Vol 68, No 3 (2018)

Proceedings of the 14th International Symposium on Early and Lower Vertebrates

Table of Contents

Articles

Fifty-year history of Early/Lower Vertebrates symposia – An overview
Hans-Peter Schultze
Acta Geologica Polonica Vol 68, No 3 (2018) 263−273
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A redescription of Tesseraspis mosaica Karatajūtė-Talimaa, 1983 (Vertebrata: †Pteraspidomorphi: Heterostraci) from the Lochkovian (Lower Devonian) of Severnaya Zemlya, Russia, with a review of tessellated heterostracan taxa
Alain Blieck, David K. Elliot, Valentina N Karatajute_Talimaa
Acta Geologica Polonica Vol 68, No 3 (2018) 275–306
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Acanthodians from the Lower Devonian (Emsian) ‘Placoderm Sandstone’, Holy Cross Mountains, Poland.
Carole J Burrow, Piotr Szrek
Acta Geologica Polonica Vol 68, No 3 (2018) 307–320
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Stem chondrichthyan microfossils from the Lower Old Red Sandstone of the Welsh Borderland
Carole J Burrow, Susan Turner
Acta Geologica Polonica Vol 68, No 3 (2018) 321–334
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The Early Devonian ischnacanthiform acanthodian Ischnacanthus gracilis (Egerton, 1861) from the Midland Valley of Scotland
Carole J Burrow, Michael Newman, Jan Den Blaauwen, Roger Jones, Robert Davidson
Acta Geologica Polonica Vol 68, No 3 (2018) 335–362
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A new aspinothoracid arthrodire from the Late Devonian of Ohio, U.S.A.
Robert K Carr
Acta Geologica Polonica Vol 68, No 3 (2018) 363–379
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A preliminary note of egg-case oviparity in a Devonian placoderm fish
Robert K Carr, Gary Jackson
Acta Geologica Polonica Vol 68, No 3 (2018) 381–389
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Symmoriiform sharks from the Pennsylvanian of Nebraska
Michał Ginter
Acta Geologica Polonica Vol 68, No 3 (2018) 391–401
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A revision of Campyloprion Eastman, 1902 (Chondrichthyes, Helicoprionidae), including new occurrences from the Upper Pennsylvanian of New Mexico and Texas, USA
Wayne M Itano, Spencer G Lucas
Acta Geologica Polonica Vol 68, No 3 (2018) 403–419
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Orthacanthus platypternus (Cope, 1883) (Chondrichthyes: Xenacanthiformes) teeth and other isolated vertebrate remains from a single horizon in the early Permian (Artinskian) Craddock Bonebed, lower Clear Fork Group, Baylor County, Texas, USA
Gary D Johnson
Acta Geologica Polonica Vol 68, No 3 (2018) 421–436
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New materials on Ventalepis ketleriensis Schultze, 1980 extend the zoogeographic area of a Late Devonian vertebrate assemblage
Oleg Lebedev, Ervins Luksevics
Acta Geologica Polonica Vol 68, No 3 (2018) 437–454
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On the erroneous identification of a turiniid thelodont in the Middle/Upper Devonian boundary beds of the Middle Urals
Tiiu Märss, Alexander Ivanov
Acta Geologica Polonica Vol 68, No 3 (2018) 455
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Vascular structure of the earliest shark teeth
Carlos Martinez-Perez, Alba Martin-Lazaro, Humberto G Ferron, Martina Kirstein, Philip C.J. Donoghue, Hector Botella
Acta Geologica Polonica Vol 68, No 3 (2018) 457–465
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Middle Devonian thelodont Australolepis sp. (Thelodonti) from the Skały Formation, Holy Cross Mountains, Poland
Susan Turner, Michael Ginter
Acta Geologica Polonica Vol 68, No 3 (2018) 467–473
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A review of Silurian fishes from north-western Hunan, China and related biostratigraphy
Wenjin Zhao, Min Zhu, Zhikun Gai, Zhaohui Pan, Zindong Ciu, Jiachen Cai
Acta Geologica Polonica Vol 68, No 3 (2018) 475–486
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