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A glimpse of a fish face: An exceptional fish feeding trace fossil from the Lower Devonian of the Holy Cross Mountains, Poland
Polish Geol Inst, Natl Res Inst, Rakowiecka 4 St, PL-00075 Warsaw, Poland. Polish Geol Inst, Natl Res Inst, Holy Cross Mt Branch, Zgoda 21 St, PL-00075 Kielce, Poland..
Holy Cross Mountains Branch of the Polish Geological Institute—National Research Institute, Zgoda 21 Street, 00-075 Kielce, Poland.
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Evolution and Developmental Biology.
Polish Acad Sci, Inst Paleobiol, Twarda 51-55, PL-00818 Warsaw, Poland..
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2016 (English)In: Palaeogeography, Palaeoclimatology, Palaeoecology, ISSN 0031-0182, E-ISSN 1872-616X, Vol. 454, 113-124 p.Article in journal (Refereed) PublishedText
Abstract [en]

An exceptionally well-preserved assemblage of numerous invertebrate and vertebrate trace fossils is described from the Lower Devonian of the Holy Cross Mountains, southern Poland. Two trace-bearing horizons occur in the shallow-marine sequence that is exposed in a small outcrop near Ujazd village. One of the trace fossils is preserved as a bilobate, generally elliptical, epichnial pit is described as Osculichnus tarnowskae isp. nov. and interpreted as a unique example of praedichnia. Neoichnologic experiments and observations indicate that the ichnogenus Osculichnus was produced by feeding fish. The fish producing O. tarnowskae probably hunted bivalves, polychaetes and arthropods, which are represented by invertebrate trace fossils in the same horizons. The overall shape and morphological details of O. tarnowskae suggest that it was made by a lungfish broadly similar to Dipnorhynchus. The trace provides the first direct evidence for Devonian lungfish feeding behaviour, as well as the first record of three-dimensional soft-tissue morphology of the snout area of an Emsian representative of this group. The trace fossils from Ujazd provide new insight into the palaeoecology and taphonomy of the Lower Devonian of the Holy Cross Mountains.

Place, publisher, year, edition, pages
2016. Vol. 454, 113-124 p.
Keyword [en]
Osculichnus, Trace fossils, Predation, Lower Devonian, Holy Cross Mountains, Poland
National Category
Evolutionary Biology Other Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:uu:diva-299549DOI: 10.1016/j.palaeo.2016.04.019ISI: 000377732200011OAI: oai:DiVA.org:uu-299549DiVA: diva2:949810
Funder
Knut and Alice Wallenberg Foundation
Available from: 2016-07-25 Created: 2016-07-22 Last updated: 2016-07-25Bibliographically approved

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Niedzwiedzki, GrzegorzAhlberg, Per E.
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