| Citation | Chen, Y., 2007 The ecology and biology of amphioxus in Hong Kong. Hong Kong: Kowloon, City University of Hong Kong, PhD Thesis, 321 p. |
| Ref. | 124788 Chen, Y., 2007 |
| Page | 73-105 |
| Named Used as Valid | Praxillella gracilis |
| Locality | |
| Distribution | Hong Kong. |