Johannes Govertus de Man (2 May 1850 in Middelburg – 9 January 1930 in Middelburg), was a Dutch biologist. He was assistant curator at the Rijksmuseum van Natuurlijke Historie (Dutch for national natural history museum) in Leiden, where he specialised in free-living nematodes and decapod crustaceans, although he also wrote papers on flatworms, sipunculids and, in his dissertation only, vertebrates. His change away from vertebrates disappointed the director of the museum, and de Man left his job there after eleven years. For the rest of his life, de Man worked at his parents' house in Middelburg and later at a house near the shore at Yerseke in the Oosterschelde estuary, relying on his family's private income.
Taxa named after de Man
Taxa named by de Man
De Man described many new taxa in his lifetime, mostly for crustaceans and nematodes. His crustacean taxa include 30 genera and 523 new species, while his nematode taxa comprise 8 new families, 61 new genera and 239 new species. Taxa described by de Man include:
Alope orientalis De Man, 1906 Alpheus rapacida De Man, 1908 Caridina gracilirostris De Man, 1892 Caridina serratirostris De Man, 1892 Cuapetes amymone De Man, 1902 Eiconaxius sibogae De Man, 1925 Geosesarma De Man, 1892 Laomenes amboinensis (De Man, 1888) Lysmata amboinensis De Man, 1888 Macrobrachium rosenbergii (De Man, 1879) Neosarmatium inerme De Man, 1887 Neosarmatium meinerti De Man, 1887 Palinurellus wieneckii (De Man, 1881) Perisesarma De Man, 1895 Sesarma eulimene De Man, 1895 Thor amboinensis (De Man, 1888)
Further reading Gerrit Karssen (2006). Life and Work of Dr. J. G. de Man, a Crustacea and Nematoda Specialist. Leiden, Netherlands: Brill. ISBN 978-90-04-14969-4.
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