Helicosphaeroides seminulum

(Bramlette & Sullivan, 1961) Aubry, Liu, de Vargas, & Probert in Aubry & Bord, 2009 Sept 10, 2020

Set number: 1245

  • Helicosphaera seminulum VR 03072 1
  • Helicosphaera seminulum VR 03071 2
  • Helicosphaera seminulum VR 03075 3
  • Helicosphaera seminulum VR 03081 4
  • Helicosphaera seminulum VR 03073 5
  • Helicosphaera seminulum VR 03070 6
  • Helicosphaera seminulum VR 03074 7
  • Helicosphaera seminulum VR 03076 8
  • Helicosphaera seminulum VR 03079 9
  • Helicosphaera seminulum VR 03080 10
  • Helicosphaera seminulum VR 03078 11
  • Helicosphaera seminulum VR 03077 12
    10µm
Helicosphaeroides seminulum, Middle Eocene, DSDP Leg 39, Sites 356, Sào Paulo Plateau, South Atlantic Ocean

Set number: 1244

  • Helicosphaera seminulum VR 02718 1
  • Helicosphaera seminulum VR 02719 2
  • Helicosphaera seminulum VR 02722 3
  • Helicosphaera seminulum VR 02728 4
  • Helicosphaera seminulum VR 02717 5
  • Helicosphaera seminulum VR 02720 6
  • Helicosphaera seminulum VR 02721 7
  • Helicosphaera seminulum VR 02724 8
  • Helicosphaera seminulum VR 02727 9
  • Helicosphaera seminulum VR 02729 10
  • Helicosphaera seminulum VR 02726 11
  • Helicosphaera seminulum VR 02723 12
    10µm
Helicosphaeroides seminulum, Middle Eocene, DSDP Leg 39, Sites 356, Sào Paulo Plateau, South Atlantic Ocean

Set number: 4418

  • Helicosphaeroides seminulum 25848 1
  • Helicosphaeroides seminulum 25852 2
  • Helicosphaeroides seminulum 25853 3
  • Helicosphaeroides seminulum 25857 4
  • Helicosphaeroides seminulum 25847 5
  • Helicosphaeroides seminulum 25851 6
  • Helicosphaeroides seminulum 25854 7
  • Helicosphaeroides seminulum 25855 8
    10µm
Helicosphaeroides seminulum, Middle Eocene, ODP Leg 171B, Site 1051A, Black Nose, Western North Atlantic

Set number: 4506

  • Helicosphaera seminulum 49131 1
  • Helicosphaera seminulum 49133 2
  • Helicosphaera seminulum 49135 3
  • Helicosphaera seminulum 49140 4
  • Helicosphaera seminulum 49132 5
  • Helicosphaera seminulum 49134 6
  • Helicosphaera seminulum 49136 7
  • Helicosphaera seminulum 49139 8
    10µm
Helicosphaeroides seminulum, Early Eocene, Santos Basin, Brazil

Set number: 320

  • Helicosphaera seminulum 1989 1
  • Helicosphaera seminulum 1990 2
    10µm
Helicosphaeroides seminulum, Middle Eocene, Arabian Peninsula (The specific location cannot be disclosed)
Final Epithet
Helicosphaeroides seminulum (Bramlette & Sullivan, 1961) Aubry, Liu, de Vargas, & Probert in Aubry & Bord, 2009
Basionym

Helicosphaera seminulum seminulum Bramlette & Sullivan, 1961

References

Bramlette, M. N. & Sullivan, F. R. 1961. Coccolithophorids and related nannoplankton of the Early Tertiary in California. Micropaleontology 7(2): 129-188.

Aubry, M. -P. & Bord, D. 2009. Reshuffling the cards in the photic zone at the Eocene/Oligocene boundary. In: Koeberl, C., Montanari, A. (eds), The Late Eocene Earth-Hothouse, Icehouse, and Impacts. Geological Society of America, Special Papers 452: 279-301.

Taxonomy
Helicosphaeroides
Uncategorised
Biostratigraphy
  • Phanerozoic
    • Cenozoic
      • Paleogene
        • Eocene
          • Late Eocene
          • Middle Eocene
            • Bartonian
          • Early Eocene
            • Ypresian
Stratigraphic Range
Ypresian - Bartonian
Age (Ma)
52.20 - 40.60
Holotype
Helicosphaera seminulum 1989

Helicosphaera seminulum seminulum Bramlette & Sullivan, 1961

Early Eocene

Lodo section, northwestern Fresno County, central California, USA