After Siegel, 2013

<==o Euphausiacea Dana, 1852 (krills; krilliäyriäiset)
   |-- Bentheuphausia amblyops (Sars, 1883) Sars, 1885 [Thysanopoda amblyops Sars, 1883] [Bentheuphausiidae Colosi, 1917]
   `--o Euphausiidae Dana, 1852
      |?- Boreophausia
      |?- Cyrtopia
      |-- Euphausia Dana, 1850
Species Thysanopoda bidentata accepted as Euphausia krohnii (Brandt, 1851)
      |-- Meganyctiphanes Holt & Tattersall, 1905
Species Thysanopoda norvegica accepted as Meganyctiphanes norvegica (M. Sars, 1857)
      |-- Nematobrachion Calman, 1905
      |?- Nematodactylus
      |-- Nematoscelis Sars, 1883
      |-- Nyctiphanes Sars, 1883
      |?- Parathysanopoda
      |-- Pseudeuphausia Hansen, 1910
      |?- Rhoda
      |-- Stylocheiron Sars, 1883
      |-- Tessarabrachion Hansen, 1911
      |-- Thysanoessa Brandt, 1851
Species Thysanopoda inermis accepted as Thysanoessa inermis (Krøyer, 1846)
Species Thysanopoda neglecta accepted as Thysanoessa inermis (Krøyer, 1846)
Species Thysanopoda raschii accepted as Thysanoessa raschii (M. Sars, 1864)
      `--o Thysanopoda Milne-Edwards, 1830
         |-- T. acutifrons Holt & Tattersall, 1905 [T. dubia; T. johnstoni]
         |-- T. aequalis Hansen, 1905 [T. subaequalis Boden, 1954]
         |-- T. astylata Brinton, 1975
         |-- T. cornuta Illig, 1905 [T. insignis]
         |-- T. cristata Sars, 1883 [T. biproducta]
         |-- T. egregia Hansen, 1905
         |-- T. microphthalma Sars, 1885  [T. distinguenda Hansen, 1905]
         |-- T. minyops Brinton, 1987
         |-- T. monacantha Ortmann, 1893 [T. agassizi; T. ctenophora; T. lateralis; T. mansui; T. monocantha Ortmann, 1893]
         |-- T. obtusifrons Sars, 1883 [T. vulgaris]
         |-- T. orientalis Hansen, 1910
         |-- T. pectinata Ortmann, 1893
         |-- T. spinicaudata Brinton, 1953
         `-- T. tricuspidata Milne-Edwards, 1837 [T. tricuspida]

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