BioStor
 | Molecular Phylogeny of the Model Annelid Ophryotrocha Thomas G Dahlgren, Bertil Akesson et al. (2001) Biol Bull 201: 193-203 |
| Two new DorvNea species (Polychaeta, Dorvilleidae) with obligate asexuaI reproduction Bertil Akesson and Stanley A Rice (1992) Zoologica Scripta 21: 351-362 |