I don't know what "Ligottian" means, therefore I don't know exactly if I should remain silent or maybe not and I should add a few silly thoughts on this subject. There was an Argentine poet, Alejandra Pizarnik (I added three of her dark poems, and a link to some more, and her biography online
Dark Poetry - Page 34 - THE NIGHTMARE NETWORK), she died at 36, apparently suicide. This fragment from the same link could be Ligottian literature, but at that time Ligotti was just a small kid playing with toys.
"A subterranean world of creatures with unfinished shapes, a place of gestation a swarm of arms, of trunks, of faces, and the dolls' hands suspended like leaves on the cold stringy trees flapped and resonated moved by the wind."
Alejandra Pizarnik