First issued in release COL21.5.
Last used in release COL23.9
Published in
Leven, E. Ya.,. (2009). Leven, E. Ya., 2009, Верхний карбон (пенсильваний) и пермь Западного Тетиса: фузулиниды, стратиграфия, биогеография - Upper Carboniferous (Pennsylvanian) and Permian of West Tethys: fusulinids, stratigraphy, biogeography . Rossiyskaya Akad. Nauk, Trudy Geol. lnst., 590, 1-238. (in Russian). https://www.marinespecies.org/foraminifera/aphia.php?p=sourcedetails&id=405343