. Bulletin of the British Museum (Natural History), Geology. . Fig. 101 Ormathops nicholsoni (Salter 1866). Upper Arenig, Fennian Stage, B. rushtoni Biozone, Pontyfenni Formation, loc. 23, Pontyfenni. a, large cephalon, showing sculpture on cheek and glabella, x 3, NMW ; b, hypostoma showing anterior wings, x 7, ; c, small incomplete cranidium lacking free cheek, x 6, NMW ; d, thorax and pygidium, latex cast from external mould, x 4, NMW ; e, cephalon, x 5, NMW ; f, moult arrange- ment of reversed cephalon and thorax and pygidium, x 2, It. 18998; g,
. Bulletin of the British Museum (Natural History), Geology. . Fig. 101 Ormathops nicholsoni (Salter 1866). Upper Arenig, Fennian Stage, B. rushtoni Biozone, Pontyfenni Formation, loc. 23, Pontyfenni. a, large cephalon, showing sculpture on cheek and glabella, x 3, NMW ; b, hypostoma showing anterior wings, x 7, ; c, small incomplete cranidium lacking free cheek, x 6, NMW ; d, thorax and pygidium, latex cast from external mould, x 4, NMW ; e, cephalon, x 5, NMW ; f, moult arrange- ment of reversed cephalon and thorax and pygidium, x 2, It. 18998; g, small cephalon, latex cast from external mould, x 5-5, NMW ; h, thorax, latex cast from external mould, showing rows of small pits on pleurae, x 10, NMW ; i, small cephalon, latex cast from external mould, showing ocular ridge distant from border furrow, x 5-5, NMW ; j, pygidium with associated thoracic segments, latex cast from external mould, x 3, NMW ; k, small pygidium, x 4, ; 1, immature cephalon, latex cast from external mould, x 15, ; m, hypostome, latex cast from external mould showing granulose sculpture, x 6, 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)
Size: 1425px × 1754px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorbritishmuseumnaturalhistory, bookcentury1900, bookcoll
