An abundant occurrence of the species Pseudorbitoides israelskii Vaughan and Cole and Orbitoides tissoti Schlumberger in the Upper Senonian (Campanian) of the Port Moresby area (Papua, New Guinea) is described. It is the first occurrence of this distinctive generic assemblage and of the species P. israelskii outside the Caribbean-Gulf of Mexico area ; a similar assemblage was recently reported from the Austrian Alps, in strata of the same age
