Spirospirula leioris
- Kingdom
- Microsynthera
- Phylum
- Plasticae
- Class
- Pseudocclupanida
- Order
- Persolla
- Family
- Cephaloporpae
- Genus
- Spirospirula
- Species
- S. leioris
- External morphology
Rounded outer edge. Body length 34.3 mm x 19.5 mm.
Specimen found in Hong Kong by occlupanologist Kurisu. Spirospirula leioris is found attached to Kleenex brand KF94 masks.