Position in a system
| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Unikonta |
| system | Opisthokonta Cavalier-Smith, 1987 |
| kingdom | Animalia Linnaeus, 1758 - animals |
| subregnum | Eumetazoa Butschli, 1910 |
| divisio | Bilateria Hatschek, 1888 |
| subdivisio | Protostomia Grobben, 1908 - protostomes |
| phylum | Arthropoda - Arthropods |
| subphylum | Crustacea Brünnich, 1772 - Crustaceans |
| class | Maxillopoda Dahl, 1956 |
| subclass | Thecostraca |
| infraclass | Cirripedia Burmeister, 1834 - barnacles |
| superorder | Thoracica |
| order | Sessilia Lamarck, 1818 |
| suborder | Balanomorpha Pilsbry, 1916 |
| superfamily | Tetraclitoidea Gruvel, 1903 |
| family | Bathylasmatidae Newman & Ross, 1971 |
| subfamily | Hexelasmatinae |
| genus | Aaptolasma Newman & Ross, 1971 |
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