Papers from the 6th International Conference on Trilobites and their RelativesByAlan W Owen& David L Bruton 1
Acknowledgements 2
References 2
From Oslo to Prague the Trilobite meetings 19732012ByDavid L Bruton 5
Introduction 5
Oslo, Norway 1973 (July 18) 5
Brock University, St Catharines, Ontario, Canada 1997 (August 2225) 8
University of Oxford, England, 2001 (April 36) 11
Toledo, Spain, 2008 (June 1624) 14
Prague, Czech Republic, 2012 (July 14) 15
Acknowledgements 16
References 16
The 6th International Conference on Trilobites and their Relatives: Tallinn calling, Estonia celebratingByHelje Parnaste 17
Acknowledgements 20
References 21
Early postembryonic trilobite stages and possible eggs from the Tu nel Ordovicico del Fabar (Middle Ordovician, northwestern Spain)ByEnrique Bernardez, Jorge Esteve, Luka¨ Laibl, Isabel Rabano and Juan Carlos Gutierrez-Marco 23
Materials and methods 24
Geological setting 24
Trilobite early stages 25
Possible trilobite eggs 27
Discussion 30
Concluding remarks 30
Acknowledgements 31
References 31
Stratigraphy and trilobite biofacies of the Late Ordovician of the Taimyr Peninsula, Arctic RussiaByJan OveR Ebbestad& Richard A Fortey 35
Introduction 35
The Taimyr Peninsula 36
Geography and previous research 36
Structural setting 36
Facies regions and areas 38
Stratigraphy 38
Units, ages and fossils 38
Vesennaya Formation (Vesenninskaa tola) 40
Toll Formation (Tollevskaa Svita) 40
Engelgardt Formation (Engelgardtovskaa Svita) 40
Tolmachev Formation (Tolma evskaa Svita) 41
Barkov Formation (Barkovskaa Svita) 41
Mutnyj Formation (Mutninskaa svita) 42
Povorotnaya Formation (Povorotninskaa svita) 42
Trilobite distribution and biofacies 43
Stratigraphical distribution 43
Biofacies 43
ScotoAppalachian comparison 48
Barkov Formation 49
Conclusions 49
Acknowledgements 49
References 50
The earliest known West Gondwanan trilobites from the AntiAtlas of Morocco, with a revision of the Family Bigotinidae Hupe, 1953ByGerd Geyer 55
Introduction 55
Geological setting and stratigraphy of the AntiAtlas sections 56
Tiout section 56
Igoudine Formation 57
Amouslek Formation 57
Tazemmourt section 58
Amouslek section 60
Trilobite occurrence, diversity and biostratigraphy 60
Trilobite preservation and preparation 62
Biostratigraphical implications and biochronological framework 62
Systematic palaeontology 63
Class Trilobita Walch, 1771 64
Order Redlichiida Richter, 1932 64
Suborder Redlichiina Richter, 1932 64
Family Bigotinidae Hupe, 1953 64
GenusBigotinaCobbold, 1935 65
Bigotina bivallataCobbold, 1935 73
Bigotina kellerin. sp 77
Bigotina monningerin. sp 80
Bigotinasp. A 84
Bigotinasp. B 85
Bigotina angulataSuvorova, 1960 87
Bigotina inornataEgorova, 1986 89
GenusBigotinellaSuvorova, 1960 90
Bigotinella malykanica(Suvorova, 1960 ) 92
GenusBigotinopsHupe, 1953 92
Bigotinops dangeardiHupe, 1953 94
Bigotinops choubertin. sp 97
GenusOuijjaniaHupe, 1953 100
Ouijjania meridionalisHupe, 1953 102
GenusDemumaOzdikmen, 2009 104
Demuma nicklesi(Hupe, 1953) 104
Demuma bourgini(Hupe, 1953) 106
GenusIssendalenian. gen 106
Issendalenia grandispinan. gen., n. sp 106
GenusTioutellan. gen 109
Tioutella floccofavosan. gen., n. sp 109
GenusPseudobigotinan. gen 111
Pseudobigotina antiatlasensisn. gen., n. sp 113
GenusHupetinaSdzuy, 1978 115
Hupetina antiquaSdzuy, 1978 116
GenusSerraniaLinan, 1978 119
Serrania veraeLinan, 1978 120
GenusEladiolinanian. gen 120
Eladiolinania castorn. gen., n. sp 122
Eladiolinania polluxn. gen., n. sp 125
Eladiolinania?palaciosi(Linan, Gozalo, Dies Alvarez, Gamez Vintaned& Zamora, 2008) 126
Eladiolinania? gordaensis(Linan, Gozalo, Dies Alvarez, Gamez Vintaned& Zamora, 2008) 127
GenusSuvorovaellan. gen 128
Suvorovaella priva(Suvorova, 1960) 129
Suvorovaella?patria(Suvorova, 1960) 131
Genus and species indeterminate A 131
Genus and species indeterminate B 132
Genus and species indeterminate C 133
Genus and species indeterminate D 133
Genus and species indeterminate E 133
Family Minusinellidae n. fam `134
MinusinellaRepina, 1960 134
Family indeterminate 135
Genus and species indeterminate F 135
Superfamily Fallotaspidoidea Hupe, 1953 135
Family Fallotaspididae Hupe 1953 135
GenusEofallotaspisSdzuy, 1978 135
Eofallotaspis tioutensisSdzuy, 1978 137
Eofallotaspis primaSdzuy, 1978 141
GenusDebrenellan. gen 143
Debrenella larvalisn. gen., n. sp 145
GenusFallotaspisHupe, 1953 146
Fallotaspis planaHupe, 1953, emend 146
