Casolare Torzulis, Seazza Creek valley (Triassic to of Italy)

Also known as Megalancosaurus holotype

Where: Friuli-Venezia Giulia, Italy (46.4° N, 12.9° E: paleocoordinates 27.5° N, 16.1° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Dolomia di Forni Formation, Alaunian to Alaunian (215.6 - 205.6 Ma)

• Dolmomia di Forni "spans the Alaunian 2 - Sevatian 1 interval"; middle-late Norian

• formation-level stratigraphic resolution

Environment/lithology: basinal (); brown, gray, yellow dolomite

• "lagoon with few terrigenous contributions...presence of a terrestrial vertebrate in a lagoonal environment with indisturbed [sic] sedimentation indicates the presence of a land, perhaps in the form of islands, not far from where it was deposited"
• "laminated bituminous dolostone, which has a colour ranging from yellow-brown to dark grey"

•"The Dolomia di Forni is composed mainly of dark, often cherty, well-bedded dolostone that is frequently thinly laminated and sometimes slumped. Thicker laminae are graded and represent distal turbidites...the basinal facies preserving the tetrapod remains are composed mainly of distal turbidites and carbonate mud deposited by fallout"

Size class: macrofossils

Preservation: adpression

Collected by Sergio Spizzamiglio in 1980

Primary reference: M. Calzavara, G. Muscio, and R. Wild. 1981. Megalancosaurus preonensis n. g., n. sp., a new reptile from the Norian of Friuli, Italy. Gortania - Atti del Museo Friulano di Storia Naturale 2:49-64 [R. Butler/R. Butler/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 83472: authorized by Richard Butler, entered by Richard Butler on 21.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Diapsida - Drepanosauridae
Megalancosaurus preonensis n. gen. n. sp.
Megalancosaurus preonensis n. gen. n. sp. Calzavara et al. 1981 diapsid
MFSN 1769 (holotype), partial skeleton including skull