Coptolithus fasciata

(Wind & Cepek, 1979) Varol, n. comb. Jun 07, 2026
Final Epithet
Coptolithus fasciata (Wind & Cepek, 1979) Varol, n. comb.
Basionym

Watznaueria fasciata Wind & Cepek, 1979

Synonyms

Ellipsagelosphaera fasciata (Wind & Cepek, 1979) Perch-Nielsen, 1984

Description

Elliptical placoliths with single-tiered distal and proximal shields and a narrow double-tube cycle. The central area is bridged by four to six transverse bars.

Optical Properties

Under cross-polarised light in plan view, the shields and tube cycles are characterised by white interference colours, inclined extinction lines, and length-fast (–) elongation.

References

Wind, F. H. & Cepek, P. 1979. Lower Cretaceous calcareous nannoplankton from DSDP Hole 397A (northwest African Margin). Initial Reports of the Deep Sea Drilling Project. 47A: 221-235.

Taxonomy
Coptolithus
Biostratigraphy
  • Phanerozoic
    • Mesozoic
      • Cretaceous
        • Early Cretaceous
          • Neocomian
            • Berriasian
              • Early Berriasian
          • Gallic
            • Aptian
              • Late Aptian
Stratigraphic Range
Early Berriasian - Late Aptian
Age (Ma)
143.10? - 113.20?
Holotype
W fasciata

Watznaueria fasciata Wind & Cepek, 1979

Hauterivian

DSDP Leg 47, Site 397A, Contitental Slope off Cape Bojador, Spanish Sahara