Milnesium eurystomum Maucci 1988, Maucci, 1988

Guil, Noemí, 2008, New records and within-species variability of Iberian tardigrades (Tardigrada), with comments on the species from the Echiniscus blumi-canadensis series, Zootaxa 1757, pp. 1-30: 13

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Milnesium eurystomum Maucci 1988


Milnesium eurystomum Maucci 1988  

I isolated 19 specimens from LF, MR, MT and LT samples. This species presented a short, wide buccal tube with its diameter decreasing toward the caudal end. This characteristic distinguishes this species from any other Milnesium   species. The presence or absence of the basal spur on the outer claws (following terminology of Tumanov (2006 )) is constant within each individual (if it is present it appears on all legs), but within each sample I have observed animals with basal spur and animals without basal spur. Twelve out of the 19 animals found had ocular spots; in the remaining specimens it was not possible to determine presence or absence of ocular spots. Up to 6 rotifer’s mastax (from Belloidea) and tardigrades (probably from Diphascon   , Hypsibius   and Macrobiotus   species) were found inside some specimens. Body size ranged from 836 to 2112 μm, mean 1789 μm (SD 298). The species has been cited for Greenland and America. This is the first time it is recorded for Europe ( Table 2 View TABLE 2 ). Milnesium eurystomun   was found at two sampling points (Table 3).