The spermatozoon of the jellyfish Nausithoë.
D000818:Animals; D002462:Cell Membrane; D002467:Cell Nucleus; D002923:Cilia; D003063:Cnidaria; D005407:Flagella; D002479:Inclusion Bodies; D008297:Male; D008854:Microscopy, Electron; D008870:Microtubules; D008928:Mitochondria; D009940:Organoids; D013094:Spermatozoa / Q000166:cytology*