Pugnriidae
Pugnriidae is a taxonomic family name used in zoological classifications. The circumscription of the group has varied across authors and time. In some classifications, Pugnriidae is treated as a distinct family comprising several genera; in others, it is treated as a junior synonym of a closely related family or as a subfamily. Because of these differences, the exact number of genera and species assigned to Pugnriidae is not fixed and may differ among taxonomic databases.
Members historically assigned to Pugnriidae have been described as small to medium-sized invertebrates with diverse body
Ecology and life history: Across different uses of the name, species described as Pugnriidae have occupied
Fossil record and evolution: The fossil record attributed to Pugnriidae is limited and often relies on genera