This family includes the genera
Parasmittina page at NMITA
Pleurocodonellina page at NMITA
Smittina page at NMITA
Smittoidea page at NMITA
Parasmittina trispinosa at Encyclopedia of Marine Life of Britain and Ireland.
Smittoidea prolifica - from San Francisco, at the California Academy of Sciences.
Smittoidea prolifica - from the California Biota Website.