Portal:Gastropods/Did you know/4

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  Arion ater

  ... that Black slugs Arion ater (pictured) were used as axle-grease in Sweden?

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  apertural view of Xerocrassa geyeri

  ... that the active dispersal capacity of Xerocrassa geyeri (shell pictured) is about 3 metres during its one-year lifetime?

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  A shell of Eustrombus goliath

  ... that the Goliath conch, Eustrombus goliath (shell pictured), is the largest of all the true conchs?

• ... that the family Eoacmaeidae is the most basal group within the Patellogastropoda?

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  Onchidella nigricans

  ... that there is currently no living malacologist who can correctly identify all the species of Onchidiidae (pictured: Onchidella nigricans)?