Set number: 4647

  • Discoaster heptanisogonius 27668 1
  • Discoaster heptanisogonius 27669 2
  • Discoaster heptanisogonius 27670 3
  • Discoaster heptanisogonius 27671 4
  • Discoaster heptanisogonius 27667 5
  • Discoaster heptanisogonius 27672 6
    10µm
Discoaster heptanisogonius, Early Miocene, DSDP Leg 25, Site 242, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 4648

  • Discoaster heptanisogonius 28656 1
  • Discoaster heptanisogonius 28655 2
  • Discoaster heptanisogonius 28654 3
  • Discoaster heptanisogonius 28653 4
    10µm
Discoaster heptanisogonius, Early Miocene, DSDP Leg 25, Site 242, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 4649

  • Discoaster heptanisogonius 1876 1
  • Discoaster heptanisogonius 1877 2
    10µm
Discoaster heptanisogonius, Late Oligocene, DSDP Leg 25, Site 242, Mozambique Channel (Davie Ridge), Indian Ocean
Final Epithet
Discoaster heptanisogonius
Basionym

Discoaster heptanisogonius Varol, in prep.

Diagnosis

A seven-armed species of the Discoaster deflandrei group distinguished by irregular angular spacing between the arms, with one or more inter-arm angles differing from the others.

Etymology

From Greek hepta, seven, anisos, unequal, and gonia, angle, referring to the seven arms with unequal angular spacing.