Lombardian Alps, Zu Limestone Formation (Triassic of Italy)

Where: Italy (46.0° N, 10.0° E: paleocoordinates 30.7° N, 14.2° E)

• coordinate estimated from map

• basin-level geographic resolution

When: Zu Limestone Formation, Rhaetian (208.5 - 201.3 Ma)

• formation-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified carbonate and lithified marl

• The Zu Limestone Formation represents a nearly one km-thick sequence of bedded carbonate, marl and shale.

Size class: macrofossils

Primary reference: C. A. McRoberts, C. R. Newton, and A. Allasinaz. 1995. End-triassic bivalve extinction: Lombardian alps, Italy. Historical Biology 9:297-317 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 38168: authorized by Martin Aberhan, entered by Sabine Nürnberg on 17.04.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
  - Aviculidae
"Pteria deshayesi" = Avicula deshayesi
"Pteria deshayesi" = Avicula deshayesi Terquem 1855 clam
 Nuculanida - Nuculanidae
Nuculana borsoni
Nuculana borsoni pointed nut clam
 Mytilida - Mytilidae
? Modiolus adrarae, ? Modiolus visgnolae, "Modiolus minutus" = Mytilus minutus
"Modiolus minutus" = Mytilus minutus Goldfuss 1837 mussel
 Arcida - Parallelodontidae
Parallelodon hettangiensis
Parallelodon hettangiensis Terquem 1855 clam
 Ostreida - Pinnidae
Pinna miliara
 Ostreida - Pteriidae
Rhaetavicula contorta
Rhaetavicula contorta Portlock 1843 pearl oyster
 Ostreida - Bakevelliidae
Gervillia inflata
Gervillia inflata Schafhaeutl 1851 oyster
 Ostreida - Ostreidae
Lopha haidingeriana, "Ostrea" hinnites
Lopha haidingeriana Emmrich 1853 oyster
"Ostrea" hinnites Stoppani 1865 oyster
 Ostreida - Gryphaeidae
Liostrea hisingeri
 Pectinida - Limidae
Plagiostoma praecursor, Plagiostoma punctatum, Limatula cf. tadinii
Plagiostoma praecursor Quenstedt 1856 file clam
Plagiostoma punctatum Sowerby 1818 file clam
 Pectinida - Plicatulidae
Plicatula archiaci
Plicatula archiaci Stoppani 1865 scallop
 Pectinida - Dimyidae
Atreta intusstriata
Atreta intusstriata Emmrich 1853 scallop
 Pectinida - Entolioidesidae
"Entolium cf. hehlii" = Calvaentolium hehlii
"Entolium cf. hehlii" = Calvaentolium hehlii D'Orbigny 1870 scallop
 Pectinida - Pectinoidae
"Chlamys valoniensis" = Praechlamys valoniensis, ? Camptonectes strozzenis, ? Chlamys mortilleti
"Chlamys valoniensis" = Praechlamys valoniensis Defrance 1825 scallop
 Trigoniida - Myophoriidae
Myophoria liasica, Myophoria inflata
Myophoria liasica Stoppani 1857 clam
Myophoria inflata Emmrich 1853 clam
 Trigoniida - Trigoniidae
? Trigonia azzarolae
? Trigonia azzarolae Stoppani 1865 clam
 Lucinida - Lucinidae
Schafhaeutlia azzarolae, Schafhaeutlia civatensis
 Megalodontida - Megalodontidae
Triadomegalodon scutatus, Triadomegalodon mojsvri, Conchodon infraliasicus
Conchodon infraliasicus Schafhäutl 1863 clam
 Cardiida - Arcticidae
? Isocyprina lens
 Cardiida - Palaeocarditidae
Palaeocardita multiradiata, Palaeocardita minuta, Palaeocardita talegii, Palaeocardita austriaca
Palaeocardita austriaca Hauer 1853 clam
 Cardiida - Cardiidae
"Cardium" ragazzonii, Protocardia rhaetica
Protocardia rhaetica Merian 1853 cockle
 Pandorida - Laternulidae
Laternula moorei
 Pholadomyida - Pholadomyidae
? Homomya baldassari, Homomya lagenalis, Homomya lariana, Pholadomya margaritata, "Palaeocardita munita" = Pholadomya munita
Homomya lariana Stoppani 1857 clam
Pholadomya margaritata Stoppani 1857 clam
"Palaeocardita munita" = Pholadomya munita Stoppani 1857 clam