Nyst, P. -H. (1813 - 1880)
Citations containing new species:
Nyst, P. -H.
, 1836.
Rech. Coq. Foss. de Housselt et de Kleyn-Spauwen, 4.
Nyst, P. -H.
, 1843.
Descr. Coq. Polyp. Foss. Terr. Tert. Belg.