Protozoa - Actinommacea - Xiphostylidae
Synonym: Triactoma robusta 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 Pessagno and Yang 1989
Sister taxa: Triactoma amajacensis, Triactoma blakei, Triactoma cellulosa, Triactoma foremanae, Triactoma frequens, Triactoma hexeris, Triactoma ilsedense, Triactoma jonesi, Triactoma kellumi, Triactoma mexicana, Triactoma pachyacantha, Triactoma parablakei, Triactoma paramexicana, Triactoma prolongata, Triactoma rosespitensis, Triactoma spinosa, Triactoma tenuspinea, Triactoma tithonianum, Triactiscus tricuspis, Triactiscus triacuminatus, Triactiscus tripyramis, Triactiscus lanceola, Triactiscus tripodiscus
Type specimens:
- Triactoma hidalgoensis: USNM 424140
- Triactoma robusta:
Ecology: passively mobile planktonic omnivore
Distribution:
• Cretaceous of Oman (5 collections)
• Jurassic to Cretaceous of Germany (1)
• Jurassic of Antarctica (1), Italy (3), Mexico (15)
Total: 25 collections including 27 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.