Chrysochromulina novae-zelandiae

Original description: Solitary cells, c. 7 µm in diameter as seen in a whole mount (Fig. 13) with two flagella c. 25 µm long, and a coiling haptonema of unknown length (Fig. 14). The cell covered by a periplast of scales, of which two types are very numerous (Figs 16, 18). One (apparently forming an under-layer) is oval, and measures 0.48-0.52 x 0.33-0.37 µm. A system of radiating ridges visible on both surfaces, extending from a rectangular patternless centre. One surface — probably the dorsal side — with a patternless rim.
The second scale type which occurs in large numbers, is circular to oval (Fig. 16), almost certainly forming an upper layer. The scales are smaller than the "under-layer" scales, measuring 0.29-0.38 µm in diameter. A patternless (probably dorsal) rim is present, and radiating lines, distinct on the rim-less side, on the other side are less distinct and visible only in the peripheral part of the scale.
Scales with triangular bases are present in small numbers (Fig. 15), measuring c. 0.37 µm in diameter, apparently with a small spine in each corner.

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 novae-zelandiae 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=20104 Go to Archive.is to create a permanent copy of this page - citation notes

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