. Bulletin of the British Museum (Natural History), Geology. 144 BANNER, SIMMONS&WHITTAKER,. Figs 88-90 Paravalvulina arabica (Henson), strictly topotypic paratypes, from Qatar, Well Dukhan-2, 4375-4380 ft depth, Hauterivian. Fig 88a-b, BMNH P 52631, entire specimen; a, axial view (length 1,240 urn), x 70; b, terminal view, x 70. Fig. 89, BMNH P 52632; equatoriz view of specimen from which the initial end has been broken, showing initial quadriseriality and umbilical pillars between the cribrate, pore like apertures of the umbilical, apertural flaps; breadth 1,100 um, x 70. Fig. 90, BMNH P
. Bulletin of the British Museum (Natural History), Geology. 144 BANNER, SIMMONS&WHITTAKER,. Figs 88-90 Paravalvulina arabica (Henson), strictly topotypic paratypes, from Qatar, Well Dukhan-2, 4375-4380 ft depth, Hauterivian. Fig 88a-b, BMNH P 52631, entire specimen; a, axial view (length 1,240 urn), x 70; b, terminal view, x 70. Fig. 89, BMNH P 52632; equatoriz view of specimen from which the initial end has been broken, showing initial quadriseriality and umbilical pillars between the cribrate, pore like apertures of the umbilical, apertural flaps; breadth 1,100 um, x 70. Fig. 90, BMNH P 52633; initial end of specimen which has lost it chamber walls, showing initial quadriseriality, x Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). London : BM(NH)
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