Figure 12 in North-east Atlantic and Mediterranean species of the genus Buffonellaria (Bryozoa, Cheilostomata): implications for biodiversity and biogeography

Figure 12. Buffonellaria arctica sp. nov. A, autozooecia from the colony growth margin; holotype & NHM 2007.5.18.4, Spitsbergen; scale bar, 200 Mm. B, ovicellate zooecia and frontal avicularia, orifices immersed by secondary calcification; holotype; scale bar, 200 Mm. C, close-up of orifice and oral avicularium; paratype & NHM 2007.5.18.5, Spitsbergen; scale bar, 50 Mm. D, close-up of ovicellate zooecia and frontal avicularia; holotype; scale bar, 100 Mm.