Plate showing the shells of three species of sea snails in the family Muricidae, classified by the author in the genus Monoceros.
The name assigned by the author is given first, followed by the current name in parentheses:
- 5. Monoceros unicarinatum (Acanthinucella spirata)
- 6. Monoceros costatum (Acanthina monodon)
- 7. Monoceros fusoides (Chorus giganteus)