Morphometric and stratophenetic basis for phylogeny and taxonomy in Late Cretaceous gublerinid planktonic foraminiferav. 54No. 5MICROPALEONTOLOGY PRESS397–424
Georgescu, Marius D., Saupe, Erin E., and Huber, Brian T. 2008. "Morphometric and stratophenetic basis for phylogeny and taxonomy in Late Cretaceous gublerinid planktonic foraminifera." Micropaleontology, 54, (5) 397–424.