| 21. | Some species ( excluding " Planctoteuthis " ) are olfactory papillae.
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| 22. | The female vent is not so large and often smoother without papillae folds.
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| 23. | Males have eight caudal papillae encompassing the anus on their bluntly rounded ends.
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| 24. | A gene altering the density of fungiform papillae may provide this second factor.
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| 25. | In addition, the tongue is long, extendable and covered in papillae.
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| 26. | The eyes are located at the base of the antenna on flat papillae.
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| 27. | The glossopharyngeal nerve innervates a third of the tongue including the circumvallate papillae.
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| 28. | The 20 gills are situated around the anal papillae and are somewhat shorter.
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| 29. | Diagnosis : The teleoconch is with conspicuous sutural papillae.
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| 30. | There are no tentacles or papillae over the eyes.
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