ArticleScientific reports2024
Evolutionary trends in the elasmobranch neurocranium.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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Who cites it
6 citing papers in PubMed.
- Evolutionary Stability of the Shark Snout: Geometric Morphometrics of Ventral Facial Openings.Annals of the New York Academy of Sciences · 2026Article
- First reported evidence of healing after a traumatic mandibular fracture with associated soft-tissue avulsion in the deep-sea sevengill shark (Heptranchias perlo).Journal of fish biology · 2026Article
- Habitat Availability, Jurassic and Cretaceous Origins of the Deep-Bodied Shark Morphotype and the Rise of Pelagic Sharks.Ecology and evolution · 2025Article
- Digital removal of dermal denticle layer using geometric AI from 3D CT scans of shark craniofacial structures enhances anatomical precision.Scientific reports · 2025Article
- The geometry of life: testing the scaling of whole-organism surface area and volume using sharks.Royal Society open science · 2025Article
- Reassessment of the possible size, form, weight, cruising speed, and growth parameters of the extinct megatooth shark,Palaeontologia electronica (Online) · 2025Article
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Authors and funding
3 authors.
Funding
Abstract
The neurocranium (braincase) is one of the defining vertebrate characters. Housing the brain and other key sensory organs, articulating with the jaws and contributing to the shape of the anteriormost portion of the body, the braincase is undoubtedly of great functional importance. Through studying relationships between braincase shape and ecology we can gain an improved understanding of form-function relationships in extant and fossil taxa. Elasmobranchii (sharks and rays) represent an important case study of vertebrate braincase diversity as their neurocranium is simplified and somewhat decoupled from other components of the cranium relative to other vertebrates. Little is known about the associations between ecology and braincase shape in this clade. In this study we report patterns of mosaic cranial evolution in Elasmobranchii that differ significantly from those present in other clades. The degree of evolutionary modularity also differs between Selachii and Batoidea. In both cases innovation in the jaw suspension appears to have driven shifts in patterns of integration and modularity, subsequently facilitating ecological diversification. Our results confirm the importance of water depth and biogeography as drivers of elasmobranch cranial diversity and indicate that skeletal articulation between the neurocranium and jaws represents a major constraint upon the evolution of braincase shape in vertebrates.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.