| author | date | title | journal / publication | Kozloff E | 1953 | abs. | Collastoma pacifica sp. nov., a rhabdocoel turbellarian from the gut of Dendrostoma pyroides Chamberlin. | Journal Parasitol 39(3): 336-340 |
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| Collastoma pacificum Kozloff, 1953 | w | primary taxonomic authority (describer) |