Dodatak:Popis krakača, M
Me
urediMegarhethus Child, 1982
uredi- Megarhethus brevicheliferus (Hedgpeth, 1948)
Animalia → Arthropoda → Pycnogonida → Pantopoda → Ascorhynchoidea → Ammotheidae
Mi
urediMimipallene Child, 1982
uredi- Mimipallene atlantis Child, 1982
Animalia → Arthropoda → Pycnogonida → Pantopoda → Ascorhynchoidea → Ascorhynchoidea incertae sedis