- European lobster - similar to but smaller than American lobsters
--1 is a kind of lobster
--1 is a member of European lobster, Homarus vulgaris- European lobster, Homarus vulgaris - lobster of Atlantic coast of Europe
--2 is a kind of true lobster
--2 is a member of Homarus, genus Homarus
--2 has members: European lobster - European lobster, Homarus vulgaris - lobster of Atlantic coast of Europe