San Cassiano Fm, Cianzope, Dolomites (Triassic of Italy)

Also known as USNM-317020(A)(B)(C)

Where: Italy (46.5° N, 12.1° E: paleocoordinates 13.2° N, 19.8° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: San Cassiano Formation, Carnian (237.0 - 228.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

Size classes: macrofossils, mesofossils

Reposited in the USNM

Primary reference: P. Schaefer and E. Fois. 1987. Systematics and evolution of Triassic Bryozoa. Geologica et Palaeontologica 21:173-225 [D. Bottjer/C. Powers/C. Jamet]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 32835: authorized by David Bottjer, entered by Catherine Powers on 16.07.2003, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

• Also present: calcareous sponges, scleractinian corals, gastropods, and pelecypods.
Stenolaemata
 Cystoporata - Fistuliporidae
Cystitrypa cassiana n. gen. n. sp.
Cystitrypa cassiana n. gen. n. sp.
Demospongiae
 Hadromerida - Celyphiidae
"Cystothalamia bavarica" = Alpinothalamia bavarica
"Cystothalamia bavarica" = Alpinothalamia bavarica Ott 1967 demosponge
 Hadromerida - Polysiphonidae
Zardinia perisulcata n. gen. n. sp.
Zardinia perisulcata n. gen. n. sp. Dieci et al. 1968 demosponge
 Agelasida - Sebargasiidae
Amblysiphonella loerentheyi Vinassa de Regny 1901 demosponge
 Agelasida - Sestrostomellidae
Himatella milleporata Münster 1841 demosponge
 Agelasida - Pharetrospongiidae
Euepirrhysia montanaroae Dieci et al. 1968 demosponge
 Agelasida - Preperonidellidae
Precorynella astroites Münster 1841 demosponge
Precorynella pyriformis Klipstein 1843 demosponge