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Otosphaera auriculata


Classification: rads_cenozoic -> Collosphaeridae -> Otosphaera -> Otosphaera auriculata
Sister taxa: O. annikae, O. auriculata, O. tenuissima, O. sp.

Taxonomy

Citation: Otosphaera auriculata Haeckel 1887
Taxonomic rank: species
Basionym: Otosphaera auriculata
Synonyms:

From Suzuki Paleotax db:

1887 Otosphaera auriculata n. sp. Haeckel p. 116, pl. 7, fig. 5
1967 Otosphaera auriculata Haeckel Nigrini p. 22, pl. 1, fig. 7
1972 Otosphaera auriculata Haeckel Petrushevskaya & Kozlova pl. 9, fig. 2
1975 Otosphaera auriculata Haeckel group Ling p. 717, pl. 1, figs. 5, 6
1977 Otosphaera auriculata (Haeckel) [sic] Molinap. 332, pl. 5, fig. 10
1979 Otosphaera auriculata Haeckel Nigrini & Moore S7-8, pl. 1, fig. 4
1980 Otosphaera auriculata Haeckel Johnson & Nigrini p. 119, text-fig. 4e, pl. 1, fig. 11
1982 Otosphaera auriculata Haeckel Tan & Su p. 141, pl. 2, fig. 12
1984 Otosphaera auriculata Haeckel Nishimura & Yamauchi p. 18, pl. 1, fig. 10
1986 Otosphaera auriculata Haeckel Levyikina p. 104, pl. 9, fig. 8
1987 Otosphaera auriculata Haeckel group Nishimura p. 727
1991 Otosphaera auriculata Haeckel Takahashi p. 58, pl. 3, fig. 13 (not 10)
1992 Otosphaera auriculata Haeckel Sugiyama et al. pl. 6, fig. 4
1992 Otosphaera auriculata Haeckel Wang & Yang pl. 2, fig. 20
1994 Otosphaera auriculata Haeckel Haslett p. 129-130, pl. 1, fig. 4
1998 Otosphaera auriculata Haeckel Tan p. 120-121, text-fig. 104
1999 Otosphaera auriculata Haeckel Tan & Chen p. 142, text-fig. 5.44
Taxonomic discussion: Haeckel, 1887 p.116 pl.7 fig.5; emend.Nigrini,1967 p.22 pl.1 fig.7;Nigrini & Moore,1979 p.S7

Catalog entries: Otosphaera auriculata

Original description: Shell quite irregular, of extremely variable form, now inclining to roundish, now to polyhedral, with very numerous small pores, irregularly formed and distributed. Twelve to twenty-four pores in the half meridian of the shell, of very different size, for the most part larger than the bars. Porous tubuli of the shell of variable number (in one and the same colony), one to five, mostly three or four, of conical form, irregularly formed and scattered, commonly about half as long as the radius of the shell. Outer aperture of the tubuli obliquely truncated, with one large prominent, often curved, acute tooth.

Diameter of the shell 0.1 to 0.2, of the pores 0.003 to 0.005; length of the tubuli 0.01 to 0.05, inner aperture 0.04, outer aperture 0.03. [dimensions in mm]
Remarks on original description: [Stratigraphic information for LM21 from Riedel, 1959, p.287.]

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:

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. & Moore, T. C. Jr. (1979). A guide to modern Radiolaria. Cushman Foundation for Foraminiferal Research, Special Publication. 16: 1-260. 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


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Otosphaera auriculata compiled by the radiolaria@mikrotax project team viewed: 21-1-2025

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