Ancorinida accepted as Tetractinellida (original description)
Craniellida accepted as Tetractinellida (original description)
Desmacidonitida accepted as Heteroscleromorpha (original description)
Dicranocladina accepted as Tetractinellida (additional source)
Keratosida (original description)
Megamorina accepted as Tetractinellida (additional source)
Plakinida accepted as Homosclerophorida (original description)
Poecillastrida accepted as Tetractinellida (original description)
Rhizomorina accepted as Tetractinellida (additional source)
Sphaerocladina (additional source)
Spirastrellida accepted as Heteroscleromorpha (original description)
Tetracladina accepted as Tetractinellida (additional source)