Redescriptions of four species of Otobothrium Linton, 1890 (Cestoda: Trypanorhyncha), including new records from Australia, New Caledonia and Malaysia, with the description of O. parvum n. sp. Author Beveridge, Ian Author Justine, Jean-Lou text Zootaxa 2007 1587 1 25 journal article 10.5281/zenodo.178495 3bf59919-dcf6-4a06-94fc-0cfe98d28ad8 1175-5326 178495 Otobothrium minutum Subhapradha, 1955 Types : none indicated in original description. Type host: Rhizoprionodon acutus (Rüppell, 1837) . Type locality: Madras, India . Site in host: spiral valve. Remarks. The original description of this species is limited ( Subhapradha 1955 ) with no illustrations of the mature segment. However, the description of the segment with no testes posterior to the ovary appears to be a key distinguishing feature of the species. A specimen in USNPC (9016) identified as O. crenacolle by Linton (1909) from Carcharhinus leucas (Valenciennes) (syn. C. platyodon Poey ), collected in the Dry Tortugas , Florida, conforms with the description of O. minutum rather than that of O. crenacolle . However, the tentacles of this specimen are not everted and hence its identification remains uncertain. It does confirm Subhapradha’s description (1955) of a species with no testes posterior to the ovary, a distinctive feature within the genus. Consequently, O. minutum is considered to be a valid but poorly described species characterised by the lack of testes posterior to the ovary.