Family: Asaphidae BURMEISTER 1843
Genus: Genus Subasaphus BALASHOVA 1976
Subasaphus spinifer (IVANTSOV 2000)
Age: Middle Ordovician
Locality: Vilpovitsy quarry, St.Petersburg region, Russia
Family: Asaphidae BURMEISTER 1843
Genus: Genus Subasaphus BALASHOVA 1976
Subasaphus spinifer (IVANTSOV 2000)
Age: Middle Ordovician
Locality: Vilpovitsy quarry, St.Petersburg region, Russia
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