| cryptobranchia concentrica | | USA: Alaska, Cook Inlet, Kasitsna Bay Lab, rocky intertidal | | 564735717 |
| cryptobranchia concentrica | | USA: Alaska, Cook Inlet, Kasitsna Bay Lab, rocky intertidal | | 564735339 |
| cryptobranchia concentrica | | USA: Alaska, Cook Inlet, Kasitsna Bay Lab, rocky intertidal | | 564734655 |
| cryptobranchia concentrica | | USA: Alaska, Cook Inlet, China Poot, gravel mud flat | | 564733943 |
| cryptobranchia concentrica | | USA: Alaska, Cook Inlet, Kasitsna Bay Lab, rocky intertidal | | 564733693 |
| cryptobranchia concentrica | | USA: Alaska, Cook Inlet, China Poot, gravel mud flat | | 564733683 |
| cryptobranchia concentrica | | USA: Alaska, Cook Inlet, Kasitsna Bay Lab, rocky intertidal | | 564735509 |
| cryptobranchia concentrica | | USA: Alaska, Cook Inlet, Kasitsna Bay Lab, rocky intertidal | | 564735447 |
| cryptobranchia concentrica | | USA: Alaska, Cook Inlet, China Poot, gravel mud flat | | 564735431 |
| cryptobranchia concentrica | | USA: Alaska, Cook Inlet, China Poot, gravel mud flat | | 564735043 |
| cryptobranchia concentrica | | USA: Alaska, Cook Inlet, Kasitsna Bay Lab, rocky intertidal | | 564734235 |
| cryptobranchia concentrica | | USA: Alaska, Cook Inlet, Hesketh Island, rocky intertidal, abundant macroalgae, some gravel | | 564734045 |
| cryptobranchia concentrica | | USA: Alaska, Cook Inlet, Kasitsna Bay Lab, rocky intertidal | | 564733999 |