. Bulletin of the British Museum (Natural History), Geology. > i >. RHIW MARCH Fig. 11 Percentage distribution of taxa in the upper part of the Allt Ddu Formation at Craig y Gath and Rhiw March. Abbreviations refer to Paracraniops (Paracr), Dinorthis (Din), Dalmanella (D), Onniella (O), Reuschel/a (Reu), Bicuspina (Bic), Sowerbyella (Sowerb), Sericoidea (Ser), Macro- coelia (Mac), Leptaena (Lep), Rostricellula (R), Broeggerolithus (Broeg), Brongniartella (B), Sinuites (B1), Gastropoda (G2), Bivalvia (Bi), Macheridia (C), ramose Bryozoa (B1), prasoporid Bryozoa (B2), Graptoloidea (G). Lit
. Bulletin of the British Museum (Natural History), Geology. > i >. RHIW MARCH Fig. 11 Percentage distribution of taxa in the upper part of the Allt Ddu Formation at Craig y Gath and Rhiw March. Abbreviations refer to Paracraniops (Paracr), Dinorthis (Din), Dalmanella (D), Onniella (O), Reuschel/a (Reu), Bicuspina (Bic), Sowerbyella (Sowerb), Sericoidea (Ser), Macro- coelia (Mac), Leptaena (Lep), Rostricellula (R), Broeggerolithus (Broeg), Brongniartella (B), Sinuites (B1), Gastropoda (G2), Bivalvia (Bi), Macheridia (C), ramose Bryozoa (B1), prasoporid Bryozoa (B2), Graptoloidea (G). Lithostratigraphical boundary shown by dotted 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 British Museum (Natural History). London : BM(NH)
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