Figure 39 Ordovician fossils. (Corals, A, B; bryozoan, C; brachiopods, 

 D-R. A I, 2, 3 Streptelasma profundum. B Tetradium cellulosum, cross 

 sections: 1, xl; 2 & 3, x2. C Phylloporina reticulata, x7. D 1, 2 Lingula 

 rectilateralis, xYz. E Leptaena incrassata, x3/2. F Orbiculoidea tenuistriata, 

 x2. G Zygospira concentrica. H Glossina belli. I 1, 2 Plectambonites 

 sericeus, x3/2. / 1, 2, 3 Orthis tricenaria, xYa. K 1, 2, 3 Camarella variant, 

 x3/2. L 1, 2, 3 Rhyncotrema incquivalvis, x$i. M 1, 2 Dinorthis pecUnella, 

 x54. N 1, 2 Dalmanella rogata, xi/ A . O Camarotocchia plena, x^. P 1, 2 

 Platystrophia lynx, x}£. Q 1, 2 Rafinesquina alternata, xj/j. i? Stri?- 

 phnmena incurvata, x l / 2 . 



