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. 2016 Apr 18;117(7):1099–1109. doi: 10.1093/aob/mcw061

Table 2.

Numbers and percentages of species with host specialization (S) compared with the total number of herbivores (N) in marine shell-bearing molluscs.

Location N S Percentage Source
Aleutian Islands 40 10 25 Vermeij et al., 1990
Northern New England 8 2* 25 Vermeij collection
Washington State 86 12 14 Kozloff, 1987
Isefjord, Denmark 14 3 21 Rasmussen, 1973
South-central Chile 44 2 4.5 Aldea and Valdovinos, 2005
Jamaica 55 6 11 Vermeij collection
Western Panama 46 1 2.2 Vermeij collection
Guam 103 9 8.7 Vermeij collection
Palau 81 7 8.6 Vermeij collection

Includes the recently extinct eelgrass-associated limpet Lottia alveus (Carlton et al., 1991).