Sampling site	No. of clones analyzed	Sequences classified as relatives to:
		Desulfovibrio acrylicus	Desulfo-microbium	Desulfohalo-bium utahense	Desufococcus oleovorans	Desulfobacterium autotrophicum	Desulfo-bulbus	Desulfotalea psychrophila
		No. of clones (%)/sequence similarity within the group in %/sequence similarity to the next relative in %
PERU MARGIN
3.6 mbsf	32			1 (3)/100/87	5 (16)/100/77			1 (3)/100/76
65.3 mbsf	24				2 (8)/100/84	2 (8)/100/99
121.4 mbsf	50	10 (20)/100/99		2 (4)/100/84		18 (36)/100/99	1 (2)/100/87
BLACK SEA
0.15 mbsf	31		1 (3)/100/84–87		15 (48)/78–96/84–85
2.7 mbsf	51							51 (100)/100/69
4.5 mbsf	18				13 (72)/100/81	1 (6)/100/100
5.8 mbsf	23		1 (4)/100/82		2 (9)/100/86	4 (18)/97/97–100