Lochkovian, early Devonian scolecodonts from Podolia, Ukraine

Szaniawski, Hubert; Drygant, Daniel

doi:10.4202/app.2012.0120

Cited by 4 publications

(11 citation statements)

References 36 publications

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“…Oenonites (=Polychaetaspis according to Szaniawski and Drygant 2014) Kalloprionidae and Atraktoprionidae. These families are represented by only a few specimens 243 attributed to the geographically and stratigraphically widespread genera Kalloprion (Fig.…”

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confidence: 99%

Late Ordovician jaw-bearing polychaetes from Anticosti Island, eastern Canada, and their biogeographic significance

2016

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The Upper Ordovician to lower Silurian shallow marine succession of Anticosti Island, eastern Canada, provides one of the most complete records across the Hirnantian in the world. This study reports a diverse assemblage of scolecodonts (polychaete jaws) from the upper Katian and Hirnantian Vauréal, Ellis Bay, and basal Becscie formations of western Anticosti. The collection of 10 samples includes ca. 30 species representing 10 families. The fauna is dominated by polychaetaspids, mochtyellids, paulinitids, and polychaeturids. The family Xanioprionidae and genera Pistoprion, Tetraprion, and Rakvereprion are documented for the first time from the Ordovician of Laurentia. The Anticosti polychaete fauna shows great similarity to the contemporaneous faunas of Baltoscandia. This is evidenced by a high relative abundance of mochtyellids and polychaeturids and a number of common species, thus suggesting that the closing Iapetus Ocean at that time did not constitute a barrier for the dispersal of jaw-bearing polychaetes. Some Laurentian influence is, however, indicated by the occurrence of hadoprionids. Distinct Katian Vauréal and Hirnantian Ellis Bay scolecodonts are likely reflecting faunal reorganization linked to local environmental changes rather than the initial phase of the Hirnantian mass extinction.

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Late Ordovician jaw-bearing polychaetes from Anticosti Island, eastern Canada, and their biogeographic significance

2016

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“…A summary of the history of the research on Devonian scolecodonts was recently provided by Eriksson et al . () and Szaniawski and Drygant ().…”

Section: Previous Record Of Middle Devonian Scolecodontsmentioning

confidence: 99%

“…For the Devonian, our knowledge is still largely based on historical accounts of bedding plane material and single‐element‐based taxonomy (summary in Eriksson et al . ; Szaniawski and Drygant ).…”

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confidence: 99%

Middle Devonian jawed polychaete fauna from the type Eifel area, western Germany, and its biogeographical and evolutionary affinities

Tonarová

Hints

Königshof

et al. 2016

Papers in Palaeontology

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A rich assemblage of Middle Devonian (late Eifelian) polychaete jaws (scolecodonts) from the Blankenheimerdorf section in the type Eifel area, western Germany, is described. The top part of the section also reflects the onset of the global Ka c ak Event. The sediments of the section were deposited in a shallow to deep subtidal environment on the southern Avalonian margin. The habitat was obviously favourable for jaw-bearing polychaetes, which are represented by 18 species belonging to 9 genera. The assemblage is dominated by polychaetaspids, followed by mochtyellids, paulinitids and kielanoprionids. Notably, this study documents one of the oldest records of kielanoprion-ids, a polychaete family common since the Middle Devonian and closely related to the extant Hartmaniellidae. This may indicate that a prominent change in jawed polychaete evolution occurred during the Early-Middle Devonian transition. Moreover, we present new information on polychaete palaeobiogeography, which when compared with previously described Devonian scolecodonts shows that very similar polychaete faunas with many species in common were widespread in today's Europe and North America.

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“…A review of the stratigraphical changes has been presented in detail i.a. by Abushik et al (1985), and in more recent papers by ), Voychyshyn (2011, Racki et al (2012) and Szaniawski and Drygant (2014). Most of sedimentological, palaeoecological and geochemical investigations, inspired usually by prof. Szaniawski from the Institute of Palaeobiology of the Polish Academy of Sciences, and carried out in the beginning of the 21st century, were focused on the short intervals corresponding to global isotopic events.…”

Section: History Of Polish Investigations Of the Western Part Of Ukrainementioning

confidence: 99%

“…The situation changed after the foundation of the Ukrainian state in 1991, and a number of Polish researchers, in collaboration with their Ukrainian partners, began new investigations (e.g. Racki et al 2012;Środoń et al 2013;Szaniawski and Drygant 2014). The team from the University of Warsaw (authors of the present paper) began their work on the upper Silurian of Podolia in 2005, with extensive help from Prof. Danyło Drygant from the State Museum of Natural History in Lviv, National Academy of Sciences of Ukraine, who introduced us to the topic and showed us the crucial localities.…”

Section: Introductionmentioning

confidence: 99%

Recent studies on the Silurian of the western part of Ukraine

Łuczyński

Skompski²,

Kozłowski³

2016

Acta Geologica Polonica

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ABSTRACT:Łuczyński, P., Skompski, S. and Kozłowski, W. 2016. Recent studies on the Silurian of the western part of Ukraine. Acta Geologica Polonica, 66 (3), 281-297. Warszawa.The paper summarises the effects of recent studies carried out by a team from the Department of Historical and Regional Geology of the Faculty of Geology, University of Warsaw on the upper Silurian of Podolia (western part of Ukraine).The sedimentary history of the Silurian succession of Podolia is characterised by its cyclic pattern, with shallowing-upward cyclothems. In the traditional interpretation, the occurrence of stromatoporoid beds within each cyclothem marks the deepest (or most open-marine) sedimentary environment within the cycle. According to the results of recent studies, their occurrence is connected rather with a relatively shallow-water environment and with high energy phenomena. A substantial reinterpretation of the main sedimentary processes governing the deposition and facies distribution on the shelf is presented. Particularly, there are recognised and described high-energy sedimentary events repeatedly punctuating the generally calm sedimentation that prevailed in the lagoonal settings, some of which are interpreted as tsunami induced.Further perspectives for studies on the Silurian successions of Podolia are also discussed. The main problem is the precise correlation of particular sections that are scattered over vast distances and developed in similar facies associations.

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Lochkovian, early Devonian scolecodonts from Podolia, Ukraine

Abstract: One of the most fossiliferous and thickest sections of the marine Lower Devonian deposits was, for the first time investigated for the content of polychaete jaws (= scolecodonts

Cited by 4 publications

References 36 publications

Late Ordovician jaw-bearing polychaetes from Anticosti Island, eastern Canada, and their biogeographic significance

Late Ordovician jaw-bearing polychaetes from Anticosti Island, eastern Canada, and their biogeographic significance

Middle Devonian jawed polychaete fauna from the type Eifel area, western Germany, and its biogeographical and evolutionary affinities

Recent studies on the Silurian of the western part of Ukraine

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