Corollithion signum

Stradner, 1963 Jan 30, 2026

Set number: 2981

  • Corollithion signum 971 1
  • Corollithion signum 972 2
    10µm
Corollithion signum, Early Cenomanian, Mississippi Canyon, Gulf of Mexico

Set number: 2982

  • Corollithion signum 1212 1
  • Corollithion signum 1213 2
    10µm
Corollithion signum, Early Coniacian, Arabian Peninsula (The specific location cannot be disclosed)
Final Epithet
Corollithion signum Stradner, 1963
Basionym

Corollithion signum Stradner, 1963

Holotype

Lectotype designated by Stradner et al., 2010

Optical Properties

The narrow outer wall remains in constant extinction, whereas the wider inner wall and the central cross exhibit white interference colours in plan view under crossed polars.

Remarks

Small, elongated hexagonal species of Corollithion characterised by a double protolith wall surrounding a central area occupied by an axial cross, with longer arms extending to the vertices and shorter arms reaching the elongated sides.

References

Stradner, H. 1963. New contributions to Mesozoic stratigraphy by means of nannofossils. Proceedings of the Sixth World Petroleum Congress. Section 1 Paper 4: 167-183.

Taxonomy
Corollithion
Biostratigraphy
  • Phanerozoic
    • Mesozoic
      • Cretaceous
        • Late Cretaceous
          • Senonian
            • Maastrichtian
              • Late Maastrichtian
        • Early Cretaceous
          • Middle Cretaceous
            • Albian
              • Late Albian
Stratigraphic Range
Late Albian - Late Maastrichtian
Age (Ma)
107.59 - 66.04
Holotype
Corollithion signum 1212 Corollithion signum 1212 Corollithion signum 1212

Corollithion signum Stradner, 1963

Late Turonian

Klafterbrunn, Austria