<Tr> <Th_colspan="2"> Synonyms </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Manta hamiltoni Hamilton & Newman, 1849 </Li> <Li> Raja birostris Donndorff, 1798 </Li> </Ul> </Td> </Tr> <Ul> <Li> Manta hamiltoni Hamilton & Newman, 1849 </Li> <Li> Raja birostris Donndorff, 1798 </Li> </Ul> <Li> Manta hamiltoni Hamilton & Newman, 1849 </Li>

What is the largest manta ray on record