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Copyright of Journal of Zoological Systematics & Evolutionary Research is the property of Hindawi Limited and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

A new eutardigrade species Milnesium krzysztofi sp. nov. is described from Costa Rica. M. krzysztofi sp. nov. differs from the most similar Milnesium katarzynae Kaczmarek et al., 2004 mainly by the presence of spurs on internal claws I-III and on external claw IV. [ABSTRACT FROM AUTHOR]

A new species of Tardigrada (Eutardigrada), Calcarobiotus longinoi sp. nov., is described from moss samples collected in Alajuela Province (Costa Rica). The presence of genus Calcarobiotus is new for Central America. This species differs from other species of the genus Calcarobiotus by lacking of spurs on the basal portion of the claws. On the base of this new finding, the diagnosis of the subgenus Calcarobiotus is emended. A taxonomic key to the genus Calcarobiotus is also presented. [ABSTRACT FROM AUTHOR]