Radiolaria - Nassellaria - Plagiacanthidae

Full reference: P. Dumitrica. 1982. Middle Triassic Spicular Radiolaria. Revista Española de Micropaleontología 14:401-428

Belongs to Tetrarchiplagia according to P. Dumitrica 1982

Sister taxa: Tetrarchiplagia centroconcha, Tetrarchiplagia quadrispina

Type specimen: I.G.G. 103734. Its type locality is Recoaro, RC samples, which is in an Illyrian/Fassanian basinal (carbonate) limestone in the Buchenstein Formation of Italy.

Ecology: passively mobile planktonic omnivore