1929
?Xylodes sp. — Smith et Tremberth, pp. 366, fig. 8:1
1973
Entelophylloides (Prohexagonaria) sp. — Merriam, fig. 9:5
1990
Prohexagonaria favia sp. nov. — Jell et Sutherland, pp. 811-812, fig. 10:1-4
2005
Prohexagonaria favia — Jeppsson et al., pp. 26