Scaphopods are gonochoristic or dioecious. Eggs are released singly through the right nephridium. Sperm is also released through the nephridium. Eggs are planktonic and fertilization is external.
Key Reproductive Features: gonochoric/gonochoristic/dioecious (sexes separate); sexual ; fertilization (External ); oviparous
There is no parental investment after release of gametes.
Parental Investment: pre-fertilization (Provisioning)