| observations on trichodinid ectoparasites (ciliophora: peritricha) from the gills of maricultured molluscs in china, with descriptions of three new species of trichodina ehrenberg, 1838. | during surveys of the trichodinid parasites in mariculture beds off the coast of shandong province, china, four species of the genus trichodina from the gills of marine molluscs were investigated and morphologically studied. of these, three are described as new: t. ruditapicis n. sp. from ruditapes philippinarum (veneridae), t. scapharcae n. sp. from scapharca subcrenata (arcidae) and t. mactrae n. sp. from mactra veneriformis (mactridae). one little-known species, t. macomarum raabe & raabe, 19 ... | 2000 | 10682920 |