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      Continued Exploration of Tanzanian Rainforests Reveals a New Echiniscid Species (Heterotardigrada)

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          Abstract

          The Afrotropical tardigrade fauna is insufficiently studied, and consequently its diversity in this region is severely underestimated. Ongoing sampling in the Udzungwa Mountains, Morogoro Region of Tanzania has revealed a new representative of the genus Echiniscus C.A.S. Schultze, 1840 (Echiniscidae). Echiniscus tantulus sp. nov. belongs to the spinulosus group, but it stands out from other members of this speciose Echiniscus clade by having a heteromorphic sculpture of the dorsal plates and an uncommonly stable body appendage configuration A-C-C d -D d -E. The new species is characteristic by being equipped with long dorsal spines and very short lateral spicules, which so far have been found only in one other species of the group, Echiniscus spinulosus (Doyère, 1840). An updated checklist of Tanzanian Echiniscidae is provided, incorporating recent advances in their classification.

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          Author and article information

          Journal
          Zool Stud
          Zool Stud
          BRCAS
          Zoological Studies
          Biodiversity Research Center, Academia Sinica
          1021-5506
          1810-522X
          2020
          15 June 2020
          : 59
          : e18
          Affiliations
          [1 ] Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9, 30-387 Kraków, Poland. E-mail: piotr.lukas.gasiorek@gmail.com (Gąsiorek); bochnakmarcinxyz@gmail.com (Bochnak); kat.von@onet.eu (Vončina)
          [2 ] Section for Biosystematics, Natural History Museum of Denmark, University of Copenhagen, Universitetsparken 15, Copenhagen Ø DK-2100, Denmark. E-mail: rmkristensen@snm.ku.dk (Kristensen)
          Author notes
          Article
          PMC7691842 PMC7691842 7691842
          10.6620/ZS.2020.59-18
          7691842
          33262842
          ca7a8582-1684-4e55-ae9d-a05ad9ad90ea
          History
          : 13 January 2020
          : 28 April 2020
          Categories
          Research Article

          Chaetotaxy,Udzungwa Mountains,Cuticular sculpturing,Biodiversity,The spinulosus group

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