From: Molecular evolution of rDNA in early diverging Metazoa: First comparative analysis and phylogenetic application of complete SSU rRNA secondary structures in Porifera
Calcarea (n = 48)
Demospongiae (n = 109*)
Hexactinellida (n = 5**)
Helix
bp (range)
10
22.8 (21–26)
21.9 (20–30)
36.0 (35–37)
E10_1
55.4 (54–64)
61.6 (55–74)
75.4 (67–80)
43
49.1 (49–50)
49.5 (48–55)
91.5 (72–101)