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Dichotomous Key/Cetacea
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Cetacea Animalia Chordata Vertebrata Mammalia Placentalia Cetacea
Mammalia Mammalia Subclasses ../Marsupialia/ - ../Monotremata/ - ../Placentalia/ Mammalia Orders ../Afrosoricida/ - ../Artiodactyla/ - ../Carnivora/ - ../Cetacea/ - ../Chiroptera/ - ../Dermoptera/ - ../Insectivora/ - ../Lagomorpha/ - ../Macroselidae/ - ../Marsupialia/ - ../Monotremata/ - ../Perissodactyla/ - ../Pholidota/ - ../Primates/ - ../Proboscidea/ - ../Rodentia/ - ../Scandentia/ - ../Sirenia/ - ../Xenarthra/
1
Teeth present
No, has baleen plates - #2: Mysticeti
Yes - #6: Odontoceti
2: Mysticeti
Series of longitudinal folds of skin running from below the mouth back to the navel
Present - #4: Balaenopteridae
Not present - #3
Glossary for this page (all links are to Wikipedia articles)Baleen:Callositities:
3
Gumline
White - Caperea marginata
Other color - #5
4: Balaenopteridae
Hump on back
Present - Humpback whale, Megaptera novaeangliae
Not present - ../Balaenoptera/
5
Callositities
Numerous - ../Eubalaena/
Few - Eschrichtius robustus
6: Odontoceti
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