Where: Central Italy , Italy (42.7° N, 12.6° E: paleocoordinates 30.1° N, 18.9° E)
• coordinate estimated from map
When: Stephanoceras humphriesianum ammonoid zone, Bajocian (170.3 - 168.3 Ma)
Environment/lithology: marine; lithified, coarse-grained breccia and lithified limestone
•at the base besides fossiliferous limestones.
•Some recrystallized stromatolites are interfingered
•within the fossiliferous limestones and the fossils,
•mainly the gastropods, are frequently covered by
•stromatolites.
Size class: macrofossils
Preservation: recrystallized
Collection methods: mechanical, peel or thin section,
Primary reference: M. A. Conti, S. Monari, and G. Pallini. 1986. A middle Jurassic bivalve and gastropod fauna from Umbria (Central Italy). Geologica Romana 23:175-215 [M. Aberhan/D. Wellmanns/S. Nurnberg]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 123682: authorized by Martin Aberhan, entered by Daniel Wellmanns on 27.01.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Partschiceras cf. besnowi ammonite
Calliphylloceras disputabile Zittel 1869 ammonite | |
Nannolytoceras pygmaeum d'Orbigny 1846 ammonite | |
Gastropoda | |
Allocosmia geometrica n. sp.
Allocosmia geometrica n. sp. snail | |
"Neritoma (Neridomus) riettii" = Neridomus
"Neritoma (Neridomus) riettii" = Neridomus snail | |
Scurriopsis (Scurriopsis) sp. Gemellaro 1879 limpet | |
Discohelix cooki snail | |
Crossostoma macerinoi, "Paleocollonia angeli" = Palaeocollonia
Crossostoma macerinoi snail
"Paleocollonia angeli" = Palaeocollonia snail | |
Odoardia prosornata snail | |
Zircia zircensis Szabo 1981 snail | |
Pietteia trispinigera Szabo 1983 snail | |
Neritopsis (Neritopsis) spinigera Szabo 1982 snail | |
Bivalvia | |
"Parallelodon caterinae" = Catella caterinae
"Parallelodon caterinae" = Catella caterinae Parona 1894 clam |