Maastrichtian, Late Cretaceous [details]
Late Cretaceous [details]
Referred to Sogdiaster by Egorov (1972: 59) [details]
Referred to Catopygus by Egorov (1972: 59) [details]
Referred to Pygorhynchus by Egorov (1972: 59) [details]
Referred to Parahemiaster [a nomen nudum] by Egorov (1972: 60) [details]
Tadzhikistan [details]
no specimen numbers provided in original publication, repository unknown [details]