- Type images:
type material: C. neatum
From Suzuki Paleotax db:
1970 Cyclampterium (?) neatum n. sp. Sanfilippo & Riedel p. 457, pl. 2, figs. 17-18
1971 Cyclampterium (?) neatum Sanfilippo et Riedel Riedel & Sanfilippo p. 1593, pl. 1e, figs. 4-6
1972 Cyclampterium (?) neatum Sanfilippo et Riedel Goll p. 958, pl. 23, figs. 1-3
1974 Cyclampterium neatum Sanfilippo et Riedel (?) Renz p. 790, pl. 16, fig. 29
1975 Cyclampterium neatum Sanfilippo et Riedel Holdsworth p. 529
1975 Cyclampterium neatum Sanfilippo et Riedel King pl. 1, figs. 3, 5, pl. 2, figs. 3, 4, pl. pl. 3, figs. 1, 2, 4
1976 Cyclampterium neatum Sanfilippo et Riedel Renz p. 120, pl. 4, fig. 1
1978 Cyclampterium neatum Riedel et Sanfilippo Riedel & Sanfilippo p. 67, pl. 4, fig. 15
1984 Cyclampterium (?) neatum Sanfilippo et Riedel Nigrini & Lombari N97-N98, pl. 22, figs. 3a, 3b
1986 Cyclampterium neatum Sanfilippo et Riedel Riedel & Sanfilippo pl. 5, fig. 16
1990 Lophocyrtis (Cyclampterium) neatum Sanfilippo & Riedel Sanfilippo p. 307, pl. 4, figs. 1-3
1996 Theocapsa neati (Sanfilippo & Riedel) Chen & Tan p. 225, pl. 33, fig. 15, pl. 54, fig. 4
1999 Theocapsa neati (Sanfilippo & Riedel) [sic] Tan & Chen p. 343, text-fig. 5.284
2003 Theocapsa neati (Sanfilippo & Riedel) [sic] Tan & Su p. 205-206, pl. 5, fig. 4; pl. 19, fig. 1; text-fig. 163
Catalog entries: Cyclampterium neatum
type material: C. neatumOriginal description: Shell approximately spherical in general form. Cephalis subspherical, poreless or with a few small pores, with horn either short or absent. Collar stricture pronounced. Thorax very inflated pyriform, approaching a sphere, with rather delicate wall (especially in the more recent specimens) and pores circular to polygonal. increasing in size away from the collar stricture and then decreasing somewhat. Thoracic surface with very short thorns. Distal margin of thorax much narrower than its widest part. Abdomen short, inverted cap-shaped, with wall structure similar to adjacent part of thorax, and lumbar stricture distinguished externally by a very slight, if any, change in contour.
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:
Sanfilippo, A. & Riedel, W. R. (1970). Post-Eocene "closed" theoperid radiolarians. Micropaleontology. 16(4): 446-462. gs Sanfilippo, A. (1990). Origin of the subgenera Cyclampterium, Parampterium and Sciadiopeplus from Lophocyrtis (Lophocyrtis) (Radiolaria, Theoperidae). Marine Micropaleontology. 15(3-4): 287-312. gsReferences:
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Lophocyrtis neatum compiled by the radiolaria@mikrotax project team viewed: 24-6-2025
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