Sphaeropanis yakimaensis
- Kingdom
- Microsynthera
- Phylum
- Plasticae
- Class
- Occlupanida
- Order
- Orthogonidectes
- Family
- Tridentidae
- Genus
- Sphaeropanis
- Species
- S. yakimaensis
- External morphology
Large lateral palps. Size 21.6 mm x 25.7 mm
Discovered by occlupanologist A. Welby during excavation of a hoard collected from Washington State. It has the largest oral groove in genus Sphaeropanis. It is unknown at present if this species attaches itself to bags of round bread. All specimens collected exhibit a thick integument.