Rogno Valley, bed 10 (Triassic of Italy)

Where: Lombardy, Italy (45.9° N, 9.9° E: paleocoordinates 12.7° N, 18.5° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Gorno Formation, Julian (235.0 - 232.0 Ma)

• 40 m thick

• bed-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; lithified limestone and lithified marl

• shallow, low energy, well-oxygenated lagoon with mixed calcareous–terrigenous sedimentation, interposed between deltas and carbonate platforms (Gnaccolini and Jadoul 1988)
• marly limestones and marls

Size class: macrofossils

Primary reference: A. Allasinaz. 1966. Il Trias in Lombardia, 18: La fauna a lamellibranchi dello Julico (Carnico medio) [The Triassic in Lombardy, 18: Julian (Middle Carnian) bivalves]. Rivista Italiana di Paleontologia e Stratigrafia 72(3):609-752 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 85245: authorized by Wolfgang Kiessling, entered by Uta Merkel on 08.12.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Trigoniida - Myophoriidae
 Lucinida - Lucinidae
"Gonodon astartiformis" = Schafhaeutlia astartiformis, "Gonodon subquadratus" = Schafhaeutlia, "Gonodon mellingi" = Schafhaeutlia mellingi
"Gonodon astartiformis" = Schafhaeutlia astartiformis Münster 1841 clam
"Gonodon subquadratus" = Schafhaeutlia clam
"Gonodon mellingi" = Schafhaeutlia mellingi Hauer 1857 clam
 Ostreida - Cassianellidae
 Mytilida - Mytilidae
"Septiola pygmaea" = Modiolus pygmaeus, Modiolus paronai
"Septiola pygmaea" = Modiolus pygmaeus Münster 1841 mussel
Modiolus paronai Bittner 1895 mussel