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| | Cetacea - Toothed Whales - River Dolphins (Site not responding. Last check: 2007-10-22) |
 | | Ten families are featured within the suborder Odontoceti, with over seventy species currently recognised. |
 | | These families are Physeteridae (sperm whales), Kogiidae (pygmy and dwarf sperm whales), Monodontidae (narwhals and belugas), Ziphiidae (beaked whales), Delphinidae (true dolphins), Phocoenidae (porpoises), Iniidae (botos), Pontoporiidae (fransiscanas), Lioptidae (baijis) and Plantanistidae (South Asian river dolphins). |
 | | River dolphins live either entirely or partly in freshwater. |
| www.cetacea.org /new/species/riverdolphins.php (181 words) |
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