Its eight teeth are disproportionately large , with a length of up to 0.13 mm , which inspired discoverers of the species to use a name reminiscent of Tyrannosaurus rex .
Unlike related leeches , Tyrannobdella rex has a single jaw with one row of teeth .
Tyrannobdella rex 's eight teeth are disproportionately large , with a length of up to 0.13 mm , which inspired discoverers of the species to use a name reminiscent of Tyrannosaurus rex .
Unlike related leeches , Tyrannobdella rex has a single jaw with one row of teeth .