IV. VOLSELLA (vol, Figs. 1C, 3A, 4A, 5A, 6A, 6C, 7A8A–8B, 9A–9B, 10A, 11)

volsella by Dufour (1841); Peck (1937a); Peck (1937b); Pratt (1939); Michener (1944); Ross (1945); Alam (1952); Michener (1956); Snodgrass (1941); Snodgrass (1957); Scobiola (1963); Tobias (1967); Königsmann (1976); Johnson (1984); Olmi (1984a); Olmi (1984b); Quicke & van Achterberg (1990); Schulmeister (2001); Schulmeister (2003); Konishi (2005); Žikić et al. (2011); Karlsson & Ronquist (2012); Boudinot (2013); Mikó et al. (2013); Broad, Shaw & Fitton (2018); Brajković et al. (2010)

innere Haltzange by Enslin (1918).

tenette by Snodgrass (1941).

ossicle by Ross (1945).

section 3 by Smith (1969).

section 3 of gonocoxite by Schulmeister (2001).