Heterocapsa circularisquama

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Heterocapsa circularisquama
Scientific classification
Domain:
Eukaryota
(unranked):
(unranked):
Alveolata
Phylum:
Class:
Order:
Family:
Genus:
Species:
H. circularisquama
Binomial name
Heterocapsa circularisquama
Horiguchi 1995

Heterocapsa circularisquama is a species of dinoflagellates notable for the production of a biotoxin affecting marine fauna.[1][2] It is known to produce large red tides off western Japan, causing high bivalve mortality, particularly pearl oysters. It is very similar to , however H. circularisquama carries six radiating ridges on its circular basal plate, and its scales have longer spines, among other subtle differences in morphology.

Description[]

Its cell is small and consists of a conical epitheca. The chloroplast is single and is connected to the unique pyrenoid. Its nucleus is elongated, located in the left side of the cell.[1]

References[]

  1. ^ a b Horiguchi, Takeo (1995). "Heterocapsa circularisquama sp. nov. (Peridiniales, Dinophyceae): A new marine dinoflagellate causing mass mortality of bivalves in Japan". Phycological Research. 43 (3): 129–136. doi:10.1111/j.1440-1835.1995.tb00016.x. ISSN 1322-0829.
  2. ^ Sato, Y (2002). "Photosensitizing hemolytic toxin in Heterocapsa circularisquama, a newly identified harmful red tide dinoflagellate". Aquatic Toxicology. 56 (3): 191–196. doi:10.1016/S0166-445X(01)00191-6. ISSN 0166-445X.

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