Ferussina petofiana, Tang & Zhang & Guo & Luo & Jiang & Pan, 2023

Tang, Jin, Zhang, Gongaote, Guo, Junqi, Luo, Lingxuan, Jiang, Jiamei & Pan, Hongbo, 2023, Ferussina Petofiana Sp. N. (Gastropoda, Caenogastropoda, Cyclophoridae), The Oldest Representative Of Its Subfamily From The Late Cretaceous Of Romania, Acta Zoologica Academiae Scientiarum Hungaricae 69 (4), pp. 337-352 : 337

publication ID

https://zoobank.org/6836FC88-636F-412E-850C-26F8C1A6294B

persistent identifier

https://treatment.plazi.org/id/15297C4E-FFFB-3877-6BDD-CB54FBB5C274

treatment provided by

Felipe

scientific name

Ferussina petofiana
status

sp. n.

FERUSSINA PETOFIANA View in CoL SP. N.

( GASTROPODA, CAENOGASTROPODA, CYCLOPHORIDAE ), THE OLDEST REPRESENTATIVE OF ITS SUBFAMILY FROM THE LATE CRETACEOUS OF ROMANIA

BARNA PÁLL-GERGELY 1, JÁNOS MAGYAR 2, ZOLTÁN CSIKI-SAVA 3 and GÁBOR BOTFALVAI 2, 4, 5

1 Plant Protection Institute , HUN-REN Centre for Agricultural Research H-1022 Budapest, Herman Ottó út 15, Hungary; E-mail: pallgergely2@gmail.com; https://orcid.org/0000 - 0002-6167-7221 2 Institute of Geography and Earth Sciences , Department of Paleontology, Eötvös Loránd University, Budapest, Hungary; E-mail: magyarjani90@gmail.com; https://orcid.org/0000 - 0002-2072-0174 3 Department of Geology , Mineralogy and Palaeontology , Faculty of Geology and Geophysics, University of Bucharest, 1 N. Bălcescu Blvd, 010041 Bucharest, Romania; E-mail: zoltan.csiki@g.unibuc.ro; https://orcid.org/0000 - 0001-7144-0327 4 Department of Palaeontology and Geology , Hungarian Natural History Museum, H-1088 Budapest, Baross utca 13, Hungary; 5 HUN-REN–MTM–ELTE Research Group for Paleontology, H-1431 Budapest, P.O. Box 137, Hungary E-mail: botfalvai.gabor@gmail.com; https://orcid.org/0000 -0002-5479-9036

The terrestrial gastropod Ferussina petofiana Páll-Gergely sp. n. is described from uppermost Cretaceous (Maastrichtian) deposits from the Haţeg Basin, Romania. It represents the first properly diagnosed and described snail taxon from these deposits, despite numerous earlier reports of gastropod occurrences. This new species is characterized by a depressed, mostly smooth shell, three spiral carinae on the ventral side (inside the umbilicus), and an upward-turning aperture. The last feature characterizes two European fossil snail genera, the cyclophoroidean Ferussina , and the stylommatophoran Strophostomella . The new species is classified in the former group due to its nearly circular aperture, and the presence of conspicuous spiral carinae. In contrast, the aperture of most stylommatophoran genera (including Strophostomella ) is semilunar, and if raised sculptural elements are present, they are mostly radially oriented. The identification of this new taxon in the uppermost Cretaceous of Romania represents an important range extension for the genus Ferussina , and adds it to the brief list of European clades that appear to have survived the mass extinction event at the Cretaceous-Paleogene boundary.

Key words: Maastrichtian, Strophostomella , Anostomopsidae, Paleogene , K-Pg boundary

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