Description: Hemitoma emarginata ostheimerae Abbott, 1958 - interior view of a beachworn frilly emarginate emarginula shell, 1.8 cm long. Anterior at the top and posterior at the bottom. Family Fissurellidae - limpets use their radulae to scrape algae from hard substrates. They typically occupy rock intertidal shorelines. Date: 5 March 2011, 00:30. Source: Hemitoma emarginata ostheimerae (frilly emarginate emarginula) (San Salvador Island, Bahamas) 2. Author: James St. John.
Description: Hemitoma emarginata ostheimerae Abbott, 1958 - exterior view of a beachworn frilly emarginate emarginula shell, 1.8 cm long. Anterior at the top and posterior at the bottom. Family Fissurellidae - limpets use their radulae to scrape algae from hard substrates. They typically occupy rock intertidal shorelines. Date: 5 March 2011, 00:30. Source: Hemitoma emarginata ostheimerae (frilly emarginate emarginula) (San Salvador Island, Bahamas) 1. Author: James St. John.