Lucinoidea

mollusk superfamily

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In bivalve: Evolution and paleontology
Representatives of the superfamily Lucinoidea are very different from all other bivalves, with an exhalant siphon only and an anterior inhalant stream. Some of these deposit feeders also possess, like the subclass Cryptodonta, sulfur-oxidizing bacteria in the ctenidia and are thought to have ancient origins, represented by the fossil…
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