radiolaria - rads_cat - Siphonosphaera magnisphaera radiolaria - rads_cat - Siphonosphaera magnisphaera

CATALOG OF ORIGINAL DESCRIPTIONS: Siphonosphaera magnisphaera Takahashi 1991

This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.

Higher levels: rads_cat -> S -> Siphonosphaera -> Siphonosphaera magnisphaera
Other pages this level: S. abelmannae, S. arkys, S. brachysiphonia, S. chonophora, S. conifera, S. crystalloides, S. cyathina, S. donghaiense, S. fragilis, S. hyalina, S. infundibulum, S. macropora, S. macrosiphonia, S. magnisphaera, S. marginata, S. martensi, S. membranella, S. minima, S. minima laevigata, S. monotubulosa, S. pansiphonia, S. paradoxa, S. paraphoros, S. patinaria, S. pericyclis, S. pipetta, S. polypora, S. polysiphonia, S. preveriana> >>

Siphonosphaera magnisphaera

Citation: Siphonosphaera magnisphaera Takahashi 1991
taxonomic rank: species
Described on page(s) : p.59
Type specimens: pl.4, figs.1, 3
Family (traditional): Collosphaeridae
Family (modern): Collosphaeridae

Current identification/main database link: Siphonosphaera magnisphaera Takahashi 1991

Original Description

Shell large, spherical, with numerous subcircular to polygonal small pores and 10 17 large polygonal pores of 1/4 1/2 length of the shell diameter. Number of the small and large pores are ca. 30 40 and 2 4 respectively on the half meridian. The large pores form very short tubules.

Shell diameter: 175 220 mm (6 specimens); large pore diameter: 12 64 mm (6 specimens).

Latin meaning having the nature of a large sphere.

Extra details from original publication
Distinguishing characters: This species has a relatively large shell for Collosphaeridae, and differs from Siphonosphaera sp.A (Plate 4, figure 2) in shell size and in number and shape of small and large pores.


Takahashi, K. (1991). Radiolaria: Flux, ecology, and Taxonomy in the Pacific and Atlantic. Ocean Biocoenosis Series. 3: 1-301. gs


Siphonosphaera magnisphaera compiled by the radiolaria@mikrotax project team viewed: 15-6-2024

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