1842
Cyathocrinitis penninger — Eichwald, pp. 78-79, fig. 1:10
1856
Cheirocrinus penniger — Eichwald, pp. 123
1856
Cyathocrinitis penninger — Eichwald, pp. 78-79, fig. 1:10
1857
Cheirocrinus penniger — Eichwald, pp. 69
1860
Cheirocrinus penniger m. — Eichwald, pp. 646, fig. 32:1a-b
1874
Glyptoystites. penninger Eichw. sp. — Schmidt, pp. 15, fig. I 12; II 1-3
1899
Cheirocrinus penniger Eichwald sp. 1845 — Jaekel
1972
Cheirocrinus penniger — Paul, pp. 22,33