"Littorina obtusata var. aestuarii Jeffreys, 1869" . . "588981" . . "Littorina obtusata var. aestuarii" . . . "Littorina obtusata var. aestuarii" . . "445833" . . _:b76650507 "445833" . . . . . _:b76650507 . _:b76650507 . "Jeffreys, 1869" . _:b76650507 . _:b76650507 "WoRMS id" .