Registration Id: http://phycobank.org/4680
Event: new name, new nomenclatural type
Pliocaenicus costatus var. leprindus in Diatom Res. 13: 54. May 1998
Holotype: Institute of Geological Sciences, Petropavlovsk, Kamchatcka, Russia. Slide no. 2989
is replaced synonym for Cyclostephanos costatus var. sibiricus
Registration on 1998-10-22 22:00:00 +0200 in Berlin