| Reference no. | Description | year | Name used | Page |
|---|---|---|---|---|
| 833 | Ruppert, E.E., R.S. Fox and R.D. Barnes 2004 Invertebrate Zoology. A functional evolutionary approach. 7th Ed. Brooks/Cole, Thomson Learning learning, Inc. 990 p. | 2004 | Parahaploposthia thiophilus | --> |
| 1153 | Hooge, M.D. and J.P.S. Smith III 2004 New acoels (Acoela, Acoelomorpha) from North Carolina. Zootaxa 442:1-24. | 2004 | Parahaploposthia thiophilus | 21 |