Polycystinea - Spumellaria - Hagiastridae
Description: Test having short, wide rays and small central cavity. Rays ellipsoidal in axial section, comprised of irregularly arranged and somewhat variably sized polygonal pore frames. Distal portion of
rays rounded with short, massive primary spines. Primary spines circular in axial section, one spine slightly longer than other three. Central area slightly depressed, cortical shell with small pentagonal and hexagonal pore frames. Test with or without patagium.
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 Pseudocrucella according to K. Y. Yeh 1987
Sister taxa: Pseudocrucella hilara, Pseudocrucella kubischa, Pseudocrucella ornata, Pseudocrucella sanfilippoae, Pseudocrucella tangae
Type specimen: NMNS (000025). Its type locality is Suplee-Izee area, OR-600A, which is in a Toarcian marine tuff/limestone in the Hyde Formation of Oregon.
Distribution:
• Jurassic of United States (6: Oregon collections)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.