Cyclagelosphaera lacuna

Jul 13, 2026

Set number: 3367

  • Cyclagelosphaera lacuna 1587 1
  • Cyclagelosphaera lacuna 1588 2
    10µm
Cyclagelosphaera lacuna, Late Kimmeridgian, Mississippi Canyon, Gulf of Mexico
Final Epithet
Cyclagelosphaera lacuna
Basionym

Cyclagelosphaera lacuna Varol & Girgis, 1994

References

Varol, O. & Girgis, M. 1994. New taxa and taxonomy of some Jurassic to Cretaceous calcareous nannofossils. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen. 192: 221-253.

Taxonomy
Cyclagelosphaera
Biostratigraphy
  • Phanerozoic
    • Mesozoic
      • Jurassic
        • Late Jurassic
          • Malm
            • Tithonian
              • Late Tithonian
        • Middle Jurassic
          • Dogger
            • Bajocian
              • Late Bajocian
Stratigraphic Range
Late Bajocian - Late Tithonian
Age (Ma)
169.74? - 143.10?
Holotype
Cyclagelosphaera lacuna 1587

Cyclagelosphaera lacuna Varol & Girgis, 1994

Early Kimmeridgian

Kimmeridge Bay, Dorset, Britain