Nannotax3 - ntax_non_cocco - Chrysochromulina pachycylindra

Chrysochromulina pachycylindra


Classification: ntax_non_cocco -> Haptophytes -> Prymnesiales -> Chrysochromulinaceae -> Chrysochromulina -> affinity not established -> Chrysochromulina pachycylindra
Sister taxa: C. adriatica, C. ahrengotii, C. alifera, C. ephippium, C. pyramidosa ⟩⟨ C. cyathophora, C. megacylindra, C. microcylindra, C. pachycylindra ⟩⟨ C. apheles, C. discophora, C. elegans, C. lanceolata, C. latilepis, C. novae-zelandiae, C. orbiculata, C. pelagica, C. pontica, C. pseudolanceolata, C. quadrikonta, C. tenuispina, C. tenuisquama, C. vexillifera ⟩⟨ C. breviturrita, C. inornamenta, C. laurentiana

Taxonomy:

Citation: Chrysochromulina pachycylindra Manton et al. 1981
Rank: Species
Basionym: Chrysochromulina pachycylindra Manton et al. 1981

Catalog entries: Chrysochromulina pachycylindra

Original description: Protoplast globose, ca. 8 µm diam. containing two plastids; flagellar length uncertain but not less than 20 µm with a haptonema shorter but able to coil. Scales dimorphic: cylinders on the outer scales up to 16 µm long x 0.5-0.7 µm wide, breaking readily transversely, thin-walled, slightly widened basally and each attached inframarginally to a flat, rimmed, base-plate; plate-scales of the underlayer very numerous, circular in outline, ca. 0.6-1.0 µm diam. but with a few smaller ovals, all rimmed, with an additional infra-marginal ridge conspicuously raised on the distal face and visible through the scale on the proximal face. Patterning on plate-scales and the base-plates of cylinders otherwise similar, consisting of radial ridges arranged in quadrants round a cruciform central thickening, visible from both surfaces but the distal surface of the rim apparently patternless.

Type images:


Morphology:


Size:


Ecology & Biogeography


Biology & life-cycles

Phylogenetic relations

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:

Manton, I., Oates, K. & Course, P. A. (1981). Cylinder-scales in marine flagellates from the genus Chrysochromulina (Haptophyceae = Prymnesiophyceae) with a description of C. pachycylindra sp. nov. Journal of the Marine Biological Association of the United Kingdom. 61: 17-26. gs


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Chrysochromulina pachycylindra compiled by Jeremy R. Young viewed: 6-12-2022

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