Neochiastozygus kallanxhiae
Set number: 1934
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Holotype
Set number: 1933
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Neochiastozygus kallanxhiae Varol, 2025a
A species of Neochiastozygus characterised by a symmetrical diagonal crossbar spanning the wide central area, with two sigmoid arms creating an H-shaped structure.
In honour of Dr. M. Kallanxhi, geological engineer, Geological Survey of Albania, in recognition of her contributions to taxonomy and biostratigraphy of calcareous nannofossils.
Length = 7.82 μm; Width = 5.29 μm (both measured in XPL).
Optical Properties: The narrow outer wall remains in constant extinction, while the inner wall exhibits first-order white interference colours with dextrogyre inclination lines and length-fast (−) elongation on the distal side. The crossbar appears dimmer in this orientation, with its arms exhibiting length-slow (+) elongation.
Varol, O. 2025a. A practical guide to optical studies of calcareous nannofossils. Grzybowski Foundation Special Publication. 29: 1-222
Holotype
Neochiastozygus kallanxhiae
Varol, 2025a
Late Paleocene
DSDP Leg 36, Site 327A, The Maurice Ewing Bank, Falkland Plateau