Placosteus undulatus (Agassiz, 1844)

1833     Placosteus undulatus — Agassiz, pp. 33

1844     Psammostes undulatus (Agassiz) — Agassiz, pp. 106, fig. 31:11, 12

1860     Psammostes undulatus Agassiz — Eichwald, pp. 1517-1518(pars)

1891     Psammostes undulatus Agassiz — Woodward, pp. 128

1897     Psammosteus tesselatus n. sp. — Traquair, pp. 377, fig. Xi 1,2

1930     Psammosteus arenatus Agassiz — Gross, pp. 13

1933     Psammolepis undulata (Agassiz) — Gross, pp. 8-9, fig. 1:3, 6

1933     Psammolepis undulata Agass. — Gross, pp. 8-9, fig. I 3(?), 9

1942     Psammolepis undulata Agass. — Gross, pp. 410, fig. 2A

1958     Psammolepis timanica Obr: nomen nudum — Obruchev, pp. 48

1961     Psammolepis undulata (Agass.) — Tarlo, pp. 202, fig. VII 4, 52

1965     Psammolepis undulata (Agassiz, 1845) — Halstead Tarlo, pp. 103, fig. XVII 2, text fig. 32

1965     Psammolepis undulata (Agassiz, 1845) — Obruchev & Mark-Kurik, pp. 201, fig. 56:1,2; 57:1,2; 58:1-3; 59:1-2; 60:1-3; 61:1

1971     Psammolepis undulata Agassiz, 1845 — Lyarskaya, pp. 98, fig. 3-5

2000     Psammolepis undulata (Ag.) — Mark-Kurik, pp. 317

2000     Psammolepis undulata (Ag.) — Esin et al., pp. 345

2001     Psammolepis undulata (Agassiz, 1845) — Lukševičs, pp. 498