. Bulletin of the Natural Histort Museum. Geology series. JURASSIC BRYOZOANS FROM BALTOW, POLAND 95. jFigs 9-12 Hyporosopora baltovensis sp. nov., Oxfordian, Baltow, Poland. Scanning electron micrographs of uncoated specimens. 9-10. MUZ PIG 1601/ 11/13; 9, lamellar colony, x 18; 10, transverse ridges and autozooids, some with terminal diaphragms, x 64. 11-12, MUZ PIG 1601/II/3, holotype; 11, gonozooid, x 65; 12, ooeciopore (triangular hole beneath is a breakage in the gonozooid frontal wall), x 225. Hyporosopora baltovensis sp. nov. Figs 9-18 Holotype. MUZ PIG 1601/1^3 (Figs 11-12). Paratypes.
. Bulletin of the Natural Histort Museum. Geology series. JURASSIC BRYOZOANS FROM BALTOW, POLAND 95. jFigs 9-12 Hyporosopora baltovensis sp. nov., Oxfordian, Baltow, Poland. Scanning electron micrographs of uncoated specimens. 9-10. MUZ PIG 1601/ 11/13; 9, lamellar colony, x 18; 10, transverse ridges and autozooids, some with terminal diaphragms, x 64. 11-12, MUZ PIG 1601/II/3, holotype; 11, gonozooid, x 65; 12, ooeciopore (triangular hole beneath is a breakage in the gonozooid frontal wall), x 225. Hyporosopora baltovensis sp. nov. Figs 9-18 Holotype. MUZ PIG 1601/1^3 (Figs 11-12). Paratypes. muz pig 1601/II/4 and 5, 13-18. Mame. After Baltow, the type locality. Description. Colony multiserial, sheet-like, bereniciform, com- monly unilamellar but occasionally multilamellar, either planar Fig. 9) or tubular (Figs 13-18) in shape. Tubular colonies possess a distinct suture formed by coalescence of lobes of the growing edge jan opposite sides of the colony (Fig. 15). Distal fringe of basal lamina protrudes beyond budding zone at growing edge (Fig. 14) vvhere two or three generations of zooidal buds, some with mural oustules, are visible. Colony surface ornamented by discontinuous ransverse ridges, irregularly-spaced mm apart, of low jrofile and sometimes indistinct, deflected proximally where they meet apertures (Fig. 10); ridges absent over dilated frontal walls of gonozooids (Fig. 11). Original substrates of encrustation not pre- served. Autozooids (Fig. 10) small, immersed, their frontal walls without well-defined boundaries, short, mm in length by mm in width. Apertures small, usually longitudinally elongate but sometimes transversely elongate or circular (especially near the edge of colonies), mm long by mm wide, arranged roughly in quincunx, closely-spaced and often crowded close to the colony perimeter where they are larger in diameter. Terminal diaphragms sporadic in distribution, positioned level with or a li
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