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Lepidenteron lewesiensis (Mantell, 1822) Polychaete Burrows from the Upper Cretaceous of the Samara Region

A. S. BakaevBorissiak Paleontological Institute, Russian Academy of Sciences, 117647, Moscow, RussiaA. G. SennikovBorissiak Paleontological Institute, Russian Academy of Sciences, 117647, Moscow, RussiaV. P. MorovSamara Federal Research Center of the Russian Academy of Sciences, Institute of Ecology of the Volga River Basin, Russian Academy of Sciences, 445003, Tolyatti, RussiaD. V. VarenovThe Samara Museum for History and Regional Studies named after P.V. Alabin, 443041, Samara, RussiaI. V. NovikovBorissiak Paleontological Institute, Russian Academy of Sciences, 117647, Moscow, RussiaR. A. GunchinSamara Paleontological Society, 443016, Samara, Russia

Paleontological Journaljournal2025en

ABI

Annotatsiya

Burrows of the predatory polychaete Lepidenteron lewesiensis (Mantell, 1822) are described from the marine Upper Cretaceous (Santonian–Maastrichtian) deposits of the Middle Volga region. A belemnite rostrum and bone remains and scales of bony fishs belonging to five taxa were found in the burrows: one Teleostei indet., two Clupeocephala indet., one Dercetis sp. and one Cyranichthys sp. The find of the belemnite rostrum is the first evidence of belemnites being eaten (by hunting or scavenging) by the predatory polychaete—producers of L. lewesiensis burrow. The discovery of L. lewesiensis burrows in the Middle Volga region significantly expands our understanding of the fauna of bony fishes and the Late Cretaceous marine paleoecosystems of this region, as well as the geographic distribution of this ichnospecies.

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Mavzular

Paleontology and Evolutionary Biology Geological formations and processes Paleontology and Stratigraphy of Fossils

Identifikatorlar

DOI: 10.1134/s0031030125601008

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