Home

Coronocyclus nitescens

Thu, 11/10/2007 - 15:20 — Jeremy Young

Coronocyclus nitescens (Kamptner, 1963) Bramlette and Wilcoxon, 1967 [Umbilicosphaera]

Description: Ring-shaped coccoliths with open central-area. No clear shield development, spines on distal side. Strongly birefringent.

Remarks:

Range: Palaeogene to NN6.

Original description:

Cat060395 copy.jpgCat060396 copy.jpg

5-13nitescens.JPG 5-12nitescens.JPG 5-11nitescens.JPG 5-14nitescens_elliptical.JPG 5-15nitescens_elliptical.JPG
Coronocyclus nitescens Coronocylus nitescens - side view      
Cornit267-27NN2.JPG Cornit267-24NN2.JPG Cornit265-15NN5.JPG Cornit265-25NN5.JPG Cornit267-16NN2.JPG

 

 

Synonyms:

  • Coronocyclus serratus Hay, Mohler and Wade, 1966

Variant: Elliptical forms, with narrow rims, occur in NN5-6.

Scratchpads developed and conceived by: Vince Smith, Simon Rycroft & Dave Roberts