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First monotreme from the Late Cretaceous of South America.
Commun Biol. 2023 02 16; 6(1):146.CB

Abstract

Monotremata is a clade of egg-lying mammals, represented by the living platypus and echidnas, which is endemic to Australia, and adjacent islands. Occurrence of basal monotremes in the Early Cretaceous of Australia has led to the consensus that this clade originated on that continent, arriving later to South America. Here we report on the discovery of a Late Cretaceous monotreme from southern Argentina, demonstrating that monotremes were present in circumpolar regions by the end of the Mesozoic, and that their distinctive anatomical features were probably present in these ancient forms as well.

Authors+Show Affiliations

Laboratorio de Anatomía Comparada y Evolución de los Vertebrados, Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" (CONICET); Av. Ángel Gallardo 470, C1405DJR Ciudad Autónoma de, Buenos Aires, Argentina. nicochimento@hotmail.com.Laboratorio de Anatomía Comparada y Evolución de los Vertebrados, Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" (CONICET); Av. Ángel Gallardo 470, C1405DJR Ciudad Autónoma de, Buenos Aires, Argentina. Fundación de Historia Natural "Félix de Azara", Departamento de Ciencias Naturales y Antropología, CEBBAD - Universidad Maimónides, Hidalgo 767, C1405BDB, Buenos Aires, Argentina.National Museum of Nature and Science, 4‑1‑1 Amakubo, Tsukuba, 305‑0005, Japan.National Museum of Nature and Science, 4‑1‑1 Amakubo, Tsukuba, 305‑0005, Japan. Department of Earth and Planetary Science, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo-ku, Tokyo, 305‑0005, Japan.Museums Victoria; P. O. Box 666, Melbourne, Victoria, 3001, Australia.School of Earth, Atmosphere and Environment, Monash University, Clayton, Victoria 3800 and Department of Chemistry and Biotechnology, Swinburne University, Hawthorn, Victoria, 3122, Australia.Laboratorio de Anatomía Comparada y Evolución de los Vertebrados, Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" (CONICET); Av. Ángel Gallardo 470, C1405DJR Ciudad Autónoma de, Buenos Aires, Argentina.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

36797304

Citation

Chimento, Nicolás R., et al. "First Monotreme From the Late Cretaceous of South America." Communications Biology, vol. 6, no. 1, 2023, p. 146.
Chimento NR, Agnolín FL, Manabe M, et al. First monotreme from the Late Cretaceous of South America. Commun Biol. 2023;6(1):146.
Chimento, N. R., Agnolín, F. L., Manabe, M., Tsuihiji, T., Rich, T. H., Vickers-Rich, P., & Novas, F. E. (2023). First monotreme from the Late Cretaceous of South America. Communications Biology, 6(1), 146. https://doi.org/10.1038/s42003-023-04498-7
Chimento NR, et al. First Monotreme From the Late Cretaceous of South America. Commun Biol. 2023 02 16;6(1):146. PubMed PMID: 36797304.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - First monotreme from the Late Cretaceous of South America. AU - Chimento,Nicolás R, AU - Agnolín,Federico L, AU - Manabe,Makoto, AU - Tsuihiji,Takanobu, AU - Rich,Thomas H, AU - Vickers-Rich,Patricia, AU - Novas,Fernando E, Y1 - 2023/02/16/ PY - 2022/09/13/received PY - 2023/01/18/accepted PY - 2023/2/16/entrez PY - 2023/2/17/pubmed PY - 2023/2/22/medline SP - 146 EP - 146 JF - Communications biology JO - Commun Biol VL - 6 IS - 1 N2 - Monotremata is a clade of egg-lying mammals, represented by the living platypus and echidnas, which is endemic to Australia, and adjacent islands. Occurrence of basal monotremes in the Early Cretaceous of Australia has led to the consensus that this clade originated on that continent, arriving later to South America. Here we report on the discovery of a Late Cretaceous monotreme from southern Argentina, demonstrating that monotremes were present in circumpolar regions by the end of the Mesozoic, and that their distinctive anatomical features were probably present in these ancient forms as well. SN - 2399-3642 UR - https://www.unboundmedicine.com/medline/citation/36797304/First_monotreme_from_the_Late_Cretaceous_of_South_America_ DB - PRIME DP - Unbound Medicine ER -