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Belonging families:
1) Antilocapridae (1 species)
2) Balaenidae (1 species)
3) Balaenopteridae (6 species)
4) Bovidae (54 species)
5) Camelidae (2 species)
6) Cervidae (22 species)
7) Delphinidae (12 species)
8) Giraffidae (1 species)
9) Hippopotamidae (1 species)
10) Iniidae (2 species)
11) Kogiidae (1 species)
12) Phocoenidae (2 species)
13) Physeteridae (1 species)
14) Pontoporiidae (1 species)
15) Suidae (3 species)
16) Tayassuidae (3 species)