Sampling site		Desulfacinum/Syntrophobacter	Desulfoarculus baarsii	Archaeoglobus fulgidus	Cluster A (see Fig. 3)	Cluster B (see Fig. 3)
		No. of clones (%)/sequence similarity within the group in %/sequence similarity to the next relative in %
PERU MARGIN
3.6 mbsf		6 (19)/100/79				19 (59)/74–76
65.3 mbsf		2 (8)/100/79–80				18 (75)/71–87
121.4 mbsf		1 (2)/100/82–83				18 (36)/74–93
BLACK SEA
0.15 mbsf			2 (7)/100/72	2 (7)/100/71	5 (16)/91	6 (19)/79
2.7 mbsf
4.5 mbsf						4 (22)/68–70
5.8 mbsf			1 (4)/100/91		1 (4)/100	14 (61)/72–78