Fig. 8 in Evolution of the retiolitid Neogothograptus (Graptolithina) and its new species from the upper Wenlock of Poland, Baltica

Fig. 8. SEM micrographs of rhabdosomes of Neogothograptus thorsteinssoni Lenz and Kozłowska−Dawidziuk, 2004, Bartoszyce borehole 1598.0 m, Neodiversograptus nilssoni Biozone. A. Obverse view of finite rhabdosome with five pairs of thecae and appendix, lateral−ventral view. B. Lateral view of distal end of rhabdosome with appendix and nema (B1); enlargement of distal part of appendix with thick nema (B2). C. Ventral−lateral view of distal part of rhabdosome with appendix. D. Proximal part of reverse side of rhabdosome with three pairs of thecae (D1); enlargement of ancora region with outer ancora, and first theca (D2).