Family: Pseudostome terminal, of variable shape.
Genus: Pseudostome lacks lobed collar; test round or oval in cross-section; pseudostome relatively large, with or lacking a collar (Illustrated Guide, 1985).
Species: 80-130 μm long; 60-105 μm diam.; test, like D. acuminata but shorter, broader; short neck constricted at pseudostome, flared as collar; hollow spine at base; yellow to brown; imbedded siliceous particles; pseudostome 45-55 μm (Illustrated Guide, 1985).

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D. elegans ? or D. curvicaulis ? 150 x 80 μm L/W= Numa-no-hara m. Madarao highland Niigata, 2005	D. elegans 138 x 82 μm L/W=1.7 Kumakubo Nasu-shiobara Tochigi, 2005	D. elegans 120 x 78 μm L/W=1.5 Tanohara marsh Shiga highland Nagano, 2006	D. elegans 110 x 57 μm L/W=1.9 Shikinawa-ike Fukuoka, 2001
D. elegans 110 x 50 μm L/W=2.2 Kannon-numa Shimogo Fukushima, 2005	D. elegans 90 x 52 μm L/W=1.7 Jionji-shinsui p. Iwatsuki-ku Saitama, 2006	D. elegans ? or D. curvicaulis ? 105 x 57 μm L/W=1.8 Ranzan Saitama, 2003	D. elegans 96 x 46 μm L/W=2.1 Japan, 1998
D. elegans