Fallotaspis antecedensn. sp 149
Acknowledgements 150
References 150
The nileid trilobiteSymphysurusfrom upper Tremadocian strata of the Moroccan AntiAtlas: axonomic reappraisal and palaeoenvironmental implicationsByJuan Carlos Gutierrez-Marco, Isabel Rabano& Diego C Garcia-Bellido 155
Introduction 155
Materials and methods 156
Stratigraphical context 156
Systematic Palaeontology 157
Order Asaphida Salter, 1864 157
Superfamily ?Cyclopygoidea Raymond, 1925 157
Family Nileidae Angelin, 1854 157
GenusSymphysurusGoldfuss, 1843 157
Symphysurus ebbestadin. sp 158
Symphysurus sicardi(Bergeron, 1895) 164
Symphysurus? n. sp 166
Notes on palaeoecology and palaeoenvironments 166
Conclusions 168
Acknowledgements 168
References 169
Trilobitebased biostratigraphy of the Xiaoshiba LagerstatteByJin-Bo Hu, Jie Yang, Xi-Guang Zhang, Nigel C Hughes& Tian Lan 173
Introduction 173
Geological setting 174
Results and discussion 176
Systematic palaeontology 178
Class Trilobita Walch, 1771 178
Order Redlichiida Richter, 1933 178
Suborder Redlichiina Harrington, 1959
(inHarringtonet al.,1959) 178
Superfamily Ellipsocephalacea Matthew, 1887 178
Family Yunnanocephalidae Hupe, 1953 178
GenusYunnanocephalusKobayashi, 1936 178
Yunnanocephalus yunnanensis(Mansuy, 1912) 178
Superfamily Redlichiacea Poulsen, 1927 180
Family Dolerolenidae Kobayashi, 1951 (inKobayashi& Kato, 1951) 180
GenusDolerolenusLeanza, 1949 181
SubgenusDolerolenus (Malungia)Lu, 1961 181
Dolerolenus (Malungia) laevigataLu, 1961 181
Family Gigantopygidae Harrington, 1959
(inHarringtonet al.,1959) 182
Subfamily Yiliangllinae Zhang& Lin, 1980 (inZhanget al.,1980) 182
GenusZhangshaniaLi& Zhang, 1990 (inLiet al.,1990) 182
Zhangshania typicaLi& Zhang, 1990 182
Variant ofZ. typica 183
Family Metadoxididae Whitehouse, 1939 185
GenusHongshiyanaspisZhang& Lin, 1980 185
Hongshiyanaspis yiliangensisZhang& Lin, 1980 185
Family Redlichiidae Poulsen, 1927 185
Subfamily Wutingaspinae Chang, 1966 185
GenusChengjiangaspisZhang& Lin, 1980 185
Chengjiangaspis chengjiangensisZhang& Lin, 1980 186
GenusKuanyangiaHupe, 1953 187
Kuanyangia pustulosaLu, 1941 187
Kuanyangia shaanxiensisZhang& Lin, 1980 188
Acknowledgements 189
References 189
The taphonomy of a trilobite fauna from an uppermost Katian echinoderm Lagerstatte in South West WalesByLucy M E McCobb, Patrick D McDermott& Alan W. Owen 193
The Llanddowror bypass echinoderm Lagerstätten 194
Trilobite fauna 194
Taphonomy 195
Conclusions 202
Acknowledgements 202
References 202
The Silurian and Devonian proetid and aulacopleurid trilobites of Japan and their palaeogeographical signifi canceByChristopher 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
Introduction 205
Geological background 206
Material and methods 207
Palaeoecology 208
Palaeobiogeography 211
Intra-Japanese terrane palaeobiogeography 211
Connections with Chinese and peri-Gondwanan terranes 211
Systematic palaeontology 212
Order Proetida Fortey& Owens, 1975 212
Family Proetidae Salter, 1864 212
Subfamily Proetinae Salter, 1864 212
GenusConiproetusAlberti, 1966 212
Coniproetus subovalis(Kobayashi& Hamada,1974) 212
Coniproetussp A 214
GenusGaninellaYolkin, 1968 214
Ganinella tenuiceps(Kobayashi& Hamada, 1987) 215
Ganinella fukujiensis(Kobayashi& Hamada,1977) 216
Ganinella oisensis(Kobayashi& Hamada, 1977) 218
GenusGomiitesPribyl& Vank, 1978 219
Gomiites granulatus(Kobayashi& Hamada, 1974) 220
Gomiites latiaxis(Kobayashi& Hamada, 1986) 222
Subfamily Crassiproetinae Osmolska, 1970 223
GenusHedstroemiaPribyl& Vank, 1978 223
Hedstroemia sugiharensis(Kobayashi& Hamada,1974) 223
Subfamily Cornuproetinae Richteret al in Moore, 1959 224
GenusInterproetus¦najdr, 1977 224
Interproetus mizobuchiin. sp 224
Subfamily Eremiproetinae Alberti, 1967 226
GenusEremiproetusRichter& Richter, 1919 226
Eremiproetus? subcarinatus(Kobayashi& Hamada, 1974) 226
Eremiproetus? magnicerviculus(Kobayashi& Hamada, 1974) 227
Subfamily Dechenellinae Pribyl, 1946 227
GenusDechenellaKayser, 1880 227
Dechenella minimaOkubo, 1951 227
Subfamily Warburgellinae Owens, 1973 228
GenusLatiproetusLu, 1962 228
Latiproetus bilobus(Kobayashi& Hamada, 1974) 228
Order Aulacopleurida Adrain, 2011 229
Family Aulacopleuridae Angelin, 1854 229
Subfamily Otarioninae Richter& Richter, 1926 229
GenusMaurotarionAlberti, 1969 229
Maurotarion megalops(Kobayashi& Hamada, 1977) 229
Acknowledgements 230
References 230
