ammonites
Archaeohagiastrum longipes Baumgartner 1995 (radiolarian)

Radiolaria - Spumellaria - Hagiastridae

Belongs to Archaeohagiastrum according to Baumgartner 1995

Sister taxa: Archaeohagiastrum munitum, Archaeohagiastrum oregonense, Archaeohagiastrum pobi

Ecology: passively mobile planktonic omnivore