Nannotax3 - ntax_cenozoic - D. musicus group Nannotax3 - ntax_cenozoic - D. musicus group

D. musicus group

Classification: ntax_cenozoic -> Discoasterales -> Discoasteraceae -> Discoaster -> D. musicus group
Sister taxa: D. brouweri group, D. pentaradiatus group, D. quinqueramus group, D. variabilis group, D. exilis group, D. musicus group, D. deflandrei group ⟩⟨ D. nodifer group, D. lodoensis group, D. multiradiatus group, D. araneus group, D. sp.

Daughter taxa (time control age-window is: 0-800Ma)Granddaughter taxa
Discoaster sanmiguelensis
Similar to D. exilis , but with wide central area, distal boss relatively small, confined to the central area
Discoaster ulnatus
Discoaster patulus

Discoaster musicus
Similar to D. exilis , but with wide central area and large distal boss, prominent sutural ridges extending between the rays.
Discoaster carneyi

Discoaster virginianus
Small to medium sized with large central area and short arms, stem on both proximal and distal sides. Resembles Catinaster
Discoaster catinatus
Discoaster gamberi
Discoaster glenos
Discoaster transitus

Discoaster micros
Small discoaster with short arms; bifurcations almost touching and thicker than the arms
Discoaster catillomicros
Discoaster stellimicros
Discoaster arneyi
Discoaster premicros


Citation: Discoaster musicus group de Kaenel et al. 2017
Rank: species group

Farinacci & Howe catalog pages: Discoaster musicus group [no catalog entry yet]

Search data:
Lith size: 0->0µm;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): at top of NN9 zone (100% up, 9.5Ma, in Tortonian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within NN4 zone (14.91-17.95Ma, base in Burdigalian stage). Data source: Total of ranges of species in this database

Plot of occurrence data:


de Kaenel, E., Bergen, J. A., Browning, E., Blair, S. A. & Boesiger, T. M. (2017). Uppermost Oligocene to Middle Miocene Discoaster and Catinaster taxonomy and stratigraphy in the circum North Atlantic Basin: Gulf of Mexico and ODP Leg 154. Journal of Nannoplankton Research. 37(2-3): 215-244. gs O


D. musicus group compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 2-12-2023

Taxon Search:
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Short stables page link: Go to to create a permanent copy of this page - citation notes

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