
Key time interval: Late Kimmeridgian
Age range of interval: 152.2 - 149.2 m.y. ago
Stratigraphy
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified "limestone"
Secondary lithology: lithified siltstone
Lithology description: 2 levels of small patch reefs (maximum diameter 2 m, height between 60 and 80 cm) occur scattered within marly silts.
Environment:reef, buildup or bioherm
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Collection size:592 specimens
Reason for describing collection:paleoecologic analysis
Metadata
Also known as:Reef 2764
Database number:68232
Authorizer:W. Kiessling Enterer:U. Merkel
Modifier:U. Merkel Research group:marine invertebrate
Created:2007-01-10 02:07:56 Last modified:2007-01-10 04:49:55
Access level:the public Released:2007-01-10 02:07:56
Creative Commons license:CC BY
Reference information

Primary reference:

19628. F. T. Fürsich. 1981. Salinity-controlled benthic associations from the Upper Jurassic of Portugal. Lethaia 14:203-223 [W. Kiessling/U. Merkel]