I'm very new to Blender and I have this phantom vertices/edge in my mesh. I cannot manage to click and delete it like I would a normal point in space, it also does not seem to effect the structure when I'm viewing it with a texture. Could someone explain how it possibly got there and how to get rid of it?

I apologize for the sloppy pictures. Thank you!

I'm very new to Blender and I have these phantom vertices/edges in my mesh. The vertices are visible in Object Mode and but not in Edit Mode, so I cannot manage to select and delete them like I would a normal point. It also does not seem to affect the structure when I'm viewing it with a texture. Could someone explain how it got to be like this and how to get fix it?

Thank you!