D51, Cassian bulk collection (Triassic of Italy)

Also known as Reef 162

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• coordinate based on unpublished field data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: 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 69658: 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
Anthozoa
  -
Anthozoa indet.1 Ehrenberg 1834
 Scleractinia - Protoheterastraeidae
"Volzeia sublaevis" = Remismilia sublaevis2
"Volzeia sublaevis" = Remismilia sublaevis2 Münster 1841 stony coral
 Scleractinia - Reimaniphylliidae
Gastropoda
  -
Gastropoda indet.1 Cuvier 1795 snail
 Murchisoniina - Zygopleuridae
Polygyrina lommeli1 Muenster 1841 snail
 Murchisoniina - Wortheniellidae
"Worthenia coronata" = Rinaldoella coronata1
"Worthenia coronata" = Rinaldoella coronata1 Münster 1841 snail
 Trochoidea - Trochidae
 Seguenzioidea - Eucyclidae
Eucycloscala binodosa1 Münster 1841 snail
"Riselloidea sp." = Calliotropis (Riselloidea)1 Cossmann 1909 snail
 Pseudomelanoidea - Pseudomelaniidae
Pseudomelania sp.1 Pictet and Campiche 1862 snail
Pseudomelania muensteri1 Wissmann 1841 snail
 Heterostropha - Anoptychiidae
Anoptychia multitorquata1 Münster 1841 snail
Anoptychia carinata1 Münster 1841 snail
 Heterostropha - Gordenellidae
Promathildia sp.1 Andreae 1887 snail
 Neritoidea - Naticopsidae
Naticopsis expansa1 Laube 1868 snail
Bivalvia
  -
Bivalvia indet.1 Linnaeus 1758 clam
Cladogirvanella cipitensis
  -