FIG. 4 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. 4. — Some important measurements made on the fenestrate bryozoans. Abbreviations: ADB, aperture spacing along branch; AAB, aperture spacing diagonally; AW, autozooecial aperture width; DBC, distance between branch centres;DBD, distance between dissepiment centres; DN, node diameter; LA, lateral wall budding angle; LF, fenestrule length; MAW, maximum chamber width; RWT, thickness of reverse wall laminated layer; SNB, node spacing; TB, branch thickness; TRW, thickness of reverse wall granular layer; WB, branch width; WD, dissepiment width; WF, fenestrule width.