Gymnophiona, one of the three major extant orders of the class Amphibia. Its members are known as caecilians, a name derived from the Latin word caecus, meaning “sightless” or “blind.” The …

Gymnophiona - Caecilian, Amphibian, Classification: Living caecilian families are distinguished from one another by the presence or absence of a tail, amount of fusion of cranial bones, …

2024年7月9日 · Gymnophiona, being a crown group, consists of all modern caecilians and the descendants of their last common ancestor. More than 220 extant species are in this group, …

CAECILIANS: Gymnophiona PHYSICAL CHARACTERISTICS. Caecilians (sih-SILL-yuhns) are long, legless amphibians with a dual-action jaw. Some have tails, but most do not.

The Gymnophiona, or caecilians, are limbless amphibians (Fig. 5.18) that burrow underground in the soil. Most species are small and worm-like but some can reach lengths of 1.5 m. Because …

Gymnophiona Characteristics: •Limbless (pectoral & pelvic girdles absent) •Degenerate Eyes (most are fossorial) •Internal Fertilization (phallodeum) •Tropical Distribution •Earthworm like …

The list of species of Gymnophiona order<br><p><b>Caecilians</b> (; New Latin for "blind ones") are a group of limbless, vermiform or serpentine amphibians. They mostly live hidden in the …