1882
Inocaulis cervicornis nom. nud. — Spencer, pp. 165
1884
Inocaulis cervicornis — Spencer, pp. 565, 587, fig. 5:5
1884
Inocaulis cervicornis — Spencer, pp. 15,37, fig. 5
1925
Thallograptus cervicornis — Ruedemann, pp. 36
1947
Thallograptus cervicornis (Spencer) — Ruedemann, pp. 232, fig. 27:3,4; 28:1-5; 92:5