†family Brachyopteridae Lamsdell 2025 (eurypterid)
Full reference: J. C. Lamsdell. 2025. Codex Eurypterida: A Revised Taxonomy Based on Concordant Parsimony and Bayesian Phylogenetic Analyses. Bulletin of the American Museum of Natural History 473:1-196
Parent taxon: Rhenopteroidea according to J. C. Lamsdell 2025
Sister taxon: Rhenopteridae
Subtaxa: Brachyopterus
Type: Brachyopterus
Ecology: nektobenthic carnivore
Distribution:
• Silurian of United States (1: New York collection)
• Ordovician of the United Kingdom (1)
Total: 2 collections each including a single occurrence