SEZ.D, Rasa di Varese (Triassic of Italy)

Where: Italy (45.9° N, 8.8° E: paleocoordinates 7.0° N, 21.6° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Nevadites secedensis ammonoid zone, San Salvatore Formation, Illyrian (247.2 - 242.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; lithified dolomite

• Platform carbonates (back-reef)
• Thick-bedded or massive, micritic, white-rosy or hazel dolostone

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Natural History Museum "A. Stoppani", Seminario Arcivescovile of Venegono Inferiore (Varese, Italy)

Primary reference: V. Pieroni and A. Nützel. 2014. Rasatomaria gentilii gen. n. n. sp. - a new Middle Triassic pleurotomarioid gastropod genus and species from Rasa di Varese (San Salvatore Formation, southern Alps). Rivista Italiana di Paleontologia e Stratigrafia 120:281-286 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 175096: authorized by Matthew Clapham, entered by Matthew Clapham on 02.12.2015, edited by Bethany Allen

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Murchisoniina - Rhaphistomellidae
Trachybembix sp.2 Böhm 1895 snail
 Pleurotomarioidea - Pleurotomariidae
Rasatomaria gentilii n. gen. n. sp.
Rasatomaria gentilii n. gen. n. sp. Pieroni and Nützel 2014 snail
Previously identified as Kittlidiscus lottneri
Bivalvia
 Arcida - Parallelodontidae
Macrodontella cf. lamellosa2 Assmann 1916 clam
 Myalinida - Myalinidae
Aviculomyalina undulata2 Zorn 1971 clam
Cephalopoda
 Ceratitida - Danubitidae
Celtites sp.2 von Mojsisovics 1882 ceratite
 Ceratitida - Ceratitidae
Serpianites curionii2 Rieber 1973 ceratite
Ticinites sp.2 Rieber 1973 ceratite
Rhynchonellata
 Terebratulida - Dielasmatidae
Coenothyris cf. vulgaris2 Schlotheim 1820
 Spiriferinida - Pennospiriferinidae
Punctospirella fragilis2 Schlotheim 1814
 Spiriferinida - Mentzeliidae
Reptilia
 Diapsida - Helveticosauridae
Helveticosaurus cf. zollingeri2 Peyer 1955 archosauromorph
ST166120, isolated tooth crown
Echinoidea
 Cidaroida - Serpianotiaridae
? Serpianotiaris sp.1 Jeannet 1933 pencil urchin
 Cidaroida - Cidaridae
"Cidaris" cf. roemeri1 Wissmann 1841 pencil urchin
 Euechinoidea - Triadocidaridae
Triadocidaris transversa1 von Meyer 1847 sea urchin
Crinoidea
 Encrinida - Encrinidae
Encrinidae indet.1 Dujardin and Hupé 1862 Sea lily