Amphisphaera gonioxyphos ( Clark & Campbell, 1942 )

Popova, Irina M., Baumgartner, Peter O., Guex, Jean, Tochilina, Svetlana V. & Glezer, Zoya I., 2002, Radiolarian biostratigraphy of Paleogene deposits of the Russian Platform (Voronesh Anticline), Geodiversitas 24 (1), pp. 7-59 : 21

publication ID

https://doi.org/ 10.5281/zenodo.5375608

persistent identifier

https://treatment.plazi.org/id/965DED24-0E78-5407-FCB3-80263C8CFA4E

treatment provided by

Marcus (2021-08-29 23:15:52, last updated by Plazi 2023-11-05 19:16:24)

scientific name

Amphisphaera gonioxyphos ( Clark & Campbell, 1942 )
status

 

Amphisphaera gonioxyphos ( Clark & Campbell, 1942) ( Fig. 16A, F View FIG )

Stylosphaera gonioxyphos Clark & Campbell, 1942: 30 , pl. 5, fig. 28.

Amphistylus ensiger Kozlova & Gorbovets, 1966: 55 , pl. VIII, fig. 3.

GEOGRAPHIC DISTRIBUTION. — California, Voronesh Anticline.

STRATIGRAPHIC RANGE. — Middle to latest middle Eocene ( Clark & Campbell 1942; Blueford & White 1984; Blueford 1988); middle Eocene (this study).

BLUEFORD J. R. & WHITE L. D. 1984. - Paleoceanographic interpretation of Eocene siliceous deposits from west-central California, in BLUEFORD J. R. (ed.), Kreyenhagen Formation and Related Rocks. Pacific Section, Society of economic Paleontologists and Mineralogists, Los Angeles: 67 - 78.

BLUEFORD J. 1988. - Radiolarian biostratigraphy of siliceous Eocene deposits in central California. Micropaleontology 34 (3): 236 - 258.

CLARK B. L. & CAMPBELL A. S. 1942. - Eocene radiolarian faunas from the Mount Diablo area, California. Geological Society of America, Special Papers 39: 1 - 112.

Gallery Image

FIG. 16. — Early and middle-late Eocene Radiolarians from different localities; A, F, Amphisphaera gonioxyphos (Clark & Campbell, 1942), o/p 294/11, interval 12.8 m; B, C, Periphaena quadrata (Clark & Campbell, 1942), well 510C, interval 36.0 m; D, Amphisphaera megaxyphos tetraxyphos (Clark & Campbell, 1942), o/p 294/4, interval 6.3 m; E, Carposphaera globosa Clark & Campbell, 1945, well 510C, interval 36.0 m; G, Dorylonchidium fructiforme Clark & Campbell, 1942, o/p 294/10, interval 12.2 m; H, I, Conoactinomma sp. aff. Conosphaera stilloformis Lipman, 1960, well 510C, interval 36.0 m; J, Calocyclas sp. aff. barbadensis Ehrenberg, 1875, well 730C, interval 43.7 m; K, L, Anthocyrtium sp., well 730C, interval 38.8 m; M, Theocotyle venezuelensis Riedel & Sanfilippo, 1970, o/p 294/11, interval 12.8 m; N-P, Tripodiscinus kaptarenkoae (Gorbunov, 1979), o/p 294/10, interval 12.2 m; Q, Calocyclas undella (Clark & Campbell, 1942), o/p 294/2, interval 4.3 m; R, Callimitra sp. aff. Tripilidium clavipes Clark & Campbell, 1945, o/p 294/6, interval 8.3 m; S, Tripodiscinus sp., well 730C, interval 38,8 m; T, Ceratocyrtis rhabdophora rhabdophora (Clark & Campbell, 1945), o/p 294/5, interval 7.3 m; U, Botryostrobus sp., well 730C, interval 38.8 m; V, Callimitra cf. atavia Goll, 1979, o/p 294/6, interval 8.3 m. Scale bars: 100 µm.

Kingdom

Chromista

Phylum

Radiozoa

Class

Polycystina

Order

Spumellaria

Family

Actinommidae

Genus

Amphisphaera