1653 



Sphenopteris 



imbricata 81 



incerta 83 



interrupte-pinnata 76 



lobata 79. 80 



notha 82 



striata 80 



tridactylites 80 



Zwickauensis 83. 90 

 Spirorbis 



carbonarius 670 



imbricatus 670 



Lewesii 669. 1298 



lineolatus 670 



omphalodes 669 



pusillus 670 



siluricus 668 



tennis 669 

 Spiroeerium priscum 1498 

 Spirolinites 



denticulatus 352. 564 



sulcafus 352. 564 

 Spirula tuberculata 1315 

 Sporolithes 



cordatus 235-236. 185 

 Stauria astreiformis 519 

 Steirophyllum 



lanceolatum 238 

 Stenopora 



approximata 415 



arbuscula 417 



crassa 416. 417. 483 



inflata 483 



Macrothii 415 



spinigera 415. 483 



tumida 483 

 Sternbergia 



approximata 156 

 Stictopora acuta 360 



costellata 388 



crassa 390 



exserta 392 



fenestrata 390 



flabellum 391 



raripora 390 



scalpelliformis 391 



scalpellum 390 

 Stigmaria ficoides 204 



Socolowii 207 



stellata 206 

 Stigmatodendron 



Ledebourii 208 



cribrosum 21 i 

 Stigmolepis Oweni 1554 

 Streptelasma calicula 544 



corniculum 542 

 Stringocephalus 



Burtini 693 



Strombodes , 



pentagonus 566 . 



plicatus 557 



truncatus 535 

 Stromatapora 



concentrica 346 



constellata 347 



polymorpha 346 

 Strophalosia ' 



horrescens 882 



membranacea 884 



subaculeata 883 



tholus 883 

 Strophomene pecten 884 

 Stylastraea inconferta 567 

 Stylidium spongiosum 456 

 Subtilités amphora 1127 



elongatus 1127. 1129 



gigas 1126 



inflatus 1129 



nanus 1130 



priscus 1128 

 Syodum biarmicum 1615 

 Syringodendron 



cyclostigma 202 



organon 201 

 Syringophyllum 



microphthalmum 569 



organon 569 

 Syringopora 



bifurcata 502. 510 



cancellata 501. 502 



conferta 501 



elegans 500 



fascicularis 503 



intricata 499 



parallela 502 



ramulosa 498. 564 



reliculata 499. 502 



serpens 503 



tenuissima 504 



T. 



Taphrocanna 



Biarmica 576 

 Taxocrinus 



tuberculatus 595. 1586 

 Terebratula 



aequirostris 794 



affinis 741 



ambigua 757 



aperturata 812 



ariraaspus 743 



aspera 741 



Bloedeana 735 



borealis 752. 758 



brevirostris 807 



Terebratula 



Bouchardi 767 

 bursa 692 

 camelina 746. 

 canalis 781 

 cancellata 741 

 chama 806 

 comata 743 

 compressa 754 

 concentrica 735 

 corculum 688 

 cuboides 762 

 deformata 796 

 dentata 755 

 didyma 688 

 digitata 778 

 dorsata 755. 804 

 Duboisi 744 

 elongata 687. 689. 690 

 frenum 775 

 fusiformis 687 

 Geinitziana 756 

 globosa 775 

 hastata 691 

 Helmerseni 737 

 herculea 748 

 Hyotina 756 

 imbricata 700—746 

 lacunosa 758. 762. 780 

 laeviuscula 758 

 linguata 748 

 marginalis 744 

 matercula 763 

 Meunieri 735 

 nucula 765 

 nuda 746 

 pectinifera 735 

 pentatoma 752 

 philomela 748 

 piriformis 690 

 pleurodon 751.752.754. 

 755 

 plica 687 

 princeps 762 

 prisca 741. 743 

 pugnus 752 

 pulchra 765 

 Puschiana 735 

 Qualeni 687 

 Roissyi 735 

 sacculus 691 

 Schlotheimii 780 

 Schnurii 779 

 sphaera 776 

 Strajewskiana 743 

 sub camelina 746 

 sublepida 743 

 superstes 781 



