Haeckel, Ernst Heinrich Philipp August (1834–1919)
Severcov, Aleksej Nikolaevič (1866–1936)
Łoziński, Paweł (1883–1942)
Dahl, Friedrich
Moore, W. J.
Dammann, Carl
Nusbaum-Hilarowicz, Józef (1859–1917)
Delany, M. J. Healy, M. J. R.
Groves, C. P. Harrison, D. L.
Ashby, K. R.