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Geographical grouping of species

This review considers 71 species of small cetaceans and is organised on a taxonomical basis (Rice, 1998). For the aims of CMS, a geographical classification is attempted here. Because cetaceans know no boundaries, I have grouped the range maps of the species accounts into 9 geographical categories. However, the categories are not exclusive and a species may be found in more than one area. Please see individual species accounts for details (c.f. "contents").

A. Worldwide Temperate and Tropical Oceans

Delphinus delphis
Delphinus capensis
Feresa attenuata
Globicephala macrorhynchus
Grampus griseus
Kogia breviceps
Kogia sima
Lagenodelphis hosei
Mesoplodon densirostris
Orcinus orca
Peponocephala electra
Physeter macrocephalus
Pseudorca crassidens
Stenella attenuata
Stenella longirostris
Stenella coeruleoalba
Steno bredanensis
Tursiops truncatus
Ziphius cavirostris

B. North Atlantic Ocean

Delphinapterus leucas
Globicephala melas
Hyperoodon ampullatus
Lagenorhynchus albirostris
Lagenorhynchus acutus
Mesoplodon mirus
Mesoplodon bidens
Monodon monoceros
Orcinus orca
Phocoena phocoena
Physeter macrocephalus

C. Tropical Atlantic Ocean

Mesoplodon europaeus
Sousa teuszii
Stenella frontalis
Stenella clymene

D. South Africa only

Cephalorhynchus heavisidii

E. South America only

Cephalorhynchus commersonii
Cephalorhynchus eutropia
Inia geoffrensis
Lagenorhynchus australis
Phocoena spinipinnis
Pontoporia blainvillei
Sotalia fluviatilis

Sotalia guianensis

F. General Pacific and Indian Ocean

Mesoplodon gingkodens

G. North and Eastern Pacific Ocean

Berardius bairdii
Delphinapterus leucas
Lagenorhynchus obliquidens
Lissodelphis borealis
Mesoplodon carlhubbsi
Mesoplodon peruvianus
Mesoplodon perrini
Mesoplodon stejnegeri
Orcinus orca
Phocoena phocoena
Phocoena sinus
Phocoenoides dalli
Physeter macrocephalus

H. Western Pacific and Indian Ocean

Cephalorhynchus hectori
Indopacetus pacificus
Lipotes vexillifer
Mesoplodon mirus
Mesoplodon bowdoini
Mesoplodon traversii

Neophocaena phocaeonoides
Orcaella brevirostris
Orcaella heinsohni
Platanista gangetica
Sousa chinensis

I. Southern Ocean

Berardius arnuxii
Globicephala melas
Hyperoodon plaifrons
Lagenorhynchus obscurus
Lagenorhynchus cruciger
Lissodelphis peronii
Mesoplodon hectori
Mesoplodon grayi
Mesoplodon layardii
Orcinus orca
Phocoena dioptrica
Physeter macrocephalus
Tasmacetus shepherdi

© Boris Culik, Kiel, Germany, 2010



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