CLASSES PAUROPODA AND SYMPHYLA

CLASSES PAUROPODA AND SYMPHYLA

Class Pauropoda (pauros, small + podus, foot): Members of the class Pauropoda are soft-bodied. They have 11 segments. These animals live in forest-floor liter. They feed on Fungi, humus and other decaying organic matter. They have very small size and thin, moist exoskeleton. It allows gas exchange across the body surface. Similarly, it also allows diffusion of nutrients and within the body cavity.

Class Symphyla (sym, same + phylios, leaf): Members of the class Symphyla are small arthropods. They are about 2 to 10 mm in length. They occupy soil and leaf mold. They superficially resemble centipedes. These are often called garden centipedes. They lack eyes. Theyhave 12 leg bearing trunk segments. The posterior segment has one pair of spinnerets or long sensory bristles. Symphyans feed on decaying vegetation. However, some species are pests of vegetables and flowers.


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