FIGURE 4 in The order Tethyida (Porifera) in California: taxonomy, systematics, and the first member of the family Hemiasterellidae in the Eastern Pacific

FIGURE 4. Gene tree at the small ribosomal subunit (18S). Bootstrap values are shown for nodes with> 80% support; nodes with <50% support are collapsed. Orange = Tethya. Genbank accession numbers are shown; those beginning with MT, shown in bold, are new. Scale bar indicates substitutions per site.