A receptacle connector comprising: a shield case having a body containing portion (α); first and second bodies (100a, 100b), contained in the body containing portion (α) of the shield case and combined in a fore-and-aft direction; a plurality of first contacts arranged in a row in a width direction of the first body; and a plurality of second contacts arranged in a width direction of the second body in a different row from the row of the first contacts; wherein: the body containing portion (α) includes a top plate, a bottom plate and a pair of side plates; and the bottom plate is smaller in length than the top plate and the side plates, characterized in that: a back surface of the bottom plate functions as an abutting stop surface; a back surface of at least one of the top plate and the side plates is provided with a lock piece abutting a back surface of the second body; the first body includes: a main body of a generally rectangular shape in cross-sectional view; a protruding portion, provided on a lower surface of the main body and having a front surface abutting the abutting stop surface; each of the second contacts includes: a second buried portion insert molded in the second body; a second contact portion continued from a lengthwise end of the second buried portion; and a second tail portion continued from the other lengthwise end of the second buried portion; each of the first contacts includes: a first buried portion insert molded in the main body of the first body; a first contact portion continued from a lengthwise end of the first buried portion; and a first tail portion continued from the other lengthwise end of the first buried portion and disposed near and behind the protruding portion, and the first and second bodies (100a, 100b) are sandwiched in the fore-and-aft direction between the abutting stop surface and the lock piece. a shield case having a body containing portion (α); first and second bodies (100a, 100b), contained in the body containing portion (α) of the shield case and combined in a fore-and-aft direction; a plurality of first contacts arranged in a row in a width direction of the first body; and a plurality of second contacts arranged in a width direction of the second body in a different row from the row of the first contacts; wherein: the body containing portion (α) includes a top plate, a bottom plate and a pair of side plates; and the bottom plate is smaller in length than the top plate and the side plates, the body containing portion (α) includes a top plate, a bottom plate and a pair of side plates; and the bottom plate is smaller in length than the top plate and the side plates, characterized in that: a back surface of the bottom plate functions as an abutting stop surface; a back surface of at least one of the top plate and the side plates is provided with a lock piece abutting a back surface of the second body; a back surface of the bottom plate functions as an abutting stop surface; a back surface of at least one of the top plate and the side plates is provided with a lock piece abutting a back surface of the second body; the first body includes: a main body of a generally rectangular shape in cross-sectional view; a protruding portion, provided on a lower surface of the main body and having a front surface abutting the abutting stop surface; a main body of a generally rectangular shape in cross-sectional view; a protruding portion, provided on a lower surface of the main body and having a front surface abutting the abutting stop surface; each of the second contacts includes: a second buried portion insert molded in the second body; a second contact portion continued from a lengthwise end of the second buried portion; and a second tail portion continued from the other lengthwise end of the second buried portion; a second buried portion insert molded in the second body; a second contact portion continued from a lengthwise end of the second buried portion; and a second tail portion continued from the other lengthwise end of the second buried portion; each of the first contacts includes: a first buried portion insert molded in the main body of the first body; a first contact portion continued from a lengthwise end of the first buried portion; and a first tail portion continued from the other lengthwise end of the first buried portion and disposed near and behind the protruding portion, and a first buried portion insert molded in the main body of the first body; a first contact portion continued from a lengthwise end of the first buried portion; and a first tail portion continued from the other lengthwise end of the first buried portion and disposed near and behind the protruding portion, and the first and second bodies (100a, 100b) are sandwiched in the fore-and-aft direction between the abutting stop surface and the lock piece.