Fig. 1
Graph illustrating the number of papers about Neogene and Quaternary lizards and worm lizards (total number 376) published per decade since 1851. The current decade stops at the end of June 2018. Note that the numbers of papers published in the last 18 years significantly outnumber those published from 1851 to 1999 (1850: 3; 1860: 2; 1870: 0; 1880: 2; 1890: 3; 1900: 3; 1910: 4; 1920: 1; 1930: 0; 1940: 4; 1950: 6; 1960: 7; 1970: 12; 1980: 47; 1990: 47; 2000: 90; 2010: 145)