| calliobothrium spp. (eucestoda: tetraphyllidea: onchobothriidae) in mustelus schmitti (chondrichthyes: carcharhiniformes) from argentina and uruguay. | three species of calliobothrium inhabit the spiral intestine of mustelus schmitti in argentina and uruguay. calliobothrium verticillatum australis is redescribed and its taxonomic status modified to species as c. australis. calliobothrium barbarae n. sp. can be distinguished from all other species of calliobothrium, which are small bodied, nonlaciniate, and without accessory piece between the bases of axial hook, by worm length, number of segments, cocoon morphology, and hooks shape. calliobothr ... | 2002 | 12537115 |