| 31. | The living siphonariids are all marine pulmonates, false sea limpets that breathe air.
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| 32. | This limpet is up to 41 millimeters long.
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| 33. | In early Holocene, limpets were the dominant species represented within the midden levels.
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| 34. | Sharp steering and limpet cornering give uncanny responses, modest body roll and terrific composure.
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| 35. | However, many other members of the Vetigastropoda do not have the morphology of limpets.
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| 36. | The true limpets have an internal structure much like that of other members of Mollusca.
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| 37. | Limpets can be long lived, with tagged specimens surviving for more than 10 years.
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| 38. | There are some enoplan species known to feed upon barnacles, limpets, and polychaetes.
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| 39. | This foot exerts a strong suction, adhering the keyhole limpet to its hard substratum.
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| 40. | The families in this clade are basically air-breathing freshwater snails including freshwater limpets.
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