A shelled amoeba I discovered nearly eleven years ago finally has a name! Meet Arcella prismatica Taylor, Strueder-Kypke & Siemensma, 2025.
So far, this pretty morphotype has only been found at two sites, a brown-water lake in Ottawa’s Mer Bleue Bog, and a roadside mire in the Cree Nation of Chisasibi, on the Quebec coast of James Bay.
Our paper will spend 2025 behind a paywall (after which access will be free). In the meantime, a good description of the critter is available on Ferry Siemensma’s site. And here’s some video:
