D90, Cassian bulk collection (Triassic of Italy)

Where: Italy (46.7° N, 12.2° E: paleocoordinates 12.5° N, 20.3° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Cassian Formation, Julian (235.0 - 232.0 Ma)

• Age range indicated as Langobardian ton ?Julian, now confirmed to be early Carnian (Cordevolian)

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

• Patch reefs on extensive carbonate platform
• Small patch reefs, laterally grading in to oolitic limestones. Material supposedly stems from reefs, although it was mostly collected from marly interbeds.

Size class: macrofossils

Preservation: original aragonite, original calcite

Collection methods: bulk,

Primary reference: F. T. Fürsich and J. Wendt. 1977. Biostratinomy and palaeoecology of the Cassian Formation (Triassic) of the Southern Alps. Palaeogeography, Palaeoclimatology, Palaeoecology 22:257-323 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 69687: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 01.03.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• Taxonomy has not been revised since 1977
Gastropoda
 Murchisoniina - Rhaphistomellidae
Rhaphistomella radians Wissmann 1841 snail
 Ptychomphaloidea - Ptychomphalidae
Ptychomphalus sp. Agassiz 1839 snail
 Zygopleuroidea - Protorculidae
"Anoptychia canalifera" = Atorcula canalifera
"Anoptychia canalifera" = Atorcula canalifera Münster 1841 snail
 Caenogastropoda - Coelostylinidae
Coelostylina conica Münster 1841 snail
 Cerithioidea - Siliquariidae
Siliquaria triadica Kittl 1892 snail
 Pseudomelanoidea - Pseudomelaniidae
"Oonia miles" = Pseudomelania (Oonia)
"Oonia miles" = Pseudomelania (Oonia) snail
Bivalvia
 Arcida - Parallelodontidae
 Pectinida - Entoliidae
 Ostreida - Cassianellidae
Cassianella beyrichii Bittner 1895 oyster
Cassianella ampezzana Bittner 1895 oyster
Cassianella decussata Münster 1841 oyster
 Cardiida - Cardiidae
"Palaeocardita crenata" = Septocardia crenata
"Palaeocardita crenata" = Septocardia crenata Goldfuss 1837 cockle
 Nuculida - Nuculidae
"Palaeonucula strigillata" = Palaeonucula strigilata
"Palaeonucula strigillata" = Palaeonucula strigilata Goldfuss 1837 nut clam
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium simile, "Dentalium undulatum" = Plagioglypta undulata
Dentalium simile Münster 1841 tusk shell
"Dentalium undulatum" = Plagioglypta undulata Münster 1841 tusk shell