'''''Karlodinium armiger''''' er en art af [[dinoflagellater]], der tilhører familien [[Kareniaceae]].<ref name="Algaebase">{{cite web |title=Karlodinium armiger Bergholtz, Daugbjerg & Moestrup 2006 :: Algaebase |url=https://www.algaebase.org/search/species/detail/?species_id=129194 |website=www.algaebase.org |access-date=24. januar 2021}}</ref> Det blev først isoleret fra [[Middelhavet]] og beskrevet i 2006.<ref name="Bergholtz2006">{{cite journal | last1=Bergholtz | first1=Trine | last2=Daugbjerg | first2=Niels | last3=Moestrup | first3=Ojvind | last4=Fernandez-Tejedor | first4=Margarita | title=On the Identity of Karlodinium Veneficum and Description of ''Karlodinium armiger'' sp. nov. (Dinophyceae), Based on Light and Electron Microscopy, Nuclear-Encoded Lsu Rdna, and Pigment Composition1 | journal=Journal of Phycology | publisher=Wiley | volume=42 | issue=1 | year=2006 | issn=0022-3646 | doi=10.1111/j.1529-8817.2006.00172.x | pages=170–193| s2cid=53620395 }}</ref><ref name="Garcés2006">{{cite journal | last1=Garcés | first1=Esther | last2=Fernandez | first2=Margarita | last3=Penna | first3=Antonella | last4=Van Lenning | first4=Kees | last5=Gutierrez | first5=Andrés | last6=Camp | first6=Jordi | last7=Zapata | first7=Manuel | title=Characterization of Nw Mediterranean Karlodinium SPP. (Dinophyceae) Strains Using Morphological, Molecular, Chemical, and Physiological Methodologies | journal=Journal of Phycology | publisher=Wiley | volume=42 | issue=5 | year=2006 | issn=0022-3646 | doi=10.1111/j.1529-8817.2006.00270.x | pages=1096–1112| hdl=11576/1884792 | s2cid=84085728 }}</ref> Den er fx fundet ved den spanske østkyst og også ud for Helsingør.<ref name="videnskab"/>
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