- Type images:
type image: X. gaea
From Suzuki Paleotax db:
1887 Xiphosphaera (Xiphosphaerantha) gaea n. sp. Haeckel p. 123, pl. 14, fig. 5
1913 Xiphosphaera gaea Haeckel Dreyer p. 15-19, pl. 2, fig. 5
1984 Xiphosphaera gaea Haeckel Nishimura & Yamauchi p. 35-36, pl. 44, figs. 7a, 7b
1991 Xiphosphaera gaea Haeckel Takahashi p. 70, pl. 12, figs. 1, 2
1998 Xiphosphaera gaea Haeckel Tan p. 123, text-fig. 107
1999 Xiphosphaera gaea Haeckel Tan & Chen p. 145, text-fig. 5.46
Catalog entries: Xiphosphaera gaea
type image: X. gaeaOriginal description: Pores regular, circular, with prominent hexagonal crests between them. On the half equator ten to twelve pores, of the same breadth as the crested bars. Shell thin walled; surface smooth. Polar spines three-sided prismatic, about twice as long as the axis of the sphere, twice as broad at the base as one pore.
Remarks on original description: Haeckel listed Xiphosphaera gaea under the subgeneric name Xiphosphaerantha, but did not include the subgeneric name in the species name.[comment from RadWorld database]
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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Xiphosphaera gaea compiled by the radiolaria@mikrotax project team viewed: 12-2-2026
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