ArticleScientific reports2021
Giant Mesozoic coelacanths (Osteichthyes, Actinistia) reveal high body size disparity decoupled from taxic diversity.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed.
- Genomic Distortion of Jawed Vertebrate Phylogeny.bioRxiv : the preprint server for biology · 2026Article
- Composition and paleoecology of the mid-Jurassic bony fish assemblage of the Vaches Noires cliffs (Normandy, France).PloS one · 2026Article
- A new coelacanth (Actinistia, Sarcopterygii) from the Early Triassic of Anhui, China.Scientific reports · 2025Article
- A deep dive into the coelacanth phylogeny.PloS one · 2025Article
- A Late Devonian coelacanth reconfigures actinistian phylogeny, disparity, and evolutionary dynamics.Nature communications · 2024Article
- Reconstructing an ancient fish: Three-dimensional skeletal restoration of the head of Mawsonia (Sarcopterygii, Actinistia) using CT scan, and an adjusted model for body size estimation in fossil coelacanths.Journal of anatomy · 2024Article
- Divergent vertebral formulae shape the evolution of axial complexity in mammals.Nature ecology & evolution · 2023Article
- The first Jurassic coelacanth from Switzerland.Swiss journal of palaeontology · 2022Article
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4 authors.
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Abstract
The positive correlation between speciation rates and morphological evolution expressed by body size is a macroevolutionary trait of vertebrates. Although taxic diversification and morphological evolution are slow in coelacanths, their fossil record indicates that large and small species coexisted, which calls into question the link between morphological and body size disparities. Here, we describe and reassess fossils of giant coelacanths. Two genera reached up to 5 m long, placing them among the ten largest bony fish that ever lived. The disparity in body size adjusted to taxic diversity is much greater in coelacanths than in ray-finned fishes. Previous studies have shown that rates of speciation and rates of morphological evolution are overall low in this group, and our results indicate that these parameters are decoupled from the disparity in body size in coelacanths. Genomic and physiological characteristics of the extant Latimeria may reflect how the extinct relatives grew to such a large size. These characteristics highlight new evolutionary traits specific to these "living fossils".
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