TABLE 2. Skeletal cover of upper and cryptic surfaces of the hardground.

	Taxa	Upper surface community (708 cm2 mapped)			Cryptic community (110 cm2 mapped)
		Area covered cm2	% of area covered	% of skeletal cover	Area covered cm2	% of area covered	% of skeletal cover
	Sheet-like trepostome bryozoans	6.80	1.0	63.3	6.50	5.9	92.3
	Microconchids	3.02	0.4	28.1	0.25	0.2	3.6
	Anticalyptraea calyptrata	0.66	0.1	6.1	0.22	0.2	3.1
	Crinoid discoid holdfasts	0.16	0.02	1.5	0.03	0.03	0.4
	Unidentified calcareous remains (brachiopod?)	0.06	0.008	0.6	0.04	0.04	0.6
	Cornulites sp.	0.04	0.006	0.4	-
	Total area covered by fossils	10.74 cm2 (1.5 %)			7.04 cm2 (6.4 %)