Abstract Background LIM homeobox (Lhx) transcription factors are unique to the animal lineage and have patterning roles during embryonic development in flies. nematodes and vertebrates. with a conserved role in specifying neuronal identity. Though genes of this family have been reported in a sponge and a cnidarian. https://www.chiggate.com/satisfyer-pro-penguin-next-generation-on-sale/