Discoaster sp.5

Oct 05, 2026

Set number: 4584

  • Discoaster sp 5 VR 29538 1
  • Discoaster sp 5 VR 29539 2
  • Discoaster sp 5 VR 29540 3
  • Discoaster sp 5 VR 29541 4
  • Discoaster sp 5 VR 29542 5
  • Discoaster sp 5 VR 29543 6
  • Discoaster sp 5 VR 29544 7
  • Discoaster sp 5 VR 29545 8
  • Discoaster sp 5 VR 29546 9
  • Discoaster sp 5 VR 29547 10
  • Discoaster sp 5 VR 29548 11
  • Discoaster sp 5 VR 29549 12
  • Discoaster sp 5 VR 29550 13
  • Discoaster sp 5 VR 29551 14
  • Discoaster sp 5 VR 29552 15
  • Discoaster sp 5 VR 29553 16
  • Discoaster sp 5 VR 29554 17
  • Discoaster sp 5 VR 29555 18
  • Discoaster sp 5 VR 29556 19
  • Discoaster sp 5 VR 29557 20
  • Discoaster sp 5 VR 29558 21
  • Discoaster sp 5 VR 29559 22
  • Discoaster sp 5 VR 29560 23
  • Discoaster sp 5 VR 29561 24
  • Discoaster sp 5 VR 29562 25
  • Discoaster sp 5 VR 29563 26
  • Discoaster sp 5 VR 29564 27
  • Discoaster sp 5 VR 29565 28
  • Discoaster sp 5 VR 29566 29
    10µm
Discoaster sp.5, Middle Eocene, IODP Expedition 320/321, Site 1333A, Equatorial Pacific Ocean
Final Epithet
Discoaster sp.5
Basionym

Discoaster sp. 5

Taxonomy
Discoaster
Neostellates produce interference colours
Neostellates, 3 to 6 long arm, with simple tips
Neostellates, 4 to 6 long arms with bifurcation
Neostellates, 4 to 8 arms with bifurcation
Neostellates, 6 short arms with simple tips
Neostellates, bulged central area with proximal ridges
Neostellates, bulged central area with sutural & proximal ridges
Neostellates, featureless central area with distal ridges
Neostellates, proximal ridges give rise to a third furcation
Neostellates, with distal & proximal knobs
Rosettes, >10 arms
Rosettes, proximal & distal processes, >10 arms
Stellate malformed
Stellates, 4 to 5 arms with bifurcation
Stellates, 5 to 9 arms with bifurcation & nodes
Stellates, often curved arms with simple tips
Uncategorised
Biostratigraphy
  • Phanerozoic
    • Cenozoic
      • Paleogene
        • Eocene
          • Middle Eocene
            • Lutetian
Stratigraphic Range
Lutetian
Age (Ma)
48.07? - 41.03