Nannotax3 - ntax_Farinacci - Olladiscoaster superbus Nannotax3 - ntax_Farinacci - Olladiscoaster superbus

CATALOG - Olladiscoaster superbus


Folder trail: ntax_Farinacci -> O -> Olladiscoaster -> Olladiscoaster superbus
Folders this level: O. asterilithos, O. bordii, O. cruxii, O. cruzii, O. exagonikoasteri, O. lepidus, O. molae, O. perplexus, O. superbus, O. vestigium, O. zucchiae

Original descriptions of taxa. For coccolithophores, and many calcispheres, these are pages from the Farinacci & Howe Catalog of Calcareous Nannofossils. In other cases (e.g. non-calcifying haptophytes) the data is directly compiled on this site. The "Catalogue of Calcareous Nannofossils" was originally compiled by Prof A. Farinacci 1969-1989, since 2000 it has been updated and extended by Richard Howe - see The Farinacci and Howe Catalog - an Introduction.
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Current identification:

Compiled data

Citation: Olladiscoaster superbus Varol & Bowman 2024
Taxonomic rank: species
Type specimens: Holotype: Plate 28, Figs. 1-12 (same specimen in mobile mount).
Type age (chronostrat): Zone NN6, Middle Miocene.
Standardised type level: 122_MIDDLE MIOCENE
Type locality: IODP Leg 354, Hole 1451B (Ninetyeast Ridge, Bengal Fan), northern Indian Ocean.
Type repository: Varol Research, Llandudno
Repository Country: Wales


Original Description

Hexagonal stellate species of Olladiscoaster have boomerang-shaped segments with quasi-arms. The shorter sides of segments meet at the centre. On the distal side, the distinct sutural ridges are created by the deep cavities. The sutural ridges are raised towards the centre and capped by boomerang-shaped distal covers. The distinct proximal ridges with a large petaloid knob decorate the bulged proximal side. From the side view, Olladiscoaster superbus resembles a chamber pot.

Size:
Dimensions of holotype: Maximum diameter: 8.58 µm, Maximum height: 5.48 µm; Diameter of the central area: 5.27 µm, Diameter of the proximal knob: 6.31 µm, Height of the proximal knob: 2.75 µm, Length of the quasi-arm: 1.65 µm, (measurements from bright field micrograph).

Etymology:
From the Latin superbus, superb ? refers to its magnificent appearance.

Extra details from original publication
Remarks: Olladiscoaster superbus differs from other Olladiscoaster species by having slender kite-shaped segments whose longer site forms a quasi-arm and a large petaloid proximal knob.

Occurrence: This species is recorded from IODP Leg 354, Hole 1451B, Ninetyeast Ridge, Bengal Fan, Indian Ocean, USGS-NASA Langley core 134.4 m, Hampton, VA, USA and various commercial oil wells in the Gulf of Mexico.

Stratigraphic range: Middle Miocene (Zone NN6).

References:

Varol, O. & Bowman, A. R. (2024). The new Middle Miocene genus Olladiscoaster, and related and associated discoasters. Grzybowski Foundation Special Publication. 28: 1-102. gs


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Olladiscoaster superbus: Catalog entry compiled by Jeremy Young. Viewed: 5-3-2026

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=55772 Go to Archive.is to create a permanent copy of this page - citation notes

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