Table 2.

Proportions of elements, radular length, area, quantity of tooth rows for the species foraging on certain ingesta types.

Parameter	Ingesta type
	Soft			Soft to solid			Medium			Medium to solid			Solid
	Mean	SD	N	Mean	SD	N	Mean	SD	N	Mean	SD	N	Mean	SD	N
Proportions of all elements, atomic %	1.88	2.80	64/64	2.99	2.40	348/348	5.58	6.24	164/164	3.97	2.39	122/122	6.33	12.50	688/688
Radular length, µm	1964.00	241.55	5	5901.28	3945.67	20	7704.29	6710.08	9	20,128.88	2923.74	5	7911.95	8319.09	24
Radular area, µm2	702,397	45,924	5	7,406,442	7,723,878	19	25,206,904	26,887,891	9	15,106,455	6,172,958	5	6,144,306	8,488,474	24
N of tooth rows	59	24	5	92	53	20	62	43	9	241	38	5	97	53	24
Fe-proportion, atomic %	0.00	0.00	0/64	0.00	0.00	0/348	0.00	0.00	0/164	0.34	0.15	62/122	13.69	10.17	120/688
Mg-proportion, atomic %	0.34	0.24	41/64	0.15	0.11	237/348	0.68	0.43	114/164	0.28	0.27	85/122	0.42	0.62	426/688
Ca-proportion, atomic %	3.11	2.49	12/64	1.22	1.27	317/348	3.15	3.22	150/164	1.12	1.03	118/122	1.84	1.80	561/688
P-proportion, atomic %	0.69	0.95	22/64	1.29	1.12	264/348	1.91	2.06	132/164	0.63	0.62	112/122	1.11	1.64	405/688
Cl-proportion, atomic %	0.26	0.43	27/64	0.42	0.41	256/348	0.98	0.27	6/164	0.16	0.18	66/122	0.21	0.15	248/688
F-proportion, atomic %	0.00	0.00	0/64	0.00	0.00	0/348	0.65	0.74	136/164	0.28	0.24	44/122	0.38	0.48	156/688
Si-proportion, atomic %	0.00	0.00	0/64	0.22	0.20	116/348	0.74	0.58	24/164	0.50	0.46	120/122	7.39	10.40	83/688
Cu-proportion, atomic %	0.00	0.00	0/64	0.19	0.12	94/348	0.00	0.00	0/164	0.00	0.00	0/122	0.33	0.17	52/688
S-proportion, atomic %	0.62	1.05	40/ 64	0.36	0.25	241/348	0.22	0.20	69/164	0.32	0.20	104/122	0.38	0.52	349/688
Na-proportion, atomic %	0.38	0.28	58/64	0.22	0.22	174/348	0.22	0.31	69/164	0.14	0.12	64/122	0.66	0.70	230/688
K-proportion, atomic %	0.02	0.01	14/64	0.08	0.08	24/348	0.09	0.08	10/164	0.09	0.08	6/122	0.39	0.40	40/688

N, quantity of teeth that contain the element, or quantity of radulae studied.