Sub-kingdom—Mollusca (soft animals).
| Class— | Class—Cephalopoda (feet around the head). Gasteropoda (belly-feet). Pteropoda (wing-like feet). Lamellibranchiata (with lamellated gills). Palliobranchiata (mantle-gilled). Tunicata (enveloped in a cloak). |
Sub-kingdom Radiata (radiated animals).
Nematoneura Acrita
(with thread-nerves) (with indistinct nerves).
Class—Radiaria (rayed animals).
Echinodermata Acalephæ
(having a spinous skin). (with a stinging skin).
Class—Polypi (polypes).
