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Sig Thor

thumb Sig Thor born Sigvart Thorkelsen (15 October 1856 – 18 October 1937) was a Norwegian school teacher, acarologist, arachnologist, and entomologist. He was a founding member of the Norwegian entomological society. He was a specialist on the Norwegian water mites (Hydrachnidia) but he also collected other taxa including beetles. Provided by Wikipedia
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    Acarina : a Eupopidae, Penthalodidae, Penthaleidae, Rhagidiidae, Pachygnathidae, Cunxidae, Aus - Das Tierreich - Eine Zusammenstellung und Kennzeichnung der Rezenten Tierformen, Lfg. 71.
    by Thor, Sig
    Published 2017
    Texto completo
    Electronic eBook
  2. 2
    Acarina : Bdellidae, Nicoletiellidae, Cryptognathidae, aus: das Tierreich : eine Zusammenstellung und Kennzeichnung der rezenten Tierformen, Lfg. 56.
    by Thor, Sig
    Published 2017
    Texto completo
    Electronic eBook