Discoaster surculus tessera

Varol, in prep. Apr 04, 2022

Set number: 1590

  • Discoaster pseudosurculus VR 08249 1
  • Discoaster pseudosurculus VR 08252 2
  • Discoaster pseudosurculus VR 08255 3
  • Discoaster pseudosurculus VR 08259 4
  • Discoaster pseudosurculus VR 08250 5
  • Discoaster pseudosurculus VR 08251 6
  • Discoaster pseudosurculus VR 08254 7
  • Discoaster pseudosurculus VR 08260 8
  • Discoaster pseudosurculus VR 08258 9
  • Discoaster pseudosurculus VR 08257 10
  • Discoaster pseudosurculus VR 08256 11
  • Discoaster pseudosurculus VR 08261 12
    10µm
Discoaster surculus tessera, Early Pliocene, DSDP Leg 23, Site 225, Red Sea
Final Epithet
Discoaster surculus tessera Varol, in prep.
Basionym

Discoaster surculus tessera Varol, in prep.

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
Stellates, 4 to 5 arms with bifurcation
Stellates, 5 to 9 arms with bifurcation & nodes
Stellates, often curved arms with simple tips
Biostratigraphy
  • Phanerozoic
    • Cenozoic
      • Neogene
        • Pliocene
          • Early Pliocene
            • Zanclean
Stratigraphic Range
Zanclean
Age (Ma)
5.33? - 3.60