ArticleDie Naturwissenschaften2020
New record of a Mesozoic gondwanatherian mammaliaform from Southern Patagonia.
Article in Die Naturwissenschaften, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Titanosaur eggshells from the latest Cretaceous of Patagonia, Argentina: implications for nesting at high latitude.Royal Society open science · 2026Article
- A new large hypercarnivorous crocodyliform from the Maastrichtian of Southern Patagonia, Argentina.PloS one · 2025Article
- A Maastrichtian insect assemblage from Patagonia sheds light on arthropod diversity previous to the K/Pg event.Communications biology · 2023Article
- First monotreme from the Late Cretaceous of South America.Communications biology · 2023Article
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5 authors.
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Abstract
Gondwanatheria is an enigmatic mammaliaform clade distributed in the Cretaceous and Paleogene of South America, Africa, Madagascar, India and Antarctica. The Mesozoic record in South America is restricted to the Latest Cretaceous of Río Negro and Chubut provinces, Argentina and Magallanes Region of southern Chile. The aim of the present contribution is to describe a new specimen of gondwanatherian mammaliaforms from beds belonging to the Maastrichtian Chorrillo Formation, cropping out 30 km SW of El Calafate, Santa Cruz Province, Argentina. It is represented by a single molariform referable to the species Magallanodon baikashkenke with which it shares a unique combination of characters. Analysis of the unique combination of characters exhibited by Magallanodon shed doubts on the monophyly of Ferugliotheriidae and suggest that South American taxa may be closely related to each other. The wide geographical distribution and occurrence of gondwanatherians on geological units of diverse origins suggest that they were capable of facing disparate environmental conditions.
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