CENTRAL ITALY

ANCONA PROVINCE

MARCHE

GENGA

CAMPONOCEECHIO

CALCARI AD APTICI E SACOCOMA FORMATION

UPPER KIMMERIDGIAN SAGE-EARLY TITHONIAN STAGE

UPPERMOST MALM EPOCH

LATEST JURASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

INFRACLASS: NEODIAPSIDA BENTON, 1985

MAGANORDER: ICHTHYOPTERYGIA BAUR, 1887 emend nova

SUPERORDER: EOICHTHYOSAURIA MOTANI, 1999

GRANDORDER: ICHTHYOSAURIA EMEND BLAINVILLE, 1835

MICRORDER: LONGIPINNATI HUENE, 1948

ORDER: MERRIAMOSAURIA MONTANI, 1999

SUBORDER: EUICHTHYOSAURIA MONTANI, 1999

INFRAORDER: PARVIPELVIA MONTANI, 1999

PARVORDER: NEOICHTHYOSAURIA SANDER, 2000

SUPERFAMILY: OPHTHALMOSAURIDEA SEELEY, 1874

Family: OPTHALMOSAURIDAE Seeley, 1874

*Gengasaurus nicosiai

_____________________________________________________________________________________

CENTRAL ITALY

ANCONA PROVINCE

SIROLO MUNICIPALITY

CONERO NATURAL PARK

NEAR THE BEACH "DUE SORELLE"

ON A ROCK CLIFF KNOWN AS THE "PLACCHE DEI GABIANI"

LOWER BEDS

MAIOLICA FORMATION

UPPER TITHONIAN STAGE

UPPERMOST MALM EPOCH

LATEST JURASSIC-

APTIAN STAGE

LOWER GALLIC SUBEPOCH

UPPER EARLY CRETACEOUS EPOCH

LATE EARLY CRETACEOUS

Ichno Div. Indet. HAUBOLD, 1971

ICHNOINFRACLASS: EURYAPSIDA COLBERT, 1945

ICHNOSUPERORDER: SAUROPTERYGIA OWEN, 1860

ICHNOPARVORDER: EOSAUROPTERYGIA emend RIEPPEL, 199

ICHNOORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835

ICHNOSUBORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835

ICHNOINFRAORDER: PLIOSAUROMORPHA NOVA

Ichnosuperfamily: PLIOSAUROIDEA Seeley, 1874

Incertae sedis

*Coneroichnus marinus