Nannotax3 - ntax_non_cocco - Chrysochromulina leadbeateri

Chrysochromulina leadbeateri


Classification: ntax_non_cocco -> Haptophytes -> Prymnesiales -> Chrysochromulinaceae -> Chrysochromulina -> definite Chrysochromulina -> Chrysochromulina leadbeateri
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

Taxonomy:

Citation: Chrysochromulina leadbeateri Estep et al. 1984
Rank: Species
Basionym: Chrysochromulina leadbeateri Estep et al. 1984

Catalog entries: Chrysochromulina leadbeateri

Original description: Chloroplast containing cells, 1.5-4.0 um in diameter when dried, possibly up to twice as large when living, with two slightly subequal flagella, ca. 11 um and 13 um long Haptonema longer than flagella and in 8 to 18 coils in dried specimens. Body scales of two types, both of which are 0.2-0.4 um in diameter, with a cruciform central pattern surrounded by a 0.03 um diameter central ring One scale type circular with an additional raised ring near the periphery and a radial pattern of 25-30 lines on one face and a similar pattern without the raised ring on the other. The other scale type with a slightly raised angular rim, probably cup shaped, with little or no pattern other than the circuform center and central ring. 

Type images:


Morphology:

Cell spherical; Flagella equal-slightly unequal, haptonema similar length; Scales plate-like (2 types) with radial ribs and concentric rings, central open ring with cross; Pyrenoids immersed, traversed by tubules (Edvardsen et al. 2011)

Size:


In culture: chrysochromulinaleadbeateri

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:

References:

Edvardsen, B., Eikrem, W., Throndsen, J., Sáez, A. G., Probert, I. & Medlin, L. K. (2011). Ribosomal DNA phylogenies and a morphological revision provide the basis for a revised taxonomy of the Prymnesiales (Haptophyta). European Journal of Phycology. 46(3): 202-228. gs V O

Estep, K. W., Davis, P. G., Hargraves, P. E. & Sieburth, J. M. (1984). Chloroplast containing microflagellates in natural populations of North Atlantic nanoplankton, their identification and distribution, including a description of five new species of Chrysochromulina (Prymnesiophyceae). Protistologica. 20: 613-634. gs V O


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

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