D92, Cassian bulk collection (Triassic of Italy)

Also known as Reef 162

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: reef, buildup or bioherm; 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 69674: 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
 Architaenioglossa - Ampullinidae
"Pseudamaura paludinaris" = Ampullina (Pseudamaura) snail
 Caenogastropoda - Coelostylinidae
Coelostylina sp. Kittl 1894 snail
Spirochrysalis cf. nympha Münster 1841 snail
 Murchisoniina - Zygopleuridae
Zygopleura arctecostata Münster 1841 snail
Bivalvia
 Nuculanida - Nuculanidae
Nuculana sulcellata pointed nut clam
 Ostreida - Cassianellidae
Cassianella ampezzana Bittner 1895 oyster
Cassianella beyrichii Bittner 1895 oyster
 Cyrtodontida - Pichleriidae
Hoferia sp. Bittner 1895 clam
 Cardiida - Cardiidae
"Palaeocardita crenata" = Septocardia crenata
"Palaeocardita crenata" = Septocardia crenata Goldfuss 1837 cockle
Rhynchonellata
 Spiriferinida - Cyrtinidae
Cyrtina sp. Davidson 1858
Anthozoa
  -
Anthozoa indet. Ehrenberg 1834