Finnegan, S. (1934). X. Arachnida to which are added arthropod groups other than Insecta and Crustacea. [Gigantostraca, (Xiphosura, Synxiphosura, Eurypterida, Trilobita), Pantopoda, Tardigrada, Pentastomida, Myriopoda, and Prototrachaeata. In: Zoological Record for 1932. In: The Zoological Society: London 69.
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