Appendicular skeleton

Question 1

Skeletal complex behind the head that articulates with the cranial fins or limbs

are present in ostracoderms although presence of girdles is unknown

of extant animals are derivatives of the girdles of Devonian fishes

Answer 1

Pectoral Girdle

Question 2

animals where the Pectoral girdle is older, larger and more complicated than other pelvic girdles

Answer 2

Fishes

Answer 3

Fishes