Hinde, Quart. Journ. Geol. Soc. lvi. 1900, p. 50.
Hinde, Tr. R. Micr. Soc. 1904, p. 3.
Počta, Bull. Acad. Bohème, 1903.
J. J. Lister in Willey's Zoological Results, pt. iv. 1900, p. 459.
Mém. Soc. Zool. France, 1896, p. 119.
Hinde, Quart. Journ. Geol. Soc. lvi. 1900, p. 50.
Hinde, Tr. R. Micr. Soc. 1904, p. 3.
Počta, Bull. Acad. Bohème, 1903.
J. J. Lister in Willey's Zoological Results, pt. iv. 1900, p. 459.
Mém. Soc. Zool. France, 1896, p. 119.