Where: Italy (46.0° N, 9.1° E: paleocoordinates 33.2° N, 15.6° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Lombardische Kieselkalk Formation, Bucklandi (196.5 - 189.6 Ma)
• Lower Sinemurian, bucklandi zone. "Fossil remains are present throughout the whole thickness of the fossiliferous seies... The majority of these have been found between 1964 and 1979, without any precise indication of their position within the stratigraphic sequence"
• group of beds-level stratigraphic resolution
Environment/lithology: lagoonal or restricted shallow subtidal; lithified, pyritic lime mudstone
Size class: macrofossils
Preservation: adpression, soft parts
Collected by G. Pinna in 1964 to 1979
• Museum of Natural History of Milan collection
Primary reference: G. Pinna. 1985. Exceptional preservation in the Jurassic of Osteno. Philosophical Transactions of the Royal Society of London Series B, Biological Sciences 311:171-180 [J. Alroy/J. Alroy]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 90673: authorized by John Alroy, entered by John Alroy on 12.08.2009, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Ophiuroidea | |
Palaeocoma sp. d'Orbigny 1850 brittle star | |
Enteropneusta | |
Megaderaion sinemuriense n. gen. n. sp.
Megaderaion sinemuriense n. gen. n. sp. | |
Coelacanthimorpha | |
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Osteichthyes | |
Furo sp. Gistl 1848 ray-finned fish | |
Cosmolepis sp. Egerton 1858 | |
Pteroniscus sp. Berg 1949 | |
Actinopteri | |
Pholidolepis sp. Nybelin 1966
Pholidophorus sp. Agassiz 1832 | |
Placopleurus sp. Brough 1939 | |
Dapedium sp. Leach 1822 | |
Chondrichthyes | |
Squaloraja polyspondyla Agassiz 1836 chimaera | |
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Ostenoselache stenosoma n. gen. n. sp.2
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Brachiopoda | |
Brachiopoda indet. Cuvier 1805 | |
Polychaeta | |
Melanoraphia maculata n. gen. n. sp.
Melanoraphia maculata n. gen. n. sp. | |
Cephalopoda | |
Coroniceras sp. Hyatt 1867 ammonite | |
"Sulciferites sp." = Angulaticeras
"Sulciferites sp." = Angulaticeras Quenstedt 1882 ammonite | |
Ectocentrites sp. Canavari 1888 ammonite | |
Coleoidea indet. Bather 1888 | |
Bivalvia | |
Bivalvia indet. Linnaeus 1758 clam | |
Malacostraca | |
Aeger robustus n. sp.4, Aeger muensteri n. sp.4, Aeger elongatus n. sp.4, Aeger rostrospinatus n. sp.4, Aeger macropus n. sp.4, Aeger foersteri n. sp.4
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Mecochirus germari n. sp.3
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Glyphea tricarinata n. sp.3
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"Eryma meyeri n. sp." = Palaeastacus meyeri3, "Phlyctisoma sinemuriana n. sp." = Eryma sinemurianum3
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Coleia sp. Broderip 1835 decapod | |
Stomatopoda indet. Latreille mantis shrimp | |
Thylacocephala | |
Ostenocaris cypriformis n. gen. n. sp.
Ostenocaris cypriformis n. gen. n. sp. Arduini et al. 1980 | |
Enoplea | |
Eophasma jurasicum n. gen. n. sp.
Eophasma jurasicum n. gen. n. sp. Arduini et al. 1983 | |
Peltaspermopsida | |
Pachypteris sp. Brongniart 1828 | |
Equisetopsida | |
Brachyphyllum sp. Brongniart 1828
Pagiophyllum sp. Heer 1881 | |
Otozamites sp. Braun 1843
Zamites sp. Brongniart 1828 | |
Polypodiopsida | |
Equisetites sp. Sternberg 1833 |