Original description: The cell (Fig. 1) is spherical to ovate, 6-10 µm diameter or long. Two equal or subequal flagella, 18-24 µm long and ahaptonema 8-14 µm long is anteriorly inserted. Chromatophores usually two, parietal and lobed; pyrenoid not observed; stigma present. A large contractile vacuole is near the base of the flagella. At posterior end of the cell is a food vacuole. The cell body is covered with delicate organic scales of only one type: oval scales (Fig. 2; 0.26-0.32 µm long; 0.15-0.20 µm wide) with no sculpturing or fine concentric lines or radiating ridges; upturned rim present.
Type images:| Lith size: 0->0µm; |
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:
Plot of occurrence data:
Wujek, D. E. & Gardiner, W. E. (1985). Chrysophyceae (Mallomonadaceae) from Florida. II. New species of Paraphysomonas and the prymnesiophyte Chrysochromulina. Florida Scientist. 48: 59-63. gsReferences:

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Chrysochromulina inornamenta compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 21-7-2026
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=20095 Go to Archive.is to create a permanent copy of this page - citation notes |
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