Fig. 2: Schematic representation of Hox gene clusters in metazoan genomes.
From: The genome of Nautilus pompilius illuminates eye evolution and biomineralization

Comparison of chromosomal organization of Hox gene clusters of N. pompilius with other animals. Different Hox genes are labelled with coloured boxes. Double slashes indicate that the scaffold of the Hox cluster is non-contiguous or interrupted.