From Suzuki Paleotax db:
1873 Haliomma triactis n. sp. [nomen nudum] Ehrenberg p. 294-295
1873 Stylosphaera triactis (Ehrenberg) [nomen nudum] Ehrenberg p. 298-299
1874 Haliomma triactis n. sp. Ehrenberg p. 236
1876 Haliomma triactis Ehrenberg Ehrenberg p. 74-75, pl. 28, fig. 4
1880 Haliomma triactis Ehrenberg Stöhr p. 87, pl. 1, fig. 7
1887 Triactiscus tripodiscus n. sp. Haeckel p. 432-433
1972 Triactis triactis (Ehrenberg) [sic] Petrushevskaya & Kozlova p. 523, pl. 13, fig. 2
1990 Heliodiscus triactis (Ehrenberg) Kozlova pl. 11, fig. 5
1999 Triactis triactis (Ehrenberg) [sic for genus] Kozlova pl. 28, fig. 8; pl. 29, fig. 5
2009 Haliomma triactis Ehrenberg [Ehrenberg collection] Ogane et al. pl. 11, fig. 3a-c
2009 Haliomma triactis Ehrenberg [Ehrenberg collection] Ogane et al. pl. 67, figs. 1a-c, 2a-d
Catalog entries: Haliomma triactis
Original description: [Capsule subglobose, broader, irregularly porous, with a densely hairy margin with small bristles; three strong diverging spines seem to arise from the median nucleus. Diameter of capsule 150 µ, of the nucleus 49 µ. Approx. 2½ - 3 distinct pores in 23 µ. Length of the largest spine 94 µ (Translated from Latin by E.M.R. and W.R.R.)]
Similar species
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:
Ehrenberg, C. G. (1874b). Grössere Felsproben des Polycystinen-Mergels von Barbados mit weiteren Erläuterungen. Monatsberichte der Koniglichen Preussische Akademie der Wissenschaften zu Berlin. 1873: 213-263. gs Funakawa, S., Nishi, H., Moore, T. C. & Nigrini, C. A. (2006a). Data report: Late Eocene–early Oligocene radiolarians, ODP Leg 199 Holes 1218A, 1219A, and 1220A, central Pacific. Proceedings of the Ocean Drilling Program, Scientific Results. 199: 1-74. gs OReferences:
Periphaena triactis compiled by the radiolaria@mikrotax project team viewed: 16-9-2024
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