†family Parahughmilleriidae Lamsdell 2025 (eurypterid)
Eurypterida - Parahughmilleriidae
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: Adelophthalmoidea according to J. C. Lamsdell 2025
Sister taxa: Adelophthalmidae, Nanahughmilleriidae, Pittsfordipteridae
Subtaxa: Parahughmilleria Pruemopterus
Type: Parahughmilleria
Ecology: nektobenthic carnivore
Distribution:
• Devonian of Canada (1: New Brunswick collection), China (1), Germany (3), the Russian Federation (3), the United Kingdom (1)
• Silurian of the United Kingdom (2), United States (6: New York, Pennsylvania, West Virginia)
Total: 17 collections including 20 occurrences