... synonymies cover all forms considered as belonging to the recently erected taxa. During the reinvestigation of samples from DSDP Hole 280A three new species were noted and are described herein. The new species are Dictyoprora nigriniae, Plannapus? aitai (Artostrobiiadae), and Lithomelissa? sakaii...

..., and from Plannapus aitai O'Connor, 2000 , in having a less-elongated shell, with fewer than 10 transverse rows of pores. Figure 4.5 ; collection number USTL 2854-1; coordinates L48/1; sample 1260A-13R-4W, 55–56 cm; lowermost part of the Podocyrtis ( L .) mitra Zone, in the Artostrobus...

... appendices. Those projections are lamellar, of the same width as the bars of the latticed shell, and bi- or trifurcate distally. There are a few smaller pores between the large ones, but those do not bear appendices. Remarks . Carpocanium ? uburex differs from Plannapus microcephalus (Haeckel) 1887...

... from species of the genus Plannapus O’Connor, 1997 , and from Carpocanium ? uburex Renaudie & Lazarus, 2012 in the cephalic lobes being arranged in a row in the sagittal plane. It finally differs from Cystophormis pulchrum ( Carnevale, 1908 ) – illustrated here on Plate 4 , figure 14...