| Ritterella aequalisiphonis (Ritter & Forsyth, 1917) Sandy lobed sea squirt | 
| No Picture Available | 
| Family: | Ritterellidae () | |||
| Max. size: | ||||
| Environment: | sessile; marine | |||
| Distribution: | Eastern Pacific: USA and Canada. | |||
| Diagnosis: | ||||
| Biology: | ||||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. 123251) | |||
| Threat to humans: | ||||
| Country info: |  | |||