†family Pittsfordipteridae Lamsdell 2025 (eurypterid)
Eurypterida - Pittsfordipteridae
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, Parahughmilleriidae
Subtaxa: Archopterus Bassipterus Pittsfordipterus
Ecology: nektobenthic carnivore
Distribution:
• Silurian of United States (3: Maryland, New York, West Virginia collections)
Total: 3 collections each including a single occurrence