Radiolaria - Nassellaria - Williriedellidae

Alternative spelling: Striatojaponicapsa

Full reference: H. Kozur. 1984. New radiolarian taxa from the Triassic and Jurassic. Geologisch-Paläontologische Mitteilungen Innsbruck 13(2):49-88

Parent taxon: Williriedellidae according to L. O'Dogherty et al. 2006

Sister taxa: Cryptamphorella, Excentropylomma, Helvetocapsa, Hemicryptocapsa, Hiscocapsa, Holocryptocanium, Holocryptocapsa, Immersothorax, Kozurium, Minocapsa, Praewilliriedellum, Trisyringium, Williriedellum, Zhamoidellum

Subtaxa: Striatojaponocapsa conexa, Striatojaponocapsa plicarum, Striatojaponocapsa riri, Striatojaponocapsa synconexa

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Type: Tricolocapsa plicarum

Ecology: passively mobile planktonic omnivore