Tylodina corticalis
(Tate, 1889)

Photographed by: Ken Thongpila
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Opisthobranchia |
| Order: | Umbraculida |
| Family: | Tylodinidae |
| Species: | Tylodina corticalis |
Locality:
- Australia
- Sydney (4) Jan, Mar, Jun, Dec
- Victoria (1) Mar
- New South Wales (1) Oct
- Nelson Bay (1) Jan
- Queensland (1) Aug
- Panama
- Panama (2) Apr