D12e, 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• coordinate based on unpublished field data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 69671: 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
unclassified
  -
Porifera indet.1 Grant 1836
Demospongiae
 Agelasida - Sestrostomellidae
Himatella milleporata1 Münster 1841 demosponge
Calcarea
 Calcaronea - Stellispongiidae
Peronidella subcaespitosa1 Münster 1841 calcareous sponge
Anthozoa
 Scleractinia -
"Coelocoenia sp." = Koilocoenia1
"Coelocoenia sp." = Koilocoenia1 Duncan 1884 stony coral
 Scleractinia - Thamnasteriidae
"Thamnastraea sp." = Thamnasteria1
"Thamnastraea sp." = Thamnasteria1 LeSauvage 1823 stony coral
 Scleractinia - Reimaniphylliidae
Retiophyllia sp.2 Cuif 1966 stony coral
 Scleractinia - Margarophylliidae
Margarosmilia sp.1 Volz 1896 stony coral
? Margarosmilia sp.1 Volz 1896 stony coral
Bivalvia
  -
Bivalvia indet.1 Linnaeus 1758 clam
 Nuculanida - Nuculanidae
Nuculana sulcellata1 pointed nut clam
 Nuculida - Nuculidae
"Palaeonucula strigillata" = Palaeonucula strigilata1
"Palaeonucula strigillata" = Palaeonucula strigilata1 Goldfuss 1837 nut clam
 Ostreida - Bakevelliidae
Cultriopsis angusta1 Munster 1838 oyster
 Ostreida - Cassianellidae
Cassianella decussata1 Münster 1841 oyster
 Pectinida - Pectinoidae
 Arcida - Parallelodontidae
Parallelodon sp.1 Meek and Worthen 1866 clam
Gastropoda
  -
Gastropoda indet.1 Cuvier 1795 snail
 Heterostropha - Gordenellidae
Promathildia sp.1 Andreae 1887 snail
 Heterostropha - Anoptychiidae
Anoptychia sp.1 Koken 1892 snail
 Caenogastropoda - Coelostylinidae
? Euchrysalis fusiformis1 Münster 1841 snail
 Seguenzioidea - Eucyclidae
"Riselloidea damon" = Calliotropis (Riselloidea)1
"Riselloidea damon" = Calliotropis (Riselloidea)1 snail
 Schizogonioidea - Schizogoniidae
Schizogonium scalare1 Münster 1841 snail
 Murchisoniina - Loxonematidae
Loxonema sp.1 Phillips 1841 snail
 Murchisoniina - Wortheniellidae
"Worthenia subgranulata" = Rinaldoella subgranulata1
"Worthenia subgranulata" = Rinaldoella subgranulata1 Münster 1841 snail
 Neritoidea - Naticopsidae
Naticopsis expansa1 Laube 1868 snail