Helicosphaera inversa

Description

  • sketch Hinv
    Citation: 
    Helicosphaera inversa (Gartner, 1980) Theodoridis, 1984 [Helicopontosphaera]

    Description: Like H. carteri but with large pores separated by prominent conjunct sub-horizontal bar usually with inverse orientation.

    Remarks:

    Range: NN19 to 21 (LAD low in NN21). 

Images

  • sketch Hinv
  • 1-8inversa.JPG
  • inversa_Theod84.jpg
Scratchpads developed and conceived by: Vince Smith, Simon Rycroft & Dave Roberts