FIGURE 23. Gothograptus diminutus n in Evolutionary significance of the retiolitine Gothograptus (Graptolithina) with four new species from the Silurian of the East European Platform (Baltica), Poland and Lithuania

FIGURE 23. Gothograptus diminutus n. sp. Bartoszyce IG-1core, Poland. A. lateral view of tubarium, almost mature, with seven pairs of thecae, 1659.9 m, ZPAL G.55/32. B, C, E. mature tubarium with six pairs of thecae and appendix, holotype, 1659.9 m, ZPAL G.29/21; B. ventro-lateral view; C, fragment of third pair of theca; E. proximal end. D. finite tubarium with six pairs of thecae and appendix, paratype, depth 1659.9 m, ZPAL G.55/34. F. mature tubarium with seven pairs of thecae, ventrolateral view, depth 1658.8 m, ZPAL G.54/8. G. young tubarium with four pairs of thecae, depth 1659.9 m, ZPAL G.55/35.