siphoninid

English

Noun

siphoninid (plural siphoninids)

1. (zoology) A foraminifer of the family Siphoninoidea.
   • 2003, Donald R. Prothero, From Greenhouse to Icehouse: The Marine Eocene-Oligocene Transition:

     Accessory benthic foraminiferal events reported by Berggren and Miller (1989) to occur in the late Eocene are the migrations into the bathyal realm from the neritic realm of planulinids and siphoninids.