Halgerda willeyi
Eliot, 1904
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Opisthobranchia |
| Order: | Nudibranchia |
| Suborder: | Doridina |
| Family: | Discodorididae |
| Species: | Halgerda willeyi |
Locality:
- Philippines
- Anilao (9) Feb, Apr, May, Sep, Nov, Dec
- Malapascua (5) Mar, Jun
- Davao (1) Jan
- Puerto Galera (1) Mar
- Taiwan
- Long Dong (5) Feb, Apr, May, Aug
- North East Coast (3) Feb, Jun, Aug
- Taiwan (2) Jan, Aug
- Kenting (2) Mar, Aug
- Indonesia
- Lembeh (3) Jun, Oct, Nov
- Rinca Island (2) Dec
- Komodo (1) Jun
- Manado (1) Aug
- Bali (1) Jul
- North Sulawesi (1) Aug
- Egypt
- Sharm el-Sheikh (3) Jan, Jun
- Egypt (2) Jan, Feb
- Marsa Alam (2) Jan, Dec
- Hurghada (2) Nov
- Malaysia
- Perhentian (2) May, Sep
- Aur - Dayang (1) Jun
- Tunku Abdul Rahman Park (1) May
- Redang (1) May
- Australia
- Lord Howe Island (2) Oct, Dec
- New South Wales (2) Apr, May
- Saudi Arabia
- Jeddah (2) Mar, Nov
- Myanmar
- Myanmar (2) May, Nov
- Mergui Archipelago (1) Apr
- Sudan
- Sudan (1) Mar
- Brunei Darussalam
- Vietnam
- PNG
- PNG (1) Dec
- Thailand
