True vs Primitive. Oftentimes people are confused when I say that tarantulas or other Mygalomorphs aren’t “true” spiders, so let me explain. True spiders are a taxonomic group of spiders that includes groups like orb weavers, huntsman spiders, widow spiders and wolf spiders. They’re characterized by different morphology and have a handful of key differences when compared against the primitive spider group Mygalomorphae. Mygalomorphae includes groups such as trapdoor spiders, funnel webs and tara