ammonites
Lacisus siphunculus Kozur 1993 (radiolarian)

Radiolaria - Albaillellaria - Follicucullidae

Full reference: H. Kozur. 1993. Upper Permian Radiolarians from the Sosio Valley Area, Western Sicily (Italy) and from the Uppermost Lamar Limestone of West Texas. Jahrbuch der Geologischen Bundesanstalt (Wien) 136(1):99-123

Belongs to Lacisus according to H. Kozur 1993

Sister taxa: none

Type specimen: Its type locality is Sample 655, Pietra di Salomone, which is in a Wuchiapingian basinal (siliciclastic) claystone in Italy

Ecology: passively mobile planktonic omnivore