? Decapodiformes | ||||||||||
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| [image] Juvenile cephalopod from Plankton Antarctica | ||||||||||
| Scientific classification | ||||||||||
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| Orders | ||||||||||
| Sepiida Sepiolida Spirulida Teuthida |
Decapodiformes is a superorder of Cephalopoda, which includes all species with ten limbs; the name derives from the Latin meaning ten feet. The ten limbs are divided into 8 arms and 2 tentacles. It is presumed that an ancestral coleoid had five identical pairs of limbs, and that one branch evolved a modified arm pair IV and became the Decapodiformes species. Another branch evolved and then eventually lost its arm pair II, becoming the Octopodiformes.
The superorder of Decapodiformes includes: