Chiastozygus fessus

(Stover, 1966) Shafik, 1979 Jan 27, 2026

Set number: 2925

  • Chiastozygus fessus 6143 1
  • Chiastozygus fessus 6147 2
  • Chiastozygus fessus 6152 3
  • Chiastozygus fessus 6144 4
  • Chiastozygus fessus 6148 5
  • Chiastozygus fessus 6154 6
  • Chiastozygus fessus 6145 7
  • Chiastozygus fessus 6149 8
  • Chiastozygus fessus 6151 9
  • Chiastozygus fessus 6146 10
  • Chiastozygus fessus 6150 11
  • Chiastozygus fessus 6153 12
    10µm
Chiastozygus fessus, Early Maastrichtian, Mauritania, West Africa
Final Epithet
Chiastozygus fessus (Stover, 1966) Shafik, 1979
Basionym

Discolithus fessus Stover, 1966

References

Shafik, S. 1979. Validation of Chiastozygus fessus and Reinhardtites biperforatus. INA Newsletter. 1(2): C5-5.

Stover, L. E. 1966. Cretaceous coccoliths and associated nannofossils from France and the Netherlands. Micropaleontology 12(2): 133-167.

Taxonomy
Chiastozygus
Biostratigraphy
  • Phanerozoic
    • Mesozoic
      • Cretaceous
        • Late Cretaceous
          • Senonian
            • Maastrichtian
              • Late Maastrichtian
        • Early Cretaceous
          • Middle Cretaceous
            • Aptian
              • Early Aptian
Stratigraphic Range
Early Aptian - Late Maastrichtian
Age (Ma)
121.24? - 66.04?
Holotype
Chiastozygus fessus 6147 Chiastozygus fessus 6147 Chiastozygus fessus 6147

Discolithus fessus Stover, 1966

Coniacian

National Highway 327, North of Noailles, France