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<p>Papers from the 6th International Conference on Trilobites and their Relatives <i>By </i>Alan W Owen & David L Bruton 1</p> <p>Acknowledgements 2</p> <p>References 2</p> <p>From Oslo to Prague – the Trilobite meetings 1973–2012 <i>By </i>David L Bruton 5</p> <p>Introduction 5</p> <p>Oslo, Norway 1973 (July 1–8) 5</p> <p>Brock University, St Catharines, Ontario, Canada 1997 (August 22–25) 8</p> <p>University of Oxford, England, 2001 (April 3–6) 11</p> <p>Toledo, Spain, 2008 (June 16–24) 14</p> <p>Prague, Czech Republic, 2012 (July 1–4) 15</p> <p>Acknowledgements 16</p> <p>References 16</p> <p>The 6th International Conference on Trilobites and their Relatives: Tallinn calling, Estonia celebrating <i>By </i>Helje Parnaste 17</p> <p>Acknowledgements 20</p> <p>References 21</p> <p>Early post‐embryonic trilobite stages and possible eggs from the ‘Tu nel Ordovicico del Fabar’ (Middle Ordovician, northwestern Spain) <i>By </i>Enrique Bernardez, Jorge Esteve, Lukaš Laibl, Isabel Rabano and Juan Carlos Gutierrez-Marco 23</p> <p>Materials and methods 24</p> <p>Geological setting 24</p> <p>Trilobite early stages 25</p> <p>Possible trilobite eggs 27</p> <p>Discussion 30</p> <p>Concluding remarks 30</p> <p>Acknowledgements 31</p> <p>References 31</p> <p>Stratigraphy and trilobite biofacies of the Late Ordovician of the Taimyr Peninsula, Arctic Russia <i>By </i>Jan OveR Ebbestad & Richard A Fortey 35</p> <p>Introduction 35</p> <p>The Taimyr Peninsula 36</p> <p>Geography and previous research 36</p> <p>Structural setting 36</p> <p>Facies regions and areas 38</p> <p>Stratigraphy 38</p> <p>Units, ages and fossils 38</p> <p>Vesenn’aya Formation (Vesenninskaa tolŝa) 40</p> <p>Toll Formation (Tollevskaa Svita) 40</p> <p>Engelgardt Formation (Engel’gardtovskaa Svita) 40</p> <p>Tolmachev Formation (Tolmač evskaa Svita) 41</p> <p>Barkov Formation (Barkovskaa Svita) 41</p> <p>Mutnyj Formation (Mutninskaa svita) 42</p> <p>Povorotnaya Formation (Povorotninskaa svita) 42</p> <p>Trilobite distribution and biofacies 43</p> <p>Stratigraphical distribution 43</p> <p>Biofacies 43</p> <p>Scoto‐Appalachian comparison 48</p> <p>Barkov Formation 49</p> <p>Conclusions 49</p> <p>Acknowledgements 49</p> <p>References 50</p> <p>The earliest known West Gondwanan trilobites from the Anti‐Atlas of Morocco, with a revision of the Family Bigotinidae Hupe, 1953 <i>By </i>Gerd Geyer 55</p> <p>Introduction 55</p> <p>Geological setting and stratigraphy of the Anti‐Atlas sections 56</p> <p>Tiout section 56</p> <p>Igoudine Formation 57</p> <p>Amouslek Formation 57</p> <p>Tazemmourt section 58</p> <p>Amouslek section 60</p> <p>Trilobite occurrence, diversity and biostratigraphy 60</p> <p>Trilobite preservation and preparation 62</p> <p>Biostratigraphical implications and biochronological framework 62</p> <p>Systematic palaeontology 