Alcock (1900)†, Balss (1922), Barnwell (1982), Boone (1934)†, Cano (1889), Cano (1889), Chen et al. (2008), Chen & Ye (2011), Chen et al. (2007), Chertoprud et al. (2012)†, Chhapgar (1957)†, Crane (1975)†, De Man (1880), Fransen et al. (1997), Gee (1925), Kellogg (1928), Liu et al. (2014), Luo et al. (2016), Naderloo et al. (2010)†, Rathbun (1931), Rosenberg (2020)†, Sakai (1934)†, Sakai (1936 [1935])†, Sakai (1939)†, Serène (1973)†, Shen (1932)†, Shen (1940), Shih et al. (2010), Ting et al. (2020)†, Yang et al. (2019)
Entries marked with † represent indirect references to location through citation.