†Helochelydra Nopsca 1928

Nopcsa 1928. Palaeontological Notes on Reptiles. I. Redescription of Palaeohatteria pp. 1-12 text-figs. II. On some Fossil Reptiles from the copper-bearing Permian strata of Russia pp. 12-20 figs. III. On some Nothosaurian Reptiles from the Trias, pp. 20-40 text-figs. IV. Helochelydra and Hylaeochelys, two little-known tortoises from the Wealden and Purbeck formations pp. 44-51 text-figs. V. On the skull of the Upper Cretaceous Dinosaur Euoplocephalus pp. 51-54 text-fig. VI. Scolosaurus cutleri, a new Dinosaur pp. 54-74 text-figs. VII. On the classification of the Crocodilia pp. 75-84. Geologica Hungarica Ser Palaeont, I 1928: pp. 1-84