Hofsteniidae
Hofsteniidae is a family of acoels. This family contains seven species in three genera.
This worm ranges in size from 100 μm for embryos to 500 μm for adults, and exhibits "whole-body regeneration" capability, where entire body parts regenerate when removed from the body. They have a simple nervous system and a bowel sac with no way out.
Genera
There are three genera in the family Hofsteniidae.- Hofstenia Bock, 1923
- Hofsteniola Papi, 1957
- Marcusiola Steinböck, 1966
Species
| Name | Image | Distribution | Description |
| Hofstenia arabiensis Beltagi & Mandura, 1991 | |||
| Hofstenia atroviridis Bock, 1923 | |||
| Hofstenia beltagii Steinböck, 1966 | |||
| Hofstenia miamia Correa, 1960 | |||
| Hofstenia minuta Palombi, 1928 | |||
| Hofsteniola pardii Papi 1957 | |||
| Marcusiola tinga |