the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Annelida > [noun] > class Hirudinea > member of genus Pontobdella
sea-leecha1682
skate-suckera1832
skate-leech1882
1882 Encycl. Brit. XIV. 404 The best-known example is the skate-leech (Pontobdella muricata, L.), which is olive-coloured and dusted with whitish grains.