Fig. 17 3D in Boring bryozoans: an investigation into the endolithic bryozoan family Penetrantiidae

Fig. 17 3D-reconstruction based on semi thin section series of three different penetrantiids. a–d Penetrantia cf. concharum from northern France. e–h P. parva from northern New Zealand. i–l Penetrantia sp. from Japan. a, e, i Oral perspective. b, f, j Lateral perspective with the anal side on the right. c, g, k Anal perspective. d, h, l Lateral perspective with the anal side on the left. Blue: lophophore, green: digestive system, red: musculature, orange: duplicature bands. a anus, cae caecum, db duplicature band, es esophagus, int intestine, l lophophore, lb lophophoral base, oo operculum occlusor, op operculum, ph pharynx, pv proventriculus, pvm parieto-vestibular muscle, py pylorus, rm retractor muscle