radiolaria - rads_cenozoic - Solenosphaera zanguebarica radiolaria - rads_cenozoic - Solenosphaera zanguebarica

Solenosphaera zanguebarica


Classification: rads_cenozoic -> Collosphaeridae -> Solenosphaera -> Solenosphaera zanguebarica
Sister taxa: S. omnitubus, S. polysolenia, S. zanguebarica, S. sp.

Taxonomy

Citation: Solenosphaera zanguebarica Brandt 1905
taxonomic rank: species
Basionym: Solenosphaera zanguebarica
Synonyms:
1872 Trisolenia zanguebarica - Ehrenberg p. 321
1872 Tetrasolenia venosa - Ehrenberg p. 301, pl. VII, fig. 22
1872 Trisolema zanguebarica - Ehrenberg p. 301, pl. X, fig. 22
1887 Collosphaera polyhedra - Haeckel p. 97
1887 Solenosphaera venosa - Haeckel p. 114
1917 Solenosphaera zanguebarica - Popofsky p. 249, text fig. 9

Catalog entries: S. zanguebarica [no catalog entry yet]

Description


Published descriptions


Nigrini 1967 - Trisolenia zanguebarica

(PI. 1, fig. 6)

Description: Similar to Disolenia quadrata (p. 19), but tubules, of which there are 4-6 (usually 5), are broadly conical, narrowing distally; hence, there is no distinct break in shell contour at the bases of the tubules. Pores rather larger thanthose of D. quadrata.

Dimensions: Diameter of shell 90-146..Breadth of outer aperture of tubules18-36µ..Occurrences previously recorded: Ehrenberg (1860a)- T. venosa, western tropical Pacific (Philippine Sea: 18°03 N., 129°11 E., 6,066m).Ehrenberg (1872a, b)- T. zanguebarica, Indian Ocean (5°37 S., 61°33 E., 4,023m).Haeckel (1887)- C. polyhedra, tropical zone of the Pacific and the Indian Ocean, Challenger Stations 266 (11°07 N., 152°03 W.) to 272 (3°48 S., 152°56 W.), surface; S. venosa, Indian Ocean, Sunda Strait (Rabbe).Popofsky (1917)- Deutsche Südpolar-Expedition, Indian Ocean, 2 May 1903 (32°57 S., 73°50 E., surface), 26 May 1903 (28°43 S., 39°24 E., surface); Atlantic Ocean, 5 September 1903 (10°45 S., 6°23 W., 400 m).Indian Ocean occurrences (fig. 7).- D. zanguebarica is sparsely distributed in low latitudes and is absent from middle latitude samples. Maximum abundances(up to 3% of the described population) occur in the western tropics. Discussion: Ehrenberg (1872b, pp. 300-301) referred to a description of Tetrasolenia venosa published in 1860 (1860b, p. 833). However, this description is of the genus Tetrasolenia; species of the genus are not mentioned. Both T. venosa and Trisolenia zanguebarica were figured by Ehrenberg (1872b) and appear to be conspecific within the present definition of Disolenia. T. zanguebarica was described by Ehrenberg in 1872 (1872a). The specific names venosa and zanguebarica are, therefore, both available for the first time in 1872 and, as far as can be determined, are of eqivalent seniority. Since T. zanguebarica was both described and figured, and since its figure is superior to that of T. venosa, the name zanguebaria has been selected for the species here described as Disolenia zanguebarica. The large openings on D. zanguebarica are considered to be tubules rather than large pores, as interpreted by Haeckel (1887), and therefore Collosphaera polyhedra can be included in the synonymy. Hilmers (1906) synonymy, cited by Popofsky (1917), for Solenosphaera zanguebarica could not be examined. However, most of the forms figured by Popofsky appear to be identical with the form described herein as Disolenia zanguebarica. The specimen in the upper left-hand corner of text figure 9 may be more closelyrelated to D. quadrata.


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:

Ehrenberg, C. G. (1872). Nachthrag zur Übersicht der organischen Atmosphärilien. Abhandlungen der koniglichen preussischen Akademie der Wissenschaften zu Berlin. (1871): 233-275. gs

Haeckel, E (1887). Report on the Radiolaria collected by H.M.S. Challenger during the years 1873-1876. Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873-1876. 18: 1-1803. gs O

Nigrini, C. A. (1967). Radiolaria in pelagic sediments from the Indian and Atlantic Oceans. Bulletin of the Scripps Institution of Oceanography. 11: 1-125. gs

Popofsky, A. (1917). Die Collosphaeriden der Deutschen Sudpolar-Expedition 1901-1903.Mit Nachtrag zu den Spumellarien und Nassellarien. In, Drygalski, E. (ed.) Deutsche Sudpolar-Expedition, 1901-1903. Deutsche Sudpolar-Expedition 1901-1903 . 16: 235-278. gs


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Solenosphaera zanguebarica compiled by the radiolaria@mikrotax project team viewed: 27-5-2024

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