Commentics Leila sorry for the delayed reply. Interesting that you found it in the Arctic, my specimens are from sub-tropical waters, this does confirm the wide geographic range of Actiniscus.

]]> Mon, 02 Dec 2024 12:53:09 +0000 item_1477 I found Actiniscus pentasterias Ehrenberg in modern sample of the Bering strait at 61 48’01’’ N 176 04’11’W at 24m depth

]]> Mon, 03 Jun 2024 15:41:59 +0100 item_1419 Please see the records from Miocene to Holocene in the following article: Orr W.N. and Conley S. (1976): Siliceous dinoflagellates in the northeast Pacific rim. Micropaleontology 22/1, 92-99.

]]> Tue, 29 Oct 2019 14:39:10 +0000 item_1042 A. pentasterias that differs from your images. I'm sorry for bad scan. Unfortunately, AlgaeBase are not complete and missing lot of species, descriptions, references and their synonyms from Paratethyan and Adriatic Sea. (invalid-image)]]> Thu, 13 Aug 2015 15:21:53 +0100 item_243 A. pentasterias and these are quite typical specimens.]]> Tue, 02 Jun 2015 10:36:11 +0100 item_233 A. stella (Ehrenberg,1840)Ehrenberg, 1854, in middle Miocene i.e. Sarmatian (Croatia) and A. pentasterias from Karpatian (Austria) to Recent (Adriatic).]]> Tue, 03 Mar 2015 15:39:37 +0000 item_213 A. stella (Ehr.)Ehrenberg than A. pentasterias (Ehrenberg)Ehrenberg.]]> Tue, 03 Mar 2015 15:29:09 +0000 item_212