63</p> <p>Class Trilobita Walch, 1771 64</p> <p>Order Redlichiida Richter, 1932 64</p> <p>Suborder Redlichiina Richter, 1932 64</p> <p>Family Bigotinidae Hupe, 1953 64</p> <p>Genus <i>Bigotina </i>Cobbold, 1935 65</p> <p><i>Bigotina bivallata </i>Cobbold, 1935 73</p> <p><i>Bigotina kelleri </i>n. sp 77</p> <p><i>Bigotina monningeri </i>n. sp 80</p> <p><i>Bigotina </i>sp. A 84</p> <p><i>Bigotina </i>sp. B 85</p> <p><i>Bigotina angulata </i>Suvorova, 1960 87</p> <p><i>Bigotina inornata </i>Egorova, 1986 89</p> <p>Genus <i>Bigotinella </i>Suvorova, 1960 90</p> <p><i>Bigotinella malykanica </i>(Suvorova, 1960 ) 92</p> <p>Genus <i>Bigotinops </i>Hupe, 1953 92</p> <p><i>Bigotinops dangeardi </i>Hupe, 1953 94</p> <p><i>Bigotinops chouberti </i>n. sp 97</p> <p>Genus <i>Ouijjania </i>Hupe, 1953 100</p> <p><i>Ouijjania meridionalis </i>Hupe, 1953 102</p> <p>Genus <i>Demuma </i>Ozdikmen, 2009 104</p> <p><i>Demuma nicklesi </i>(Hupe, 1953) 104</p> <p>‘<i>Demuma bourgini </i>(Hupe, 1953)’ 106</p> <p>Genus <i>Issendalenia </i>n. gen 106</p> <p><i>Issendalenia grandispina </i>n. gen., n. sp 106</p> <p>Genus <i>Tioutella </i>n. gen 109</p> <p><i>Tioutella floccofavosa </i>n. gen., n. sp 109</p> <p>Genus <i>Pseudobigotina </i>n. gen 111</p> <p><i>Pseudobigotina antiatlasensis </i>n. gen., n. sp 113</p> <p>Genus <i>Hupetina </i>Sdzuy, 1978 115</p> <p><i>Hupetina antiqua </i>Sdzuy, 1978 116</p> <p>Genus <i>Serrania </i>Linan, 1978 119</p> <p><i>Serrania verae </i>Linan, 1978 120</p> <p>Genus <i>Eladiolinania </i>n. gen 120</p> <p><i>Eladiolinania castor </i>n. gen., n. sp 122</p> <p><i>Eladiolinania pollux </i>n. gen., n. sp 125</p> <p><i>Eladiolinania</i>? <i>palaciosi </i>(Linan, Gozalo, Dies Alvarez, Gamez Vintaned & Zamora, 2008) 126</p> <p><i>Eladiolinania? gordaensis </i>(Linan, Gozalo, Dies Alvarez, Gamez Vintaned & Zamora, 2008) 127</p> <p>Genus <i>Suvorovaella </i>n. gen 128</p> <p><i>Suvorovaella priva </i>(Suvorova, 1960) 129</p> <p><i>Suvorovaella</i>? <i>patria </i>(Suvorova, 1960) 131</p> <p>Genus and species indeterminate A 131</p> <p>Genus and species indeterminate B 132</p> <p>Genus and species indeterminate C 133</p> <p>Genus and species indeterminate D 133</p> <p>Genus and species indeterminate E 133</p> <p>Family Minusinellidae n. fam `134</p> <p><i>Minusinella </i>Repina, 1960 134</p> <p>Family indeterminate 135</p> <p>Genus and species indeterminate F 135</p> <p>Superfamily Fallotaspidoidea Hupe, 1953 135</p> <p>Family Fallotaspididae Hupe 1953 135</p> <p>Genus <i>Eofallotaspis </i>Sdzuy, 1978 135</p> <p><i>Eofallotaspis tioutensis </i>Sdzuy, 1978 137</p> <p><i>Eofallotaspis prima </i>Sdzuy, 1978 141</p> <p>Genus <i>Debrenella </i>n. gen 143</p> <p><i>Debrenella larvalis </i>n. gen., n. sp 145</p> <p>Genus <i>Fallotaspis </i>Hupe, 1953 146</p> <p><i>Fallotaspis plana </i>Hupe, 1953, emend 146</p> <p><i>Fallotaspis antecedens </i>n. sp 149</p> <p>Acknowledgements 150</p> <p>References 150</p> <p>The nileid trilobite <i>Symphysurus </i>from upper Tremadocian strata of the Moroccan Anti‐Atlas: axonomic reappraisal and palaeoenvironmental implications <i>By </i>Juan Carlos Gutierrez-Marco, Isabel Rabano & Diego C Garcia-Bellido 155</p> <p>Introduction 155</p> <p>Materials and methods 156</p> <p>Stratigraphical context 156</p> <p>Systematic Palaeontology 157</p> <p>Order Asaphida Salter, 1864 157</p> <p>Superfamily ?Cyclopygoidea Raymond, 1925 157</p> <p>Family Nileidae Angelin, 1854 157</p> <p>Genus <i>Symphysurus </i>Goldfuss, 1843 157</p> <p><i>Symphysurus ebbestadi </i>n. sp 158</p> <p><i>Symphysurus sicardi </i>(Bergeron, 1895) 164</p> <p><i>Symphysurus</i>? n. sp 166</p> <p>Notes on palaeoecology and palaeoenvironments 166</p> <p>Conclusions 168</p> <p>Acknowledgements 168</p> <p>References 169</p> <p>Trilobite‐based biostratigraphy of the Xiaoshiba Lagerstatte <i>By </i>Jin-Bo Hu, Jie Yang, Xi-Guang Zhang, Nigel C Hughes & Tian Lan 173</p> <p>Introduction 173</p> <p>Geological setting 174</p> <p>Results and discussion 176</p> <p>Systematic palaeontology 178</p> <p>Class Trilobita Walch, 1771 178</p> <p>Order Redlichiida Richter, 1933 178</p> <p>Suborder Redlichiina Harrington, 1959</p> <p>(<i>in </i>Harrington <i>et al., </i>1959) 178</p> <p>Superfamily Ellipsocephalacea Matthew, 1887 178</p> <p>Family Yunnanocephalidae Hupe, 1953 178</p> <p>Genus <i>Yunnanocephalus </i>Kobayashi, 1936 178</p> <p><i>Yunnanocephalus yunnanensis </i>(Mansuy, 1912) 178</p> <p>Superfamily Redlichiacea Poulsen, 1927 180</p> <p>Family Dolerolenidae Kobayashi, 1951 (<i>in </i>Kobayashi & Kato, 1951) 180</p> <p>Genus <i>Dolerolenus </i>Leanza, 1949 181</p> <p>Subgenus <i>Dolerolenus (Malungia) </i>Lu, 1961 181</p> <p><i>Dolerolenus (Malungia) laevigata </i>Lu, 1961 181</p> <p>Family Gigantopygidae Harrington, 1959</p> <p>(<i>in </i>Harrington <i>et al., </i>1959) 182</p> <p>Subfamily Yiliangllinae Zhang & Lin, 1980 (<i>in </i>Zhang <i>et al., </i>1980) 182</p> <p>Genus <i>Zhangshania </i>Li & Zhang, 1990 (<i>in </i>Li <i>et al., </i>1990) 182</p> <p><i>Zhangshania typica </i>Li & Zhang, 1990 182</p> <p>Variant of <i>Z. typica</i> 183</p> <p>Family Metadoxididae Whitehouse, 1939 185</p> <p>Genus <i>Hongshiyanaspis </i>Zhang & Lin, 1980 185</p> <p><i>Hongshiyanaspis yiliangensis </i>Zhang & Lin, 1980 185</p> <p>Family Redlichiidae Poulsen, 1927 185</p> <p>Subfamily Wutingaspinae Chang, 1966 185</p> <p>Genus <i>Chengjiangaspis </i>Zhang & Lin, 1980 185</p> <p><i>Chengjiangaspis chengjiangensis </i>Zhang & Lin, 1980 186</p> <p>Genus <i>Kuanyangia </i>Hupe, 1953 187</p> <p><i>Kuanyangia pustulosa </i>Lu, 1941 187</p> <p><i>Kuanyangia shaanxiensis </i>Zhang & Lin, 1980 188</p> <p>Acknowledgements 189</p> <p>References 189</p> <p>The taphonomy of a trilobite fauna from an uppermost Katian