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Dental Replacement in Nesophontidae (Lipotyphla, Mammalia) from the Pleistocene of Cuba

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Abstract

The presence of deciduous premolars and erupting C1, P2, P4, I1, I2, I3, P2, and P4 in Nesophontidae is established for the first time on the fossil remains of Nesophontes major Arredondo, 1970, and N. micrus Allen, 1917 from El Abrón Cave (Republic of Cuba, Pinar del Río Province, Late Pleistocene). During ontogenesis, the replacement of teeth (except P1 and P1) occurred after the molar eruption, but before the animal reached adult size. By the dental replacement pattern nesophontids differ from most members of Lipotyphla and are close to Solenodontidae.

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ACKNOWLEDGMENTS

The author thanks Doctor F.M. Gonzáles Bermúdez and K.A. Méndez García (Ministry of Science, Technology, and Environment of the Republic of Cuba, CITMA) for institutional assistance and friendly support; E. Péres Lorenzo (National Museum of Natural History of Cuba), N.V. Zelenkov, A.K. Agadjanyan (PIN), and the entire staff of JRCPE for the participation in the expedition in 2019; and A.V. Pakhnevich and R.A. Rakitov (PIN) for technical support with tomography and SEM-images.

Funding

The study was carried out as part of the work of the Joint Russian–Cuban Paleontological Expedition and partially supported by the Russian Foundation for Basic Research and CITMA, project no. 18-54-34004 “Late Quaternary Vertebrates of Cuba: Relictual Faunas on the Eve of the Holocene Extinction.”

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  1. Borissiak Paleontological Institute, Russian Academy of Sciences, 117647, Moscow, Russia

    A. V. Lopatin

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  1. A. V. Lopatin
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Correspondence to A. V. Lopatin.

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The study does not contain any research involving animals or humans.

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The author declares no conflict of interest.

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Translated by E. Kuznetsova

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Lopatin, A.V. Dental Replacement in Nesophontidae (Lipotyphla, Mammalia) from the Pleistocene of Cuba. Dokl Biol Sci 497, 45–50 (2021). https://doi.org/10.1134/S001249662102006X

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  • DOI: https://doi.org/10.1134/S001249662102006X

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