†unranked clade Hauffiopterygia Lomax et al. 2025 (ichthyosaur)
Reptilia - Ichthyosauria - Leptonectidae
Full reference: D. R. Lomax, J. A. Massare, and E. E. Maxwell. 2025. A new long and narrow‐snouted ichthyosaur illuminates a complex faunal turnover during an undersampled Early Jurassic (Pliensbachian) interval. Papers in Palaeontology 11(5):e70038
Parent taxon: Leptonectidae according to D. R. Lomax et al. 2025
Sister taxon: Wahlisaurus
Subtaxa: Xiphodracon
Ecology: nektonic carnivore
Distribution: found only at Bed 122c of Charmouth Mudstone Formation, Green Ammonite Member (Jurassic of the United Kingdom)