Triactoma spinosa Pessagno et al. 1989 (radiolarian)

Protozoa - Actinommacea - Xiphostylidae

Alternative combination: Tripocyclia spinosa

Synonym: Tripocyclia superba Yang 1993

Full reference: E. Pessagno, W. M. Six, and Q. Yang. 1989. The Xiphostylidae Haeckel and Parvivaccidae, n. fam, (Radiolaria) from the North American Jurassic. Micropaleontology 35(3):193-255

Belongs to Triactoma according to W. Kiessling 1995

Sister taxa: Triactoma amajacensis, Triactoma blakei, Triactoma cellulosa, Triactoma foremanae, Triactoma frequens, Triactoma hexeris, Triactoma hidalgoensis, Triactoma ilsedense, Triactoma jonesi, Triactoma kellumi, Triactoma mexicana, Triactoma pachyacantha, Triactoma parablakei, Triactoma paramexicana, Triactoma prolongata, Triactoma rosespitensis, Triactoma tenuspinea, Triactoma tithonianum, Triactiscus tripodiscus, Triactiscus lanceola, Triactiscus tripyramis, Triactiscus tricuspis, Triactiscus triacuminatus

Type specimens:

  • Triactoma spinosa: USNM 424166
  • Tripocyclia superba:

Ecology: passively mobile planktonic omnivore

Distribution:

• Jurassic of Antarctica (2 collections), Japan (1), Mexico (11)

Total: 14 collections including 24 occurrences

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Specimen images are retrieved through the ePANDDA API.


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