Occurrence and paleoecological significance of lyssacinosid sponges in the Upper Cretaceous deposits of southern Poland

Świerczewska-Gładysz, Ewa; Jurkowska, Agata

doi:10.1007/s10347-012-0340-2

Cited by 22 publications

(11 citation statements)

References 36 publications

(11 reference statements)

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“…This area belongs to the Miechów Trough as part of the so-called Szczecin-Łódź-Miechów synclinorium 15 . The exposed Cretaceous sequence comprises nearly 20 m of Upper Campanian (B79 Ma) opoka ( ¼ calcarenite), marls and cherts 16,17 .…”

Section: Resultsmentioning

confidence: 99%

Microlens arrays in the complex visual system of Cretaceous echinoderms

et al. 2014

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It has long been assumed that photosensitivity in echinoderms is mainly related to diffuse photoreception mediated by photosensitive regions embedded within the dermis. Recent studies, however, have shown that some extant echinoderms may also display modified ossicles with microlenses acting as sophisticated photosensory organs. Thanks to their remarkable properties, these calcitic microlenses serve as an inspiration for scientists across various disciplines among which bio-inspired engineering. However, the evolutionary origins of these microlenses remain obscure. Here we provide microstructural evidence showing that analogous spherical calcitic lenses had been acquired in some brittle stars and starfish of Poland by the Late Cretaceous (Campanian, ~79 Ma). Specimens from Poland described here had a highly developed visual system similar to that of modern forms. We suggest that such an optimization of echinoderm skeletons for both mechanical and optical purposes reflects escalation-related adaptation to increased predation pressure during the so-called Mesozoic Marine Revolution.

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Section: Resultsmentioning

confidence: 99%

Microlens arrays in the complex visual system of Cretaceous echinoderms

et al. 2014

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“…In the Miechów Synclinorium, Lepidenteron lewesiensis , called also “ Terebella ” (for taxonomy see Suhr 1988 ) occurs in the transition from the distal Cruziana to the Zoophycos ichnofacies in totally bioturbated marls, which accumulated in deeper waters beyond the range of tempestites (Jurkowska and Uchman 2013 ). Abundant hexactinellid sponges, co-occurring in all studied stages with the Lepidenteron lewesiensis also indicate a calm-water environment of a deeper shelf and a slow rate of sedimentation (e.g., Olszewska-Nejbert and Świerczewska-Gładysz 2011 ; Świerczewska-Gładysz 2012a , b ; Świerczewska-Gładysz and Jurkowska 2013 ).…”

Section: Methodsmentioning

confidence: 92%

“…Specimens of Lepidenteron lewesiensis were found in marls of the Mytyloides scupini and Cremnoceramus waltersdorfensis waltersdorfensis Zones. These deposits are rich in fossils, including siliceous sponges, mainly hexactinellids (e.g., Leonhard 1897 ; Świerczewska-Gładysz 2012b ; Świerczewska-Gładysz and Jurkowska 2013 ), bivalves, especially inoceramids (Walaszczyk 1988 , 1992 ; Tarkowski 1991 ), echinoids (Olszewska-Nejbert 2007 ), and ammonites (Walaszczyk 1988 ). The whole succession has been intensively bioturbated (Kędzierski and Uchman 2001 ).…”

Section: Geological Settingmentioning

confidence: 99%

“…

Fig. 3 Geological column of the studied sections in the Miechów Synclinorium (after Jagt et al 2004 ; Świerczewska-Gładysz and Jurkowska 2013 ; Jurkowska 2014 ), the Border Synclinorium (after Walaszczyk 2004 ), and part of the Mielnik section with Lepidenteron lewesiensis (Mantell 1822 ) …”

Section: Geological Settingmentioning

confidence: 99%

“…The lower part of the succession corresponds to the ‘ Inoceramus ’ altus Zone, whereas the middle and upper parts belong to the ‘ Inoceramus ’ inkermanensis Zone (Walaszczyk 2004 , 2012). The most abundant fossils are siliceous sponges (Świerczewska-Gładysz 2006 , 2012a ; Świerczewska-Gładysz and Jurkowska 2013 ), ammonites (Błaszkiewicz 1980 ; Machalski 2012 ), belemnites (Kongiel 1962 ; Remin 2012 ), inoceramids (Walaszczyk 2004 ), bivalves, and gastropods (Abdel-Gawad 1986 , 1990 ). The nautiloids, echinoids, brachiopods, and solitary corals also are numerous.…”

Section: Geological Settingmentioning

confidence: 99%

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The trace fossil Lepidenteron lewesiensis: a taphonomic window on diversity of Late Cretaceous fishes

et al. 2015

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The trace fossil Lepidenteron lewesiensis (Mantell 1822) provides an exceptional taphonomic window to diversity of fishes as shown for the Upper Cretaceous of Poland, in the Middle Turonian–Lower Maastrichtian deposits of the Opole Trough, Miechów Trough, Mazury-Podlasie Homocline, and SE part of the Border Synclinorium. Lepidenteron lewesiensis is an unbranched burrow lined with small fish scales and bones, without a constructed wall. It contains scales, vertebrae, and bones of the head belonging to ten taxa of teleostean fishes: two undetermined teleosteans, six undetermined Clupeocephala, one Dercetidae, and one undetermined euteleostean. The preservation of fish remains suggests that fishes were pulled down into the burrow by an animal, probably by eunicid polychaetes.

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Occurrence and paleoecological significance of lyssacinosid sponges in the Upper Cretaceous deposits of southern Poland

Cited by 22 publications

References 36 publications

Microlens arrays in the complex visual system of Cretaceous echinoderms

Microlens arrays in the complex visual system of Cretaceous echinoderms

The trace fossil Lepidenteron lewesiensis: a taphonomic window on diversity of Late Cretaceous fishes

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