GrB Kalk/Tuffbrekzie, Cassian bulk collection (Triassic of Italy)

Also known as Reef 162

Where: Italy (46.5° N, 11.6° E: paleocoordinates 12.5° N, 19.9° 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• coordinate based on unpublished field data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 rudstone

• 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 69656: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 01.03.2007, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• Taxonomy has not been revised since 1977
Gastropoda
 Neritoina - Neritopsidae
"Neritopsis decussata" = Cassianopsis decussata1
"Neritopsis decussata" = Cassianopsis decussata1 Münster 1841 snail
 Sorbeoconcha - Purpurinidae
Angularia subpleurotomaria1 Münster 1841 periwinkle
 Caenogastropoda - Coelostylinidae
Pseudochrysalis subovata1 Münster 1841 snail
Coelostylina conica1 Münster 1841 snail
Trypanostylus curretensis1 Kittl 1894 snail
 Zygopleuroidea - Protorculidae
Protorcula sp.1 Kittl 1894 snail
 Murchisoniina - Spirostylidae
Spirostylus subcolumnaris1 Münster 1841 snail
 Murchisoniina - Loxonematidae
"Loxonema" annae2 Kittl 1894 snail
 Murchisoniina - Eotomariidae
"Worthenia subgranulata" = Pseudoananias subgranulata1
"Worthenia subgranulata" = Pseudoananias subgranulata1 Münster 1841 snail
 Neritoidea - Naticopsidae
"Naticopsis expansa" = Hologyra expansa1, "Naticopsis cassiana" = Hologyra cassiana1
"Naticopsis expansa" = Hologyra expansa1 Laube 1868 snail
"Naticopsis cassiana" = Hologyra cassiana1 Wissmann 1841 snail
Bivalvia
  -
Bivalvia indet.1 Linnaeus 1758 clam
 Nuculida - Nuculidae
 Lucinida - Lucinidae
Schafhaeutlia mellingi1 Hauer 1857 clam
 Pectinida - Plicatulidae
Plicatula sp.1 Lamarck 1801 scallop
Scaphopoda
 Dentaliida - Dentaliidae
"Dentalium undulatum" = Plagioglypta undulata1
"Dentalium undulatum" = Plagioglypta undulata1 Münster 1841 tusk shell
Rhynchonellata
 Terebratulida - Terebratulidae
"Terebratula" sp.1 Müller 1776
Anthozoa
  -
Anthozoa indet.1 Ehrenberg 1834