>>1983489>considering they all construct trapdoorsthey don't, I think Ctenizidae is the only family with spiders that all make trapdoors.
all others just have a few members that make tube-like structures, they often don't even resemble those of Ctenizidae.
that might be why they're considered the 'true' trapdoors, otherwise I can't see the logic behind it but then again there might be none if
>it was glued on it later by someone who doesn't understand arachnology.is true.
I wouldn't call anything but Ctenizidae a trapdoor, just like I wouldn't call anything but Bufonidae a toad.