Cribrilinidae HINCKS, 1879

ZÁGORŠEK, KAMIL, 2010, BRYOZOA FROM THE LANGHIAN (MIOCENE) OF THE CZECH REPUBLIC PART II: SYSTEMATIC DESCRIPTION OF THE SUBORDER ASCOPHORA LEVINSEN, 1909 AND PALEOECOLOGICAL RECONSTRUCTION OF THE STUDIED PALEOENVIRONMENT, Acta Musei Nationalis Pragae Series B 66 (3 - 4), pp. 139-255 : 139-255

Family Cribrilinidae HINCKS, 1879 Genus Gephyrotes NORMAN, 1903

Colony encrusting. Autozooecia oval with gymnocyst. Frontal wall formed by many costules, which are perforat- ed by pores (pelmatidia). The pair of costules located below the aperture is bifurcated and forms a porous area (spiramen). Median area strongly porous. Aperture semilunar to oval. Oral spines present. Avicularia oral, paired and with pivot bar. Ovicell immersed with a nonporous frontal wall.