Annals of the South African Museum, Volumes 51-52

abdominal adductor adult animals antennal anterior appears appendages arises artery Astacus attached base blood body branch broad Cape carapace cardiac cells closely coast comparable consists Crustacea Decapoda described differences distal dolphin dorsal Durban ecdysis edge Family females fibres Fish forward fossil gland head indicated inner inserted Jasus lalandii lateral length lirae lobe male mandible margin material maxilliped measurements medial membrane moult muscle Museum narrow nerve oblique observed occur organs origin ossicle outer pair passes pereiopods period plates Pleistocene Point posterior present probably proximal range recorded references region relatively remotor ridge rock lobsters rostrum seems segment separated setae shell short side similar sinus slightly South African species specimens spines strong structure suggested surface teeth tendon third thoracic transverse tuna usually valve ventral vessels wall