. Bulletin of the British Museum (Natural History), Botany. . I I Plate VII (a)-(d): Rutilaria areolata subsp. areolata, Labrador Sea, North Atlantic Ocean, (a): oblique valve view of single valve, (SEM 70357); (b): valve view of same specimen as (a) (SEM 70348); (c): detail of (b), central portion with broken periplekton and tubercles on marginal spines (SEM 70352); (d): detail of (b), apex of valve showing ocellus with protruding upper margin and winged costa, somewhat obscured by dirt, attached to elevation (SEM 70351). (a), (b), bar = 5 |j,m; (c), (d), bar = 1 jim. (e)-(g): Rutilaria areol
. Bulletin of the British Museum (Natural History), Botany. . I I Plate VII (a)-(d): Rutilaria areolata subsp. areolata, Labrador Sea, North Atlantic Ocean, (a): oblique valve view of single valve, (SEM 70357); (b): valve view of same specimen as (a) (SEM 70348); (c): detail of (b), central portion with broken periplekton and tubercles on marginal spines (SEM 70352); (d): detail of (b), apex of valve showing ocellus with protruding upper margin and winged costa, somewhat obscured by dirt, attached to elevation (SEM 70351). (a), (b), bar = 5 |j,m; (c), (d), bar = 1 jim. (e)-(g): Rutilaria areolata subsp. tenuior, Barbados, (e): valve view of sibling pair (SEM 72280); (f)::detail of (e), apex of valve showing ocellus with protrusions on upper margin and winged costa attached to proximal side of elevation (SEM 72281); (g): detail of (e), centres of valves, edge of flange of periplekton and internal opening (SEM 72284). (e), bar = 10 fim; (f), (g), bar = 2 \im. i. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Natural History Museum (London). Andover : Intercept
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