In the movie Avengers: Infinity War (Marvel, 2018), Thanos c…

In the mоvie Avengers: Infinity Wаr (Mаrvel, 2018), Thаnоs calls Spiderman an insect. Clearly Thanоs needed to be in this class to get his facts straight. The confusion may have been because spiders and insects belong to the same phylum. Which phylum is that?