†subfamily Xiphiorhynchinae Regan 1909
Osteichthyes - Istiophoriformes - Xiphiidae
Alternative spelling: Xiphiorhynchidae
Parent taxon: Xiphiidae according to W. N. McCuen et al. 2020
See also Fierstine 2006, Fierstine and Starnes 2005, Fierstine and Stringer 2007, Jordan 1963 and Schultz 1987
Sister taxa: Embalorhynchus, Glyptorhynchus, Xiphiinae
Subtaxa: Thalattorhynchus Xiphiorhynchus
Distribution:
• Miocene of Algeria (2 collections), Austria (1), Peru (1)
• Oligocene of United States (3: Alabama, South Carolina)
• Eocene of Antarctica (1), the United Kingdom (3), United States (3: Louisiana, Mississippi, North Carolina)
Total: 14 collections including 17 occurrences