ArticleNature ecology & evolution2022
Snake-like limb loss in a Carboniferous amniote.
Article in Nature ecology & evolution, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Evolution of cetacean-specific conserved non-coding elements suggests their role in the limb changes during secondary aquatic adaptation.BMC biology · 2025Article
- Article
- The Phylogenetic Relationships of Major Lizard Families Using Mitochondrial Genomes and Selection Pressure Analyses in Anguimorpha.International journal of molecular sciences · 2024Article
- A new recumbirostran 'microsaur' from the lower Permian Bromacker locality, Thuringia, Germany, and its fossorial adaptations.Scientific reports · 2024Article
- Developmental regulation of conserved non-coding element evolution provides insights into limb loss in squamates.Science China. Life sciences · 2023Article
- A new Carboniferous edaphosaurid and the origin of herbivory in mammal forerunners.Scientific reports · 2023Article
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Authors and funding
3 authors.
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Abstract
Among living tetrapods, many lineages have converged on a snake-like body plan, where extreme axial elongation is accompanied by reduction or loss of paired limbs. However, when and how this adaptive body plan first evolved in amniotes remains poorly understood. Here, we provide insights into this question by reporting on a new taxon of molgophid recumbirostran, Nagini mazonense gen. et sp. nov., from the Francis Creek Shale (309-307 million years ago) of Illinois, United States, that exhibits extreme axial elongation and corresponding limb reduction. The molgophid lacks entirely the forelimb and pectoral girdle, thus representing the earliest occurrence of complete loss of a limb in a taxon recovered phylogenetically within amniotes. This forelimb-first limb reduction is consistent with the pattern of limb reduction that is seen in modern snakes and contrasts with the hindlimb-first reduction process found in many other tetrapod groups. Our findings suggest that a snake-like limb-reduction mechanism may be operating more broadly across the amniote tree.
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