<P> Almost all carpals (except the pisiform) have six surfaces . Of these the palmar or anterior and the dorsal or posterior surfaces are rough, for ligamentous attachment; the dorsal surfaces being the broader, except in the lunate . </P> <P> The superior or proximal, and inferior or distal surfaces are articular, the superior generally convex, the inferior concave; the medial and lateral surfaces are also articular where they are in contact with contiguous bones, otherwise they are rough and tuberculated . </P> <P> The structure in all is similar: cancellous tissue enclosed in a layer of compact bone . </P> <Table> <Tr> <Td> Phalanges Distal Middle Proximal DIP PIP MCP CMC Wrist Metacarpus II III IV V Carpus Trapezium Trapezoid Capitate Hamate Pisiform Triquetral Lunate Scaphoid Radius Ulna </Td> </Tr> <Tr> <Td> Carpal bones and their articulations . Carpal bones are shown in violet . Human left hand, anterior (palmar) view . </Td> </Tr> </Table>

Which of these does not belong to the distal row of carpal bones