The Coolest EarthwormAuthor: Laurel Green Date: November 22nd, 2013 Time: 9:24 PM Modified: 2020-12-30T08:01:27-05:00 Category: Digital Sketch Pad Tags: Invertebrates, Wig Comments: 0Looking sharp!That nubby bit in the middle of an earthworm is called a “clitellum”.TwitterTumblrRedditPinterestFacebookNavigation:First Post in Invertebrates: WormPrevious Post in Invertebrates: JellyfishReturn to: InvertebratesNext Post in Invertebrates: Jellyfish with a GunLast Post in Invertebrates: Worm Head