Nannotax3 - ntax_non_cocco - Chrysochromulina cymbium

Chrysochromulina cymbium

Classification: ntax_non_cocco -> Haptophytes -> Prymnesiales -> Chrysochromulinaceae -> Chrysochromulina -> definite Chrysochromulina -> Chrysochromulina cymbium
Sister taxa: C. acantha, C. andersonii, C. camella, C. campanulifera, C. cymbium, C. leadbeateri, C. parva, C. rotalis, C. scutellum, C. simplex, C. strobilus, C. throndsenii


Citation: Chrysochromulina cymbium Leadbeater and Manton 1969
Rank: Species
Basionym: Chrysochromulina cymbium Leadbeater and Manton 1969

Catalog entries: Chrysochromulina cymbium

Original description: Cells usually saddle shaped resembling those of C. strobilus but smaller, measuring approximately 7 µm in length and width. Two flagella c. 20 µm long. The haptonema, approximately 60 µm in length, coiled into a helix of 20-30 gyres when retracted; containing 6 microtubules internally. Scales smaller than those of C. strobilus. The cup scales, c. 0.1 µm wide - 0.15 µm deep, imperforate, with slightly oblique longitudinal striations of two different thicknesses radiating from the centre. Plate scales, c. 0.25 µm long - 0.2 µm wide similarly striated but with a row of marginal perforations.

Type images:


Cell saddle shaped; Flagella equal, haptonema much longer; Scales plate-like & cup-shaped with radial pattern on both faces; Pyrenoids immersed (Edvardsen et al. 2011)


Geological Range:
Last occurrence (top): Extant. Data source:
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in "Holocene" stage). Data source:


Leadbeater, B. S. C. & Manton, I. (1969a). Chrysochromulina camella sp. nov. and C. cymbium sp. nov., two new relatives of C. strobilus Parke and Manton. Archiv für Mikrobiologie. 68: 116-132. gs

Parke, M., Manton, I. & Clarke, B. (1959). Studies on marine flagellates. V. Morphology and microanatomy of Chrysochromulina strobilus sp. nov. Journal of the Marine Biological Association of the United Kingdom. 38: 169-188. gs


Chrysochromulina cymbium compiled by Jeremy R. Young viewed: 27-9-2022

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