Figure 54 Devonian fossils. (Sponge, A; corals, B-F ; echinoderms, G-K ; 

 bryozoans, L-Q). A 1, 2 Hydnoce-ras tuberosum, xJ/2. B, C Favosites helder- 

 bergiac, x'A, with enlargement of corallites. D Hcliophyllum halli, x.yi. 

 E Syringopora hisingeri. F Pleurodictyum stylop&rum. G Lepocrinites 

 (Lcpadocrinus) gebhardi, xf£. H Elaeocrinus elegans. I Granatocrinus leda. 

 J Taxocrinus lobatus, x l / 2 . K Devonaster eucharis. x^4. L Thamniscus 

 variolata. M Pinnatopora carinata, x4 l /2. N, O Hederella canadensis, with 

 enlargement, x6. P, Q Fenestella crcbipora, xl, with enlargement. 



