†family Ladogiidae Ljaschenko 1973 (brachiopod)
Rhynchonellata - Rhynchonellida - Ladogiidae
Parent taxon: Pugnacoidea according to A. Williams et al. 2002
Sister taxa: Aseptorhynchiidae, Basiliolidae, Camerophorinidae, Erymnariidae, Paranorellidae, Petasmariidae, Plectorhynchellidae, Pseudocapillirhynchia, Pugnacidae, Pygmaellidae, Rozmanariidae, Yunnanellidae
Subtaxa: Camarothyridina Comiotoechia Gracilotoechia Ladogia Ladogifornix Ladogilina Semiotoechia Xinshaoella
Type: Ladogia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Devonian of Afghanistan (2 collections), Czechia (1), France (2), Germany (1), Iran (2), the Russian Federation (3), Tajikistan (1)
Total: 12 collections each including a single occurrence