rad_org Amphisphaera minor, img1174.jpg
rad_org Amphisphaera minor, img1174.jpg
1942 Stylosphaera minor - Clark and Campbell p.27,pl.5,figs.1,2,2a,12
1973 Amphisphaera minor - Sanfilippo and Riedel p.486,pl.1,figs. 1-5;pl.22,fig.4
1975 Amphisphaera minor - Chen pl. 3, fig. 1
From Suzuki Paleotax db:
1942 Stylosphaera (Stylosphaerantha) minor leptoxyphos n. subsp. Clark & Campbell p. 27, pl. 5, fig. 12
1942 Stylosphaera (Stylosphaerantha) minor minor n. sp. et n. subsp. Clark & Campbell p. 27, pl. 5, figs. 1, 2, 2a
1945 Stylosphaera (Stylosphaerantha) minor brevihastata n. sp. Clark & Campbell p. 11, pl. 1, figs. 15-19
1945 Stylosphaera (Stylosphaerantha) minor minor Clark et Campbell Clark & Campbell p. 11, pl. 1, figs. 13, 14
1972 Stylosphaera minor Clark et Campbell Petrushevskaya & Kozlova p. 520, pl. 10, fig. 4
1973 Amphisphaera minor (Clark et Campbell) Sanfilippo & Riedel p. 486, pl. 1, figs. 1-5, pl. 22, fig. 4
1975 Amphisphaera minor (Clark et Campbell) Chen p. 452-453, pl. 3, fig. 1
1975 Stylosphaera minor Clark et Campbell Petrushevskaya p. 569-570
1978 Stylosphaera minor Clark et Campbell Dzinoridze et al. pl. 22, fig. 12
1978 Stylosphaera minor Clark et Campbell Dzinoridze et al. pl. 22, fig. 13
1978 Stylosphaera minor leptoxiphos Clark et Campbell [sic] Dzinoridze et al. pl. 22, fig. 14
1978 Stylosphaera sp. aff. S. minor Clark et Campbell Dzinoridze et al. pl. 34, figs. 6, 7
1979 Stylosphaera minor Clark et Campbell Kozlova & Petrushevskaya p. 98-99
1984 Stylosphaera minor Clark et Campbell Kozlova pl. 10, fig. 7
1985 Amphisphaera cf. minor (Clark et Campbell) Watanabe & Iwata pl. 1, fig. 14
1987 Amphisphaera minor (Clark et Campbell) Nishimura p. 719, pl. 1, fig. 5
1988 Stylosphaera minor Clark & Campbell [sensu emend.] Blueford p. 247, pl. 4, figs. 4-6
1993 Stylosphaera minor Clark & Campbell Vituchin pl. 32, fig. 2
1993 Stylosphaera minor brevihastata Clark & Campbell Vituchin pl. 6, fig. 7
1993 Stylosphaera minor leptoxyphos Clark & Campbell Vituchin pl. 6, fig. 6
1993 Stylosphaera minor minor Clark & Campbell Vituchin pl. 22, fig. 5
1995 Stylosphaera minor Clark & Campbell Shilov p. 124, pl. 3, fig. 2
1997 Stylosphaera minor Clark & Campbell Hollis p. 40, pl. 1, figs. 17, 18
1999 Stylosphaera minor Campbell & Clark O'Connor p. 38, pl. 8, fig. 23; pl. 10, fig. 28
1999 Stylosphaera minor Clark et Campbell Kozlova pl. 8, fig. 7
2002 Stylospahera minor Clark and Campbell Liu & Aitchison p. 147, pl. 1, fig. 7
2005 Amphisphaera minor minor (Clark & Campbell) Bak & Barwiczp. 143, fig. 3F
Catalog entries: Stylosphaera minor
Original description: Shell having two opposite similar basally three-bladed, narrow, needlelike polar spines; spherical cortical shell moderately thick-walled, the surface having four or five circular pores across a radius, these pores within subhexagonal areas, from whose nodal develop small sepaloid points, but as a whole the surface is neat and trim; medullary shell about 0.25-0.40 diameter of the cortical shell with eight to ten subhexagonal pores across a diameter; polar supporting beams thicker than others.
Remarks on original description: [The authors here list this species under the subgeneric name Stylosphaerantha and include the subgeneric name in the species name.
Geological Range:
Last occurrence (top): within Paleogene Period (23.03-66.04Ma, top in Chattian stage). Data source: Lazarus et al. 2015 - "P age group"
First occurrence (base): within Paleogene Period (23.03-66.04Ma, base in Danian stage). Data source: Lazarus et al. 2015 - "P age group"
Plot of occurrence data:
Clark, B. L. & Campbell, A. S. (1942a). Eocene radiolarian faunas from the Mt. Diablo area, California. Geological Society of America, Special Papers. 39: 1-112. gs Sanfilippo, A. & Riedel, W. R. (1973). Cenozoic Radiolaria (exclusive of theoperids, artostrobiids and amphipyndacids) from the Gulf of Mexico, Deep Sea Drilling Project Leg 10. Initial Reports of the Deep Sea Drilling Project. 10: 475-608. gs O Missing or ambiguous references: Chen 1975; Clark & Campbell 1942; References:
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Stylosphaera minor compiled by the radiolaria@mikrotax project team viewed: 8-7-2025
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