An Italian dinosaur Lagerstätte reveals the tempo and mode of hadrosauriform body size evolution

Abstract During the latest Cretaceous, the European Archipelago was characterized by highly fragmented landmasses hosting putative dwarfed, insular dinosaurs, claimed as fossil evidence of the “island rule”. The Villaggio del Pescatore quarry (north-eastern Italy) stands as the most informative loca...

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Autores principales:	Alfio Alessandro Chiarenza, Matteo Fabbri, Lorenzo Consorti, Marco Muscioni, David C. Evans, Juan L. Cantalapiedra, Federico Fanti
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/36c9a61a47d744a88cc46eaaf89419f9
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spelling	oai:doaj.org-article:36c9a61a47d744a88cc46eaaf89419f92021-12-05T12:16:14ZAn Italian dinosaur Lagerstätte reveals the tempo and mode of hadrosauriform body size evolution10.1038/s41598-021-02490-x2045-2322https://doaj.org/article/36c9a61a47d744a88cc46eaaf89419f92021-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-02490-xhttps://doaj.org/toc/2045-2322Abstract During the latest Cretaceous, the European Archipelago was characterized by highly fragmented landmasses hosting putative dwarfed, insular dinosaurs, claimed as fossil evidence of the “island rule”. The Villaggio del Pescatore quarry (north-eastern Italy) stands as the most informative locality within the palaeo-Mediterranean region and represents the first, multi-individual Konservat-Lagerstätte type dinosaur-bearing locality in Italy. The site is here critically re-evaluated as early Campanian in age, thus preceding the final fragmentation stages of the European Archipelago, including all other European localities preserving hypothesized dwarfed taxa. New skeletal remains allowed osteohistological analyses on the hadrosauroid Tethyshadros insularis indicating subadult features in the type specimen whereas a second, herein newly described, larger individual is likely somatically mature. A phylogenetic comparative framework places the body-size of T. insularis in range with other non-hadrosaurid Eurasian hadrosauroids, rejecting any significant evolutionary trend towards miniaturisation in this clade, confuting its ‘pygmy’ status, and providing unmatched data to infer environmentally-driven body-size trends in Mesozoic dinosaurs.Alfio Alessandro ChiarenzaMatteo FabbriLorenzo ConsortiMarco MuscioniDavid C. EvansJuan L. CantalapiedraFederico FantiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-15 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Alfio Alessandro Chiarenza Matteo Fabbri Lorenzo Consorti Marco Muscioni David C. Evans Juan L. Cantalapiedra Federico Fanti An Italian dinosaur Lagerstätte reveals the tempo and mode of hadrosauriform body size evolution
description	Abstract During the latest Cretaceous, the European Archipelago was characterized by highly fragmented landmasses hosting putative dwarfed, insular dinosaurs, claimed as fossil evidence of the “island rule”. The Villaggio del Pescatore quarry (north-eastern Italy) stands as the most informative locality within the palaeo-Mediterranean region and represents the first, multi-individual Konservat-Lagerstätte type dinosaur-bearing locality in Italy. The site is here critically re-evaluated as early Campanian in age, thus preceding the final fragmentation stages of the European Archipelago, including all other European localities preserving hypothesized dwarfed taxa. New skeletal remains allowed osteohistological analyses on the hadrosauroid Tethyshadros insularis indicating subadult features in the type specimen whereas a second, herein newly described, larger individual is likely somatically mature. A phylogenetic comparative framework places the body-size of T. insularis in range with other non-hadrosaurid Eurasian hadrosauroids, rejecting any significant evolutionary trend towards miniaturisation in this clade, confuting its ‘pygmy’ status, and providing unmatched data to infer environmentally-driven body-size trends in Mesozoic dinosaurs.
format	article
author	Alfio Alessandro Chiarenza Matteo Fabbri Lorenzo Consorti Marco Muscioni David C. Evans Juan L. Cantalapiedra Federico Fanti
author_facet	Alfio Alessandro Chiarenza Matteo Fabbri Lorenzo Consorti Marco Muscioni David C. Evans Juan L. Cantalapiedra Federico Fanti
author_sort	Alfio Alessandro Chiarenza
title	An Italian dinosaur Lagerstätte reveals the tempo and mode of hadrosauriform body size evolution
title_short	An Italian dinosaur Lagerstätte reveals the tempo and mode of hadrosauriform body size evolution
title_full	An Italian dinosaur Lagerstätte reveals the tempo and mode of hadrosauriform body size evolution
title_fullStr	An Italian dinosaur Lagerstätte reveals the tempo and mode of hadrosauriform body size evolution
title_full_unstemmed	An Italian dinosaur Lagerstätte reveals the tempo and mode of hadrosauriform body size evolution
title_sort	italian dinosaur lagerstätte reveals the tempo and mode of hadrosauriform body size evolution
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/36c9a61a47d744a88cc46eaaf89419f9
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An Italian dinosaur Lagerstätte reveals the tempo and mode of hadrosauriform body size evolution

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