superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms

superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms

eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms

eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms

eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms

related on the father's side

line of descent traced through the paternal side of the family

United States dancer and choreographer who introduced formal dance to a wide audience (1905-1993)

United States dancer and choreographer who introduced formal dance to a wide audience (1905-1993)

United States dancer and choreographer who introduced formal dance to a wide audience (1905-1993)