Papers from the 6th International Conference on Trilobites and their Relatives

A volume from a monograph series featuring seven papers on trilobites with brief summaries This research volume is entitled Papers from the 6th International Conference on Trilobites and their Relatives. It's Volume 64 within the Fossils and Strata monograph series. The research compilation originated from a 2017 conference in Estonia. Seven papers on trilobites are included with summaries in the publication. The papers' topics cover trilobites from the Early Cambrian to the Late Devonian.

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Papers from the 6th International Conference on Trilobites and their Relatives By Alan W Owen & David L Bruton 1

Acknowledgements 2

References 2

From Oslo to Prague the Trilobite meetings 19732012 By David 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 celebrating By Helje Parnaste 17

Acknowledgements 20

References 21

Early postembryonic trilobite stages and possible eggs from the 'Tu nel Ordovicico del Fabar' (Middle Ordovician, northwestern Spain) By Enrique 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 Russia By Jan 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

Vesenn'aya Formation (Vesenninskaa tola) 40

Toll Formation (Tollevskaa Svita) 40

Engelgardt Formation (Engel'gardtovskaa 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, 1953 By Gerd 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

Genus Bigotina Cobbold, 1935 65

Bigotina bivallata Cobbold, 1935 73

Bigotina kelleri n. sp 77

Bigotina monningeri n. sp 80

Bigotina sp. A 84

Bigotina sp. B 85

Bigotina angulata Suvorova, 1960 87

Bigotina inornata Egorova, 1986 89

Genus Bigotinella Suvorova, 1960 90

Bigotinella malykanica (Suvorova, 1960 ) 92

Genus Bigotinops Hupe, 1953 92

Bigotinops dangeardi Hupe, 1953 94

Bigotinops chouberti n. sp 97

Genus Ouijjania Hupe, 1953 100

Ouijjania meridionalis Hupe, 1953 102

Genus Demuma Ozdikmen, 2009 104 *Demuma nicklesi </i...