Even in the closely-related lobster (Homarus) the mid-gut may be 2 or 3 in.
There is every reason to believe 2, Gastric teeth of common that, in the primitive Arthropoda, lobster, Homarus vulgaris.
Giesbrecht, displacing the older name Ascomyzontidae, assigns to this family 21 genera in five subfamilies, and suggests that the long-known but still puzzling Nicothoe from the gills of the lobster might be placed in an additional subfamily, or be made the representative of a closely related family.
- Abdominal Somite of a Lobster, separated and viewed from in front.
When the eye-stalk is removed from a living lobster or prawn, it is found that under certain conditions a many-jointed appendage like the flagellum of an antennule or antenna may grow in its place.