FIG. 6. — A-C, Altshedata hispanica n in Description of a bryozoan fauna from mud mounds of the Lebanza Formation (Lower Devonian) in the Arauz area (Pisuerga-Carrión Province, Cantabrian Zone, NW Spain)

FIG. 6. — A-C, Altshedata hispanica n. sp.; A, B, longitudinal section showing vesicles, paratype SMF 21.144; C, longitudinal section showing lunarial deposits in exozone, paratype SMF 21.142; D-G, Altshedata gracilis n. sp.; D, tangential section showing autozooecial apertures, holotype SMF 21.150; E, tangential section, paratype SMF 21.155; F, G, longitudinal section, paratype SMF 21.163. Scale bars: A, F, 1 mm; B, D, E, 0.2 mm; C, G, 0.5 mm.