Fig. 4. Meristorygma donakovae Poletaev, 2018 in New and revised taxa of Carboniferous spiriferides (Brachiopoda, Spiriferida) from the Donets Basin (Ukraine) and South Urals (Russia)

Fig. 4. Meristorygma donakovae Poletaev, 2018 from South Urals (Russia). Mississippian. Holotype CNIGR Museum 12065/8 (Donakova 1983 Coll.) from Magnitogorsk District; ventral, dorsal, lateral and anterior views (copy from Poletaev 2018: pl. 112 fig. 3). Scale bar units = 1 mm.