Gymnolaemata - Cheilostomata - Metrarabdotosidae
Parent taxon: Lepralielloidea according to D. P. Gordon 2012
See also Bock 2006 and Pouyet 2000
Sister taxa: Bryocryptellidae, Cheilhorneropsidae, Dhondtiscidae, Eoporella, Hincksiporidae, Jaculinidae, Lepraliellidae, Romancheinidae, Sclerodomidae, Sfeniellidae, Tessaradomidae, Umbonulidae
Subtaxa: Aequilimuna Metrarabdotos Polirhabdotos
Type: Metrarabdotos
Ecology: stationary epifaunal suspension feeder
Distribution:
• Quaternary of Antarctica (4 collections), Costa Rica (1), Greece (1), Panama (1)
• Pliocene of Greece (1), Jamaica (1), Spain (2), the United Kingdom (1)
• Miocene of Brazil (1), Czechia (12), France (1), Panama (1), Romania (1), Spain (3)
• Oligocene of United States (6: Alabama, Mississippi)
Total: 37 collections each including a single occurrence