Site 		Area (m2)	Counted shells	Total ratio (valves/m2)	Substrate 									
						Dive	1 and 2	1	1a	3	163	54	Sparse shells accumulation on the seafloor									
						Station 	Levant Channel 		1b	4	130	33	Bacterial mats. Sediment colour blue-yellow-white.									
									1c	3	368	123	Authigenic carbonate crusts. Articulated bivalve shells.									
						Latitude 	32°09.866'N		1d	5	616	123	"Chimney like structures, and spread accumulation on the surrounding seafloor. Articulated bivalve shells present. "									
						Longitude	34°06.915'E	2		4	465	116	Bacterial mats									
						Depth (m)	1241	3		1	134	134	Chimney-like carbonate structure									
								4		2.5	117	47	Bacterial mats									
								5		5.5	n.d.	n.d.	Bacterial mats 									
										28	1993	90.0	"Total values of area, counted shells and density"									
						Dive	3	7	7a	3	106	35	Authigenic carbonate crusts and sparse accumulation on the seafloor									
						Station 	Palmahim pockmark 		7b	6	119	20	"Large authigenic carbonate crusts (12.5 m2), Living tubeworms, anemones and crabs."									
								8		1.5	149	99	Large authigenic carbonate crusts (6.5 m2). Living tubeworms at the base of the crusts. Spots of darker sediments.									
						Latitude 	32°09.652'N	9		2	114	57	Large authigenic carbonate crusts (11 m2). Living tubeworms. 									
						Longitude	34°10.066'E	10		0.5	n.d.	n.d.	Authigenic carbonate crust									
						Depth (m)	1047	11		1	205	205	Large authigenic carbonate crust (12 m2). Most shells accumulated at the base of the carbonate crust.									
										14	693	83.3	"Total values of area, counted shells and density"									
						Dive	9	12	12a	4	402	101	"Area with authigenic carbonate crusts and shells sparse on the seafloor. Well preserved articulated and poorly preserved bivalves. Presence of fishes, crabs and Tubeworms. Bioturbated sediment, no bacterial mats. "									
						Station 	Gal C pockmarks		12b	2	754	377										
									12c	1.5	261	174										
									12d	n.d.	n.d.	n.d.	Authigenic carbonate crusts									
									12e	1	n.d.	n.d.										
									12f	0.4	18	45										
								12.1	12.1a	6.5	n.d.	n.d.	"Wide area (49m2) with authigenic carbonate crusts and sparse shells on the seafloor, in some cases old, reworked. "									
						Latitude 	32°14.341'N		12.1b	4.5	373	83										
									12.1c	1.2	83	69										
						Longitude	33°42.974'E		12.1d	3	259	86										
						Depth (m)	1171		12.1e 	4	548	137										
									12.1f	n.d.	n.d.	n.d.										
								13	13a	2	n.d.	n.d.	Authigenic carbonate crusts and a crust with visible stratification. Low density shells accumulation on the seafloor.									
									13b	6.5	214	33										
								14	14a	6.5	69	11	Authigenic carbonate crusts partially buried by sediments and shells sparse on the seafloor									
									14b	0.5	44	88										
								15		2.5	70	28	Authigenic carbonate crusts									
								16		9.5	622	65	"Authigenic carbonate crusts, with preserved stratification. Presence of crabs, tubeworms, and echinods. Bacterial mats."									
								17	17a	4	84	21	"Sparse presence of shells (old, reworked) on bioturbated sediments"									
									17b	0.3	58	193	bivalve shells on altered sediment 									
								18		8	521	65	Authigenic carbonate crusts and bacterial mats. Living tubeworms. 									
								19		21	2048	98	"Wide area with authigenic carbonate crusts, bioturbated sediment and bacterial mats. Several articulated bivalves."									
								20	20a	8	748	94	Authigenic carbonate crusts.									
									20b	1	n.d.	n.d.	Sparse shells on the seafloor close to carbonate crusts									
								21		1.5	187	125	Authigenic carbonate crusts.									
								22		1	n.d.	n.d.	Small patches of altered sediments occuring together with bacterial mats. 									
								23		45.5	5210	115	Wide area (with authigenic carbonate crusts and bacterial mats. No defined clusters are observed.									
								24		4	175	44	Authigenic carbonate crusts. Articulated bivalves.									
								25	25a	1	n.d.	n.d.	Wide area with authigenic carbonate crust and altered sediment. Bivalves co-existing with crabs and echinods. Articulated bivalves present.									
									25b	1.5	n.d.	n.d.										
									25c	2	356	178										
									25d	3	453	151										
									25e	1	210	210										
									25f	1	57	57										
								26	26a	5	112	22	Authigenic carbonate crusts and altered sediments. Articulated bivalves present.									
									26b	2	n.d.	n.d.										
										166.4	13936	103	"Total values of area, counted shells and density"