| 1. | The chemosensory organs of opisthobranch marine gastropods are called rhinophores.
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| 2. | These are holoplanktonic opisthobranch molluscs belonging to the family Cymbuliidae.
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| 3. | The marine opisthobranch gastropod mollusks, the sole genus belonging to the family Cliidae
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| 4. | "' Acteocinidae "'is a marine opisthobranch gastropod mollusks.
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| 5. | The "'Notobranchaeidae "'are a taxonomic marine opisthobranch gastropod mollusks.
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| 6. | These are headshield slugs or cephalaspideans, marine opisthobranch gastropod mollusks in the family Aglajidae.
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| 7. | Opisthobranch gastropods are hermaphrodites, as are the pulmonates, however opisthobranchs do not have love darts.
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| 8. | "' Tylodinidae "'is a marine opisthobranch gastropod mollusks in the superfamily Umbraculoidea.
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| 9. | This extremely small, shell-less species of opisthobranch gastropod is found in the Solomon Islands.
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| 10. | The "'Pneumodermatidae "'are a heterobranch opisthobranch gastropod mollusks in the clade Gymnosomata.
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