Family Mermithidae Braun 1883 (roundworm)
Enoplea - Mermithida - Mermithidae
Parent taxon: Mermithoidea according to G. O. Poinar 2011
See also Poinar 2000
Sister taxon: Tetradonematidae
Subtaxa: Cretacimermis Heydenius Heydonius Mermis
Type: Mermis
Distribution:
• Pliocene of Germany (1 collection)
• Miocene of the Dominican Republic (2)
• Oligocene of Germany (1)
• Eocene of Denmark (1), Poland (1), the Russian Federation (4)
• Cretaceous of Lebanon (1), Myanmar (6)
Total: 17 collections including 43 occurrences