Fig. 10 in Boring bryozoans: an investigation into the endolithic bryozoan family Penetrantiidae

Fig. 10 Schematic drawing based on Penetrantia concharum from Sweden. a Autozooid in longitudinal section from an oral view. b Autozooid in longitudinal section from a lateral view with the anal side on the right. c Gonozooid in longitudinal section from a lateral view with the anal side on the right. Blue: lophophore, green: digestive system, red: musculature, orange: duplicature bands. a anus, at atrium, bc body cavity, bch brood chamber, bp brood chamber plug, bpm brood chamber plug muscle, c