After Sogin & Patterson, 1995-1998 [“The Tree of Life”]

<==o Testaceafilosida
   |--o Gromiina
   |  |-- Gromiidae
   |  |-- Amphitremidae
   |  `-- Psammonobiotidae
   `--o Euglyphina Copeland, 1956 [Euglyphida Copeland, 1956, emend. Cavalier-Smith, 1997]
      |?- Ambullataria
      |?- Euglyphidion
      |?- Heteroglypha
      |?- Matsakision
      |--o Euglyphidae Wallich, 1864
      |  |-- Assulina
      |  |-- Euglypha
      |  |-- Placosista
      |  |-- Pareuglypha
      |  |-- Sphenoderia
      |  |-- Tracheleuglypha
      |  `-- Trachelocorythion
      |--o Trinematidae Hoogenraad & De Groot, 1940
      |  |-- Corythion
      |  |-- Deharvengia
      |  |-- Pileolus
      |  |-- Playfairina
      |  `-- Trinema
      |--o Cyphoderiidae de Saedeleer, 1934
      |  |-- Campascus
      |  |-- Corythionella
      |  |-- Cyphoderia
      |  |-- Messemvriella
      |  |-- Pseudocorythion
      |  `-- Schsudinnula
      `--o Paulinellidae de Saedeleer, 1934
         `-- Paulinella

Reference(s):