Set number: 2073

  • Bowmania swastica VR 24022 1
  • Bowmania swastica VR 24016 2
  • Bowmania swastica VR 24027 3
  • Bowmania swastica VR 24020 4
  • Bowmania swastica VR 24025 5
  • Bowmania swastica VR 24017 6
  • Bowmania swastica VR 24026 7
  • Bowmania swastica VR 24021 8
  • Bowmania swastica VR 24024 9
  • Bowmania swastica VR 24028 10
  • Bowmania swastica VR 24019 11
  • Bowmania swastica VR 24005 12
  • Bowmania swastica VR 24023 13
  • Bowmania swastica VR 24029 14
  • Bowmania swastica VR 24018 15
  • Bowmania swastica VR 24006 16
  • Bowmania swastica VR 24007 17
  • Bowmania swastica VR 24008 18
  • Bowmania swastica VR 24009 19
  • Bowmania swastica VR 24010 20
  • Bowmania swastica VR 24015 21
  • Bowmania swastica VR 24014 22
  • Bowmania swastica VR 24013 23
  • Bowmania swastica VR 24012 24
    10µm
DSDP Leg 39, Sites 356, Sào Paulo Plateau, South Atlantic Ocean

Set number: 2072

  • Bowmania swastica VR 22619 1
  • Bowmania swastica VR 22627 2
  • Bowmania swastica VR 22621 3
  • Bowmania swastica VR 22623 4
  • Bowmania swastica VR 22620 5
  • Bowmania swastica VR 22628 6
  • Bowmania swastica VR 22622 7
  • Bowmania swastica VR 22624 8
  • Bowmania swastica VR 22625 9
  • Bowmania swastica VR 22626 10
    10µm
Aguablanca Creek, Colombia

In the mobile mount.

Set number: 2071

  • Bowmania swastica VR 22403 1
  • Bowmania swastica VR 22407 2
  • Bowmania swastica VR 22404 3
  • Bowmania swastica VR 22409 4
  • Bowmania swastica VR 22402 5
  • Bowmania swastica VR 22405 6
  • Bowmania swastica VR 22406 7
  • Bowmania swastica VR 22408 8
  • Bowmania swastica VR 22410 9
  • Bowmania swastica VR 22414 10
  • Bowmania swastica VR 22413 11
  • Bowmania swastica VR 22418 12
  • Bowmania swastica VR 22411 13
  • Bowmania swastica VR 22412 14
  • Bowmania swastica VR 22415 15
  • Bowmania swastica VR 22417 16
  • Bowmania swastica VR 22419 17
  • Bowmania swastica VR 22423 18
  • Bowmania swastica VR 22424 19
  • Bowmania swastica VR 22427 20
  • Bowmania swastica VR 22420 21
  • Bowmania swastica VR 22421 22
  • Bowmania swastica VR 22425 23
  • Bowmania swastica VR 22428 24
    10µm
Aguablanca Creek, Colombia

In the mobile mount.

Set number: 2070

  • Bowmania swastica 52159 1
  • Bowmania swastica 52163 2
  • Bowmania swastica 52167 3
  • Bowmania swastica 52168 4
  • Bowmania swastica 52158 5
  • Bowmania swastica 52162 6
  • Bowmania swastica 52166 7
  • Bowmania swastica 52169 8
  • Bowmania swastica 52160 9
  • Bowmania swastica 52173 10
  • Bowmania swastica 52164 11
  • Bowmania swastica 52171 12
  • Bowmania swastica 52161 13
  • Bowmania swastica 52172 14
  • Bowmania swastica 52165 15
  • Bowmania swastica 52170 16
    10µm
The specific location cannot be disclosed.

Set number: 2069

  • Bowmania swastica 42753 1
  • Bowmania swastica 42750 2
  • Bowmania swastica 42754 3
  • Bowmania swastica 42755 4
  • Bowmania swastica 42752 5
  • Bowmania swastica 42751 6
  • Bowmania swastica 42756 7
  • Bowmania swastica 42760 8
  • Bowmania swastica 42758 9
  • Bowmania swastica 42762 10
  • Bowmania swastica 42764 11
  • Bowmania swastica 42765 12
  • Bowmania swastica 42757 13
  • Bowmania swastica 42763 14
  • Bowmania swastica 42761 15
  • Bowmania swastica 42766 16
  • Bowmania swastica 42768 17
  • Bowmania swastica 42769 18
  • Bowmania swastica 42767 19
    10µm
The specific location cannot be disclosed.

Set number: 2068

  • Bowmania swastica 3234 1
  • Bowmania swastica 3235 2
  • Bowmania swastica 3237 3
  • Bowmania swastica 3236 4
    10µm
The specific location cannot be disclosed.

Set number: 2067

  • Bowmania swastica 1726 1
  • Bowmania swastica 1725 2
  • Bowmania swastica 1723 3
  • Bowmania swastica 1724 4
    10µm
Mauritania, West Africa

Set number: 2066

  • Bowmania swastica 1672 1
  • Bowmania swastica 1673 2
    10µm
Mauritania, West Africa
Final Epithet
Bowmania swastica (Stradner & Steinmetz, 1984) Varol, 2025a
Basionym

Bowmania swastica Stradner & Steinmetz, 1984

Remarks

Cuboid species of Bowmania with protruding apices exhibit cobbler’s anvil-like blocks delineated by sutures. The protrusions of blocks create a swastika-shaped appearance for this species. The central cross in Plate 35, Figure 18 (in Varol, 2025a), exhibits length-fast (-) elongation, while the blocks display length-slow (+) elongation.

References

Stradner, H., Steinmetz, J., 1984. Cretaceous calcareous nannofossils from the Angola Basin, Deep Sea Drilling Project Site 530. Initial Reports of the Deep Sea Drilling Project 75, 565-649.

Varol, O. 2025a. A practical guide to optical studies of calcareous nannofossils. Grzybowski Foundation Special Publication. 29: 1-222