Citation: Pulleniatina mayeri subsp. plana Fordham 1986Rank: sub-speciesType specimens: UQF 72241.Type age (chronostrat): Upper G. mayeri zone; upper-middle Miocene.Type locality: DSDP 208-18-2 1-3 cm.Type repository: Brisbane, Australia; U Queensland Univ.
Original Description Small, robust; low sinistral trochospire, tight parallel and perpendicular to axis. Equatorial outline circular, weakly lobate; lateral outline umbilicoconvex. Chambers ovate, closely compressed, about 14 in total, 5! in final whorl; increase moderate; last chamber reduced. Dorsal view: chambers longer concentrically, barely inflated; sutures barely depressed; intercameral sutures radial to directed and curved posteriorly. Ventral view: chambers inflated; intercameral sutures radial, some curved posteriorly at distal end, meeting at slightly open umbilicus. Lateral view: smoothly rounded, though umbilical shoulder slightly acute in final chamber; aperture umbilical- -extraumbilical, low. Wall smooth with moderately dense pores especially towards periphery; dorsal side thickened, obscuring early chambers. Size: Length, 180 µm; width, 160 µm; height, 105 µm. Etymology: Latin, planus, flat. Extra details from original publication Description based on: Common material. Holotype fig.: Fordham 1986 Pl. 18, fig. 3. Editors' Notes
Fordham, B. G. (1986). Miocene-Pleistocene planktic foraminifers from D.S.D.P. Sites 208 and 77, and phylogeny and classification of Cenozoic species. Queensland, Australia. 1-224. gs
Pulleniatina mayeri plana compiled by the pforams@mikrotax project teamviewed: 4-10-2022