INDEX 313 
Top Hosie Shale, 6 
Torquay, 6 
Tournaisian, 6, 9, 15, 17, 52, 54, 63, 65, 126, 
178 
Tournaisian—Viséan boundary, 17, 65 
Trichognathus separatus, 111 
Trichonodella, 110, 130 
imperfecta, 128 
Tyrone, 6 
Unconformity, 64, 245, 277 
Underset Limestone, 26, 28, 45, 263 
United States, 60, 65, 243 
Upper Limestone Group, 4, 18, 29, 30, 51, 
274 
Usk, 6 
Valmeyeran Series, 45, 62, 78, 98 
Vaughan’s coral—brachiopod zones, 13-15, 
T7, 245 
Vexhim Limestone, 30, 50 
VI Zone, 54 
Virginia, 10 
Viséan, 9, 15, 17-18, 45, 52, 63, 77, 126, 177 
Viverdon Down, 6 
Wales, 5, 11 
Warsaw Formation, 10, 43, 62 
Wassonville Dolomite, 10 
Waterlip Quarry, 6 
Welsh Borderland, 6 
Wenlock Limestone, 6 
Wensleydale, 26, 28 
Western Australia, Canning Basin of, 53 
Western Europe, 43, 52, 54-55, 60-62 
West Germany, 15, 36, 39, 52-53, 55, O61, 
200, 217 
Westmorland, 5 
Westphalian, 25 
West Virginia, Io 
Wilsoni Shales, 5 
Windsor Hill, 6 
Windy Gap Formation, 54, 179 
Whitcliffe Flags, 6 
Whitcliffian Limestone, 6 
White River, 59 
Wocklumeria, 8 
Wocklumeria Stage, 54, 202 
Wocklumeria—VI Zone, 54 
Woolhope Inlier, 5, 6 
Wyoming, II, 54-55, 179 
Yate, 18 
Yoredale Formation, 6, 25, 27-28, 45, 48, 62, 
244, 262-263, 277 
Yorkshire, 5, 6, 25, 102, 244, 277 
Zaphrentis Zone, 15, 16, 247, 262 
Z1 Subzone, 15, 21, 60, 64, 203-205 
Zz Fish Bed, 65 
Z2 Limestone, 22 
Za Subzone, 15, 57, 60, 62, 64, 98, 106, 
205-206, 277 
Z Zone, 17, 18, 20, 22, 31-33, 39-40, 42, 46, 
48, 52, 55-56, 60, 65, 78-79, 158, 176, 
200, 202, 209, 216, 244-245, 247, 248, 
258, 262, 277 
