Fig. 5: Metazoan g-type lysozymes cluster predominantly into a single clade and are present in six animal phyla.
From: An ancient lysozyme in placozoans participates in acidic extracellular digestion

A Phylogenetic tree of 1428 glycoside hydrolase family 23 sequences from all domains of life and B expanded tree branch containing all metazoan sequences. Colors indicate host groups, orange dots show phylogenetic support (aLRT).