ArticleCommunications biology2024
Avialan-like brain morphology in Sinovenator (Troodontidae, Theropoda).
Article in Communications biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- A new megaraptoran dinosaur from the Lower Cretaceous Wessex Formation, UK, and its implications for theropod evolution and biogeography.Royal Society open science · 2026Article
- Inner Ear Anatomy of Caenagnathidae (Theropoda: Oviraptorosauria) Emphasizes Mosaic Evolution of the Avian Neurosensory System.The Journal of comparative neurology · 2026Article
- Article
- Whence the birds: 200 years of dinosaurs, avian antecedents.Biology letters · 2025Review
- Dinosaur teeth from the Lower Cretaceous Jiufotang Formation of western Liaoning, China.PeerJ · 2025Article
- Dinosaur palaeoneurology: an evolving science.Biology letters · 2024Review
- Article
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7 authors.
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Abstract
Many modifications to the skull and brain anatomy occurred along the lineage encompassing non-avialan theropod dinosaurs and modern birds. Anatomical changes to the endocranium include an enlarged endocranial cavity, relatively larger optic lobes that imply elevated visual acuity, and proportionately smaller olfactory bulbs that suggest reduced olfactory capacity. Here, we use micro-computed tomographic (μCT) imaging to reconstruct the endocranium and its neuroanatomical features from an exceptionally well-preserved skull of Sinovenator changii (Troodontidae, Theropoda). While its overall morphology resembles the typical endocranium of other troodontids, Sinovenator also exhibits unique endocranial features that are similar to other paravian taxa and non-maniraptoran theropods. Landmark-based geometric morphometric analysis on endocranial shape of non-avialan and avialan dinosaurs points to the overall brain morphology of Sinovenator most closely resembling that of Archaeopteryx, thus indicating acquisition of avialan-grade brain morphology in troodontids and wide existence of such architecture in Maniraptora.
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