D 71, Cassian bulk collection (Triassic of Italy)

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: shallow subtidal; lithified limestone

• Lagoonal setting inferred from occurrenc of Megalodon
• 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 69649: 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
Show authors, comments, and common names
unclassified
  -
Porifera indet.
Porifera indet. Grant 1836
Anthozoa
 Scleractinia - Conophyllidae
Omphalophyllia sp.
Omphalophyllia sp. Laube 1865 stony coral
Echinoidea
 Cidaroida - Cidaridae
Balanocidaris dorsata
Balanocidaris dorsata pencil urchin
  -
"Cidaris" fustis
"Cidaris" fustis Laube 1865 sea urchin
Bivalvia
  -
Bivalvia indet.
Bivalvia indet. Linnaeus 1758 clam
 Nuculida - Nuculidae
Palaeonucula sp.
Palaeonucula sp. Quenstedt 1930 nut clam
 Ostreida - Bakevelliidae
Cultriopsis angulata
 Ostreida - Cassianellidae
Cassianella sp.
Cassianella sp. Beyrich 1862 oyster
 Trigoniida - Trigonodidae
Trigonodus sp.
Trigonodus sp. Alberti 1864 clam
 Unionida - Pachycardiidae
Pachycardia haueri
Pachycardia haueri Wöhrmann and Koken 1892 clam
 Megalodontida - Megalodontidae
Megalodon "sp. A", Megalodon "sp. B", Megalodon "sp. C"
Megalodon "sp. A" Sowerby 1827 clam
Megalodon "sp. B" Sowerby 1827 clam
Megalodon "sp. C" Sowerby 1827 clam
Gastropoda
 Neritoidea - Neritariidae
Neritaria plicatilis
Neritaria plicatilis Klipstein 1843 snail
 Neritoidea - Naticopsidae
Naticopsis ladina
Naticopsis ladina Kittl 1892 snail
 Caenogastropoda - Coelostylinidae
Coelostylina crassa, Coelostylina conica, Spirochrysalis nympha
Coelostylina crassa Münster 1841 snail
Coelostylina conica Münster 1841 snail
Spirochrysalis nympha Münster 1841 snail
 Sorbeoconcha - Settsassiidae
Katosira sp.
Katosira sp. Koken 1892 snail
 Murchisoniina - Phymatopleuridae
Worthenia sp.
Worthenia sp. de Koninck 1883 snail
 Murchisoniina - Wortheniellidae
"Worthenia joannisaustriae" = Rinaldoella johannisaustriae
"Worthenia joannisaustriae" = Rinaldoella johannisaustriae Klipstein 1843 snail
Rhynchonellata
 Rhynchonellida - Rhynchonellidae
"Rhynchonella" subacuta
 Athyridida - Diplospirellidae
Diplospirella multicostata, Diplospirella wissmanni
Diplospirella wissmanni Münster 1841