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radiolaria - rads_cenozoic - Spongodrymus elaphococcus radiolaria - rads_cenozoic - Spongodrymus elaphococcus

Spongodrymus elaphococcus


Classification: rads_cenozoic -> Actinommidae -> Spongosphaeridae -> Spongodrymus -> Spongodrymus elaphococcus
Sister taxa: S. elaphococcus, S. sp.

Taxonomy

Citation: Spongodrymus elaphococcus Haeckel 1887
Taxonomic rank: species
Basionym: Spongodrymus elaphococcus
Synonyms:

From Suzuki Paleotax db:

1887 Spongodrymus elaphococcus n. sp. Haeckel p. 272, pl. 18, fig. 9
1910 Spongodrymus elaphococcus Haeckel Mast p. 189
1960 Spongodrymus elaphococcus Haeckel Hollande & Enjumet p. 106, pl. 25, figs. 1-2, pl. 47, fig. 1
1980 Spongodrymus sp. cf. S. elaphococcus Haeckel Boltovskoy & Riedel p. 114, pl. 3, fig. 4
1990 Spongodrymus elaphococcus Haeckel Fujioka pl. 40, fig. 3

Catalog entries: Spongodrymus elaphococcus

Original description: Spongy framework of the solid sphere equal throughout, on the surface arising in the form of very numerous (sixty to eighty or more) spongy cones with rather rhomboidal meshes. Each cone is prolonged into a very thin, irregularly curved radial spine, which is twice as long as the shell diameter, simple in the proximal half, branched like a tree in the distal half; each arborescent spine has from sixteen to thirty-two terminal branches, which fall in one spherical face. The branches of neighbouring spines are partly connected by anastomoses, so that they begin to form an outer spherical shell (cortical shell) with a looser spongy framework.

Diameter of the whole spherical skeleton (sphere formed by the distal ends of the dichotomous branches) 900µm, of the inner solid spongy sphere 90µm.

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant. Data source: Lazarus et al. 2015 - "R age group"
First occurrence (base): within Quaternary Period (0.00-2.59Ma, base in Gelasian stage). Data source: Lazarus et al. 2015 - "R age group"

Plot of occurrence data:

References:


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Spongodrymus elaphococcus compiled by the radiolaria@mikrotax project team viewed: 24-3-2025

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=205506 Go to Archive.is to create a permanent copy of this page - citation notes



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