Name: Paraspidosiphon steenstrupi (Diesing, 1859)
| Is synonym sensu lato of | Aspidosiphon steenstrupii | |
| Reference | Survey of the Sipuncula of the coral and beach-rock communities of the Caribbean Sea | |
| Is synonym sensu lato of | Aspidosiphon steenstrupii | |
| Reference | Survey of the Sipuncula of the coral and beach-rock communities of the Caribbean Sea | |