Marconessa quarry section 2, sample 12e (Jurassic of Italy)

Where: Italy (43.3° N, 13.2° E: paleocoordinates 29.7° N, 20.1° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Bugarone Formation, Bifrons (182.0 - 175.6 Ma)

• Angustisiphonatum subzone

• bed-level stratigraphic resolution

Environment/lithology: lithified, nodular limestone

Size class: macrofossils

Primary reference: S. Sassaroli and F. Venturi. 2010. Cingolites n. gen., a new lower Toarcian Hildoceratinae (Ammonitina) from the Marchean Apennines (Cingoli, Macerata, Italy). Bollettino della Società Paleontologica Italiana 49:97-118 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 147039: authorized by Matthew Clapham, entered by Matthew Clapham on 04.07.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Dactylioceratidae
Nodicoeloceras sp. Buckman 1926 ammonite
 Ammonitida - Hildoceratidae
Mercaticeras mercati, Hildoceras apertum, "Hildoceras ex gr. bifrons" = Hildoceras bifrons, "Hildoceras ex gr. angustisiphonatum" = Hildoceras bifrons, Frechiella sp., Polyplectus pluricostatus
Mercaticeras mercati Hauer 1856 ammonite
Hildoceras apertum Gabilly 1976 ammonite
"Hildoceras ex gr. bifrons" = Hildoceras bifrons Bruguiere 1792 ammonite
"Hildoceras ex gr. angustisiphonatum" = Hildoceras bifrons Bruguiere 1792 ammonite
Frechiella sp. ammonite
Polyplectus pluricostatus Haas 1913 ammonite
 Ammonitida - Phymatoceratidae
 Phylloceratida - Phylloceratidae
Phylloceras sp. Suess 1865 ammonite
Phylloceras doderleinianum Catullo 1853 ammonite
Phylloceras heterophyllum Sowerby 1820 ammonite
Calliphylloceras nilssoni Hebert 1866 ammonite