| Platyhelminthes Catenulida Meixner, 1924 | | w | other taxonomic work | |
| Catenulida Retronectidae Sterrer & Rieger, 1974 | | w | primary taxonomic authority (describer) | |
| Paracatenulidae Paracatenula Sterrer & Rieger, 1974 | | w | primary taxonomic authority (describer) | |
| Paracatenula erato Sterrer & Rieger, 1974 | | w | primary taxonomic authority (describer) | |
| Paracatenula kalliope Sterrer & Rieger, 1974 | | w | primary taxonomic authority (describer) | |
| Paracatenula polyhymnia Sterrer & Rieger, 1974 | | w | primary taxonomic authority (describer) | |
| Paracatenula urania Sterrer & Rieger, 1974 | | w | primary taxonomic authority (describer) | |
| Retronectidae Retronectes Sterrer & Rieger, 1974 | | w | primary taxonomic authority (describer) | |
| Retronectes clio Sterrer & Rieger, 1974 | | w | primary taxonomic authority (describer) | |
| Retronectes euterpe Sterrer & Rieger, 1974 | | w | primary taxonomic authority (describer) | |
| Retronectes melpomene Sterrer & Rieger, 1974 | | w | primary taxonomic authority (describer) | |
| Retronectes terpsichore Sterrer & Rieger, 1974 | | w | primary taxonomic authority (describer) | |
| Retronectes thalia Sterrer & Rieger, 1974 | | w | primary taxonomic authority (describer) | |