Elasmonematidae † Family Eucochlidae † Family Microdomatidae † Family Proconulidae Family Solariellidae † Family Tychobraheidae † Family Velainellidae Superfamily
Elasmonematidae † Family Eucochlidae † Family Microdomatidae † Family Proconulidae † Family Tychobraheidae † Family Velainellidae Phasianelloidea Phasianellidae