ArticleProceedings. Biological sciences2024
Widespread convergence towards functional optimization in the lower jaws of crocodile-line archosaurs.
Article in Proceedings. Biological sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Theoretical morphospace reveals mixed optimisation of the avian wing planform for flight style.Nature communications · 2026Article
- Hummingbird and Hawkmoth Wing Shape: Analyzing Functional Convergence in Analogous Structures.Integrative and comparative biology · 2026Article
- Constraints and adaptations in crocodyliform skull evolution.Proceedings. Biological sciences · 2025Article
- Morphological constraints in hymenopteran forewings limit flight efficiency optimization.Royal Society open science · 2025Article
- Widespread convergence towards functional optimization in the lower jaws of crocodile-line archosaurs.Proceedings. Biological sciences · 2024Article
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6 authors.
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Abstract
Extant crocodilian jaws are subject to functional demands induced by feeding and hydrodynamics. However, the morphological and ecological diversity of extinct crocodile-line archosaurs is far greater than that of living crocodilians, featuring repeated convergence towards disparate ecologies including armoured herbivores, terrestrial macropredators and fully marine forms. Crocodile-line archosaurs, therefore, present a fascinating case study for morphological and functional divergence and convergence within a clade across a wide range of ecological scenarios. Here, we build performance landscapes of two-dimensional theoretical jaw shapes to investigate the influence of strength, speed and hydrodynamics in the morphological evolution of crocodile-line archosaur jaws, and test whether ecologically convergent lineages evolved similarly optimal jaw function. Most of the 243 sampled jaw morphologies occupy optimized regions of theoretical morphospace for either rotational efficiency, resistance to Von Mises stress, hydrodynamic efficiency or a trade-off between multiple functions, though some seemingly viable shapes remain unrealized. Jaw speed is optimized only in a narrow region of morphospace whereas many shapes possess optimal jaw strength, which may act as a minimum boundary rather than a strong driver for most taxa. This study highlights the usefulness of theoretical morphology in assessing functional optimality, and for investigating form-function relationships in diverse clades.
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