An illustration shows a heirarchial group formation with 7 groups from bottom to top is as follows :

1. KINGDOM Animalia shows a Bactrian camel, Dromedary, Llama, Giraffe, Abert's squirrel, Coral snake and a Sea star.
2. PHYLUM Chordata shows Bactrian camel, Dromedary, Llama, Giraffe, Abert's squirrel and a Coral snake.
3. CLASS Mammalia shows a Bactrian camel, Dromedary, Llama, Giraffe and Abert's squirrel.
4. ORDER Artiodactyla shows a Bactrian camel, Dromedary, Llama and a Giraffe.
5. FAMILY Camelidae shows a Bactrian camel, Dromedary and Llama.
6. GENUS Camelus shows a Bactrian camel and a Dromedary.
7. SPECIES Camelus bactrianus shows a Bactrian camel.