Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 87. (Budapest 1995)

Farkas, B.: Fossil trionychid turtle types in Hungarian collections - a preliminary review (Reptilia, Testudines)

Fossil trionychid turtle types in Hungarian collections 61 Figs 1-4. Fig. 1. Trionyx nopcsai SZÁLAI, 1934; HGS 3980. dorsal (a) and ventral surface (b) of holotype. - Fig. 2. T. pseudovindobonensis SZÁLAI, 1934; HGS 3145, morphological dorsal (a) and ventral surface (b) of holotype. - Fig. 3. Morphological dorsal surface of femori (a) and humeri (b) in Recent Apalone ferox (SCHNEIDER, 1783) for comparison (BLF 247, to be deposited at HNHM). - Fig. 4. T. clavatomarginatus LORENTHEY, 1903; HGS 3144, cast of paratype in dorsal view. Scales represent centimetres