From Suzuki Paleotax db:
1887 Stylosphaera (Stylosphaerella) euterpe n. sp. Haeckel p. 135
1980 Stylosphaera euterpe Haeckel (?) Boltovskoy & Riedel p. 114, pl. 3, fig. 5
1986 Axoprunum euterpe (Haeckel) group Caulet p. 852
Catalog entries: Stylosphaera euterpe
Original description: Radial proportion of the two shells = 3: 1. Cortical shell thin walled, spiny; pores regular, circular, with hexagonal frames, twice as broad as the bars; eight to ten on the half equator. Polar spines conical, as thick as one pore at the base, about as long as the axis of the cortical shell.
Remarks on original description: There was no illustration of this species in Haeckel (1887)
Haeckel listed Stylosphaera euterpe under the subgeneric name Stylosphaerella, but did not include the subgeneric name in the species name.[comment from RadWorld database]
Similar species
Geological Range:
Last occurrence (top): within Neogene Period (2.59-23.03Ma, top in Piacenzian stage). Data source: Lazarus et al. 2015 - "N age group"
First occurrence (base): within Neogene Period (2.59-23.03Ma, base in Aquitanian stage). Data source: Lazarus et al. 2015 - "N age group"
Plot of occurrence data:
Axoprunum euterpe compiled by the radiolaria@mikrotax project team viewed: 13-10-2024
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