138 
Tessella punctata/ 2178 
Tessella spp./2137, 2139 
Tetracyclus emarginatus/ 1Q33 
Tetracyclus lacustris/l525 s E364, 
E365, E366, E380 
Triceratium parma/ 572, 577-579, 584, 
585, 596 , 599, 600 , 606 , 6 ll 
Triceratium setigerum/ 57 6 , 577, 589, 596, 
598 , 617, 860 , 1903, 1906 , 2088 
Triceratium shadboltii/ 884, 891, 893, 
894, 912 , 914, 920 , 922 
Tetragramma americana/ 1860 , 1867 , 
1916 
Triceratium solenoceros/ ll64, 1167 , 
1173, 1177 
Tetragramma spp./778, 887 , 914, 
1591, 1593, 2137, 2139 
Toxarium undulatum/ l470, 1471 
Toxarium sp./l471 
Trieeratium alternans/ 919, 921, 
923, 1527 
Triceratium amblyoceros/ 1128, 1129, 
1132, 1139, 1140, 1142, ll46, 
ll 60 , 1676 
Triceratium anptra/ 2178 
Triceratium arcticum/ 1006 
Triceratium armatum/ 1047 
Triceratium castallum/ 1198, 1207 
Triceratium coneavum/ 2178, 2182, 
2184 
Triceratium crenatum/ 1167, 1173 
Triceratium fayus/ 572, 578, 6l6, 
617, 791, 860 , 867, 1531, 1598, 
1607 , 1733, 1864, 1871, 1884, 
1915, 1976, 1987, 1994, 2021, 
2089 , 2180 
Triceratium gibbosum/ 2178, 2l8l 
Triceratium interruptum/ 791 
Triceratium marginatum/ 1199 
Triceratium obtusatum/1128, 1129, 
1155 
Triceratium obtusum/2184 
Triceratium striolatum/ 1046 
Triceratium trisulcum / 586 
Triceratium undulatum/ ll64, 1167, 1173, 
1177, 1528 
Triceratium venosum /1200 
Triceratium wilkesii/ 743, 755, 769 , 794, 
815, 827 
Triceratium spp./572, 665 , 691 , 767 , 779, 
784 , 867 , 907, 912, 1079, 1096, 1129 , 
1146, 1157, 1164, 1167 , 1177, 1182 , 
1186 , 1197 , 1209 , 1466, 1528 , 1665 , 
1726 , 1786 , 1788 , 2137, 2139, 2 l 4 o, 
2 l 6 l, 2175, 2178 - 2181 , 2183 , 2185 
Tryblionella acuminata/l484 
Tryblionella gracilis/ l477 
Tryblionella marinata/ l475 
Tryblionella scutellum/ 1901 
Tryblionella sp./l484 
Xanthiopyxis alata/1133 
Xanthiopyxis oblonga/ 1172 
Xanthiopyxis serrata/ 753-755, 759, 768, 
770, 777, 783, 789 
Xanthiopyxis spp./757, 760, 771, 777, 925 
Zygoceros bipons/ ll67, 1173 
Zygoceros circularis/ 
Zygoceros hirin'tropa/ 895, 903, 922 
