- Archisoma natans Bigelow, 1911 accepted as Nectopyramis natans (Bigelow, 1911)
- Nectadamas diomedeae (Bigelow, 1911)
- Nectadamas richardi Pugh, 1992
- Nectopyramis diomedeae Bigelow, 1911 accepted as Nectadamas diomedeae (Bigelow, 1911)
- Nectopyramis natans (Bigelow, 1911)
- Nectopyramis spinosa Sears, 1952 accepted as Nectopyramis natans (Bigelow, 1911)
- Nectopyramis thetis Bigelow, 1911