Fig. 1 in Evolution and identity of synapsid carpal bones

Fig. 1. Schematic diagrams of a non-therapsid synapsid ("pelycosaur") carpus (A) and a mammaliaform carpus (B), labelled using the canonical and mammalian nomenclatures. Abbreviations: ca, capitate; ce, centrale; di, distal carpal; ha, hamate; int, intermedium; l ce, lateral centrale; lu, lunate; mc, metacarpal; m ce, medial centrale; pis, pisiform; ra, radius; rl, radiale; sc, scaphoid; td, trapezoid; tp, trapezium; tq, triquetrum; ul, ulna; ur, ulnare.