- Type images:
type material: P. grandis
From Suzuki Paleotax db:
1971 Psychospyris grandis n. sp. Riedel & Sanfilippo p. 1591, pl. 6, figs. 3-5
1977 Psychospyris grandis Riedel & Sanfilippo Riedel & Sanfilippo pl. 17, fig. 11
Catalog entries: Psychospyris grandis
type material: P. grandisOriginal description: Cephalic cavity, together with the "pocket" below the lateral bars, almost circular in outline, covered by very delicate lattice-plates with pores re-sembling an irregular network rather than circular. Chambered zone narrow, dense, peripherally thorny, and similar in structure around the entire periphery. Sagittal ring high and delicate, at its upper end con-nected to the inner margin of the spongy zone by paired sagittal ring bars which are generally shorter than in P. intermedia.
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:
References:
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Psychospyris grandis compiled by the radiolaria@mikrotax project team viewed: 5-9-2026
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