Protozoa - Nassellaria - Poulpidae
Original description: Test small, hemispherical in outline, test wall thick, perforate with layer of microgranular silica covering inner latticed layer of pentagonal and hexagonal pore frames with uniform size of circular pores open. Horn extremely short, tapering distally, triradiate proximally, circular in axial section distally. Feet long, gently curved inwards. Tapering distally, triradiate with three grooves alternating with three narrow, rounded ridges, groove about twice as wide as ridges.
Etymology: This species is named for Dr. P. Smith for his contribution to the geology of east-central Oregon, Tethyan Realm.
Full reference: K. Y. Yeh. 1987. Taxonomic Studies of Lower Jurassic Radiolaria from East-Central Oregon. National Museum of Natural Science Special Publications 2:1-169
Belongs to Saitoum according to K. Y. Yeh 1987
Sister taxa: Saitoum cepeki, Saitoum corniculum, Saitoum coronarium, Saitoum curvipedatum, Saitoum dercourti, Saitoum dickinsoni, Saitoum elegans, Saitoum keki, Saitoum levium, Saitoum pagei, Saitoum thayeri, Saitoum trichylum, Saitoum triumphense
Type specimen: NMNS (000159)
Ecology: passively mobile planktonic omnivore
Distribution:
• Jurassic of United States (4: Oregon collections)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.