| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Lumbricillus franciscanus | Eisen, 1904 | accepted name | Yes | senior synonym |
original combination |
| Lumbricillus franciscanus var. borealis | Eisen, 1904 | accepted name | No | senior synonym |
original combination |
| Lumbricillus franciscanus var. unalaskae | Eisen, 1904 | accepted name | No | senior synonym |
original combination |
| Pachydrilus franciscanus | (Eisen, 1904) | synonym | No | senior synonym |
new combination |
| Pachydrilus franciscanus var. borealis | (Eisen, 1904) | synonym | No | senior synonym |
new combination |
| Pachydrilus franciscanus var. unalaskae | (Eisen, 1904) | accepted name | No | senior synonym |
new combination |