Biostratigraphy and the Mid-Jurassic environment from the Ogrodzieniec quarry

The uppermost Bathonian and Callovian deposits from the newly exposed section of Ogrodzieniec were studied. The biostratigraphical analysis was based on both ammonite and dinocyst zonations. The uppermost Bathonian Orbis...

[i]Haplocanthosaurus [/i](Saurischia: Sauropoda) from the lower Morrison Formation (Upper Jurassic) near Snowmass, Colorado

A small sauropod dinosaur collected from the Rocky Mountains of central Colorado (north of the Elk Range, Pitkin County) is assigned to the rare genus [i]Haplocanthosaurus[/i]. The specimen, MWC 8028, consists of four d...

ROLA PROCESU WSPÓŁDZIAŁANIA W ZARZĄDZANIU RODZINNYM PRZEDSIĘBIORSTWEM SEKTORA TURYSTYKI

Architektura depozycyjna parasekwencji w utworach marginalno-morskich

Comments on the identification of Ammonites planula Hehl in Zieten, 1830 (Upper Jurassic, SW Germany)

Ammonites planula Hehl in Zieten, 1830 is the type species of the Late Jurassic ammonite genus Subnebrodites Spath, 1925 and the index species of the well-established Planula Zone of the Submediterranean Province. Recent...