"Undescribed species 1", P164 NZ Coastal Marine Invertebrates, vol. 1.
Not an actual taxon entry in the database here, so add the observation field Undescribed species, with the value "NZCMIv1 Undescribed sp. 1".
The list of existing observation for this species is at /observation_fields/5737?value=NZCMIv1 Undescribed sp. 1