Chrysochromulina latilepis

Original description: Protoplast ovoid to spheroidal, c. 6 x 9 μm, with somewhat unequal flagella, the longer up to 20 μm and the shorter up to 50% less; the haptonema long, coiling when retracted into a helix of not less than 20 gyres c. 1 μm diam. Periplast dimorphic, the outer layer composed of large, c. 3 x 2.5 μm, flat, very thin oval plates, each with a threadlike marginal thickening projecting slightly from the distal face and with a delicately woven surface-patterning dominated by radial ridges arranged in quadrants on the proximal face, but radial ridges on the distal face overlaid by irregular tangential threads partly concealed by amorphousmaterial, especially towards the scale centre. A few, slightly larger but similarly patterned and equally thin, plate-scales acting as base-plates of slender, tapered, spines not more than 6 μm long, each spine subtended at the base by four, equally spaced, thin struts, adnate to the plate surface and extending to the edge. The inner periplast composed of small, 0.7 x 0.5 μm, oval plates, each conspicuously patterned with radial ridges on the proximal face and irregular threads on the distal face; a broad rope-like, erect rim loosely constructed from tangential threads present on the edge of thisface.

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:

• Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
• Triangles indicate an event for which a precise placement has been suggested.
• (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: affinity not established

Chrysochromulina latilepis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 21-7-2026 Taxon Search: Advanced Search Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=20097 Go to Archive.is to create a permanent copy of this page - citation notes

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