Discoaster anisopentactis

Varol, in prep. Sept 15, 2026

Set number: 4569

  • Discoaster anisopentactis 70755 1
  • Discoaster anisopentactis 70758 2
  • Discoaster anisopentactis 70753 3
  • Discoaster anisopentactis 70754 4
  • Discoaster anisopentactis 70756 5
  • Discoaster anisopentactis 70757 6
  • Discoaster anisopentactis 70751 7
  • Discoaster anisopentactis 70752 8
    10µm
Discoaster anisopentactis, Late Paleocene, ODP Leg 129, Site 801A, Pigafetta Basin, Pacific Ocean
Final Epithet
Discoaster anisopentactis Varol, in prep.
Basionym

Discoaster anisopentactis Varol, in prep.

Etymology

From Greek anisos, unequal, asymmetrical and pentaktis, five-rayed, referring to the small, asymmetrical five-rayed form of the species.

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
Uncategorised
Biostratigraphy
  • Phanerozoic
    • Cenozoic
      • Paleogene
        • Paleocene
          • Late Paleocene
            • Thanetian
Stratigraphic Range
Thanetian
Age (Ma)
59.24? - 56.00