echinoderm Lagerstatte in South West Wales <i>By </i>Lucy M E McCobb, Patrick D McDermott & Alan W. Owen 193</p> <p>The Llanddowror bypass echinoderm Lagerstätten 194</p> <p>Trilobite fauna 194</p> <p>Taphonomy 195</p> <p>Conclusions 202</p> <p>Acknowledgements 202</p> <p>References 202</p> <p>The Silurian and Devonian proetid and aulacopleurid trilobites of Japan and their palaeogeographical signifi cance <i>By </i>Christopher P Stocker, Derek J Siveter, Philip D Lane, Mark Williams, Tatsua Ojl, Gengo Tanaka, Toshifumi Komatsu, Simon Wallis, David J Siveter & Th ijs R A Vandenbroucke 205</p> <p>Introduction 205</p> <p>Geological background 206</p> <p>Material and methods 207</p> <p>Palaeoecology 208</p> <p>Palaeobiogeography 211</p> <p>Intra-Japanese terrane palaeobiogeography 211</p> <p>Connections with Chinese and peri-Gondwanan terranes 211</p> <p>Systematic palaeontology 212</p> <p>Order Proetida Fortey & Owens, 1975 212</p> <p>Family Proetidae Salter, 1864 212</p> <p>Subfamily Proetinae Salter, 1864 212</p> <p>Genus <i>Coniproetus </i>Alberti, 1966 212</p> <p><i>Coniproetus subovalis </i>(Kobayashi & Hamada,1974) 212</p> <p><i>Coniproetus </i>sp A 214</p> <p>Genus <i>Ganinella </i>Yolkin, 1968 214</p> <p><i>Ganinella tenuiceps </i>(Kobayashi & Hamada, 1987) 215</p> <p><i>Ganinella fukujiensis </i>(Kobayashi & Hamada,1977) 216</p> <p><i>Ganinella oisensis </i>(Kobayashi & Hamada, 1977) 218</p> <p>Genus <i>Gomiites </i>Pr˘ibyl & Vanĕk, 1978 219</p> <p><i>Gomiites granulatus </i>(Kobayashi & Hamada, 1974) 220</p> <p><i>Gomiites latiaxis </i>(Kobayashi & Hamada, 1986) 222</p> <p>Subfamily Crassiproetinae Osmolska, 1970 223</p> <p>Genus <i>Hedstroemia </i>Pr˘ibyl & Vanĕk, 1978 223</p> <p><i>Hedstroemia sugiharensis </i>(Kobayashi & Hamada,1974) 223</p> <p>Subfamily Cornuproetinae Richter <i>et al</i> in Moore, 1959 224</p> <p>Genus <i>Interproetus </i>Šnajdr, 1977 224</p> <p><i>Interproetus mizobuchii </i>n. sp 224</p> <p>Subfamily Eremiproetinae Alberti, 1967 226</p> <p>Genus <i>Eremiproetus </i>Richter & Richter, 1919 226</p> <p><i>Eremiproetus? subcarinatus </i>(Kobayashi & Hamada, 1974) 226</p> <p><i>Eremiproetus? magnicerviculus </i>(Kobayashi & Hamada, 1974) 227</p> <p>Subfamily Dechenellinae Pr˘ibyl, 1946 227</p> <p>Genus <i>Dechenella </i>Kayser, 1880 227</p> <p><i>Dechenella minima </i>Okubo, 1951 227</p> <p>Subfamily Warburgellinae Owens, 1973 228</p> <p>Genus <i>Latiproetus </i>Lu, 1962 228</p> <p><i>Latiproetus bilobus </i>(Kobayashi & Hamada, 1974) 228</p> <p>Order Aulacopleurida Adrain, 2011 229</p> <p>Family Aulacopleuridae Angelin, 1854 229</p> <p>Subfamily Otarioninae Richter & Richter, 1926 229</p> <p>Genus <i>Maurotarion </i>Alberti, 1969 229</p> <p><i>Maurotarion megalops </i>(Kobayashi & Hamada, 1977) 229</p> <p>Acknowledgements 230</p> <p>References 230</p>

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