Pr7, Cassian bulk collection (Triassic of Italy)

Where: Italy (46.5° N, 12.0° E: paleocoordinates 12.4° N, 20.1° E)

• coordinate based on unpublished field data

• 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 69683: 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
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium latum tusk shell
Dentalium simile Münster 1841 tusk shell
Gastropoda
 Heterostropha - Gordenellidae
Promathildia pygmaea Münster 1841 snail
 Caenogastropoda - Goniasmatidae
 Murchisoniina - Wortheniellidae
"Worthenia subgranulata" = Rinaldoella subgranulata
"Worthenia subgranulata" = Rinaldoella subgranulata Münster 1841 snail
 Murchisoniina - Zygopleuridae
Polygyrina lommeli Muenster 1841 snail
Bivalvia
 Nuculanida - Malletiidae
 Ostreida -
"Pteriacea indet." = Pterioidea
"Pteriacea indet." = Pterioidea Gray 1847 oyster
 Pectinida - Limidae
Mysidioptera sp. Salomon 1895 file clam
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Rhynchonellata
 Athyridida - Neoretziidae
""Retzia" lyrata" = Cassianospira lyrata
""Retzia" lyrata" = Cassianospira lyrata Münster 1841
 Athyridida - Koninckinidae
Koninckina leonhardi Wissmann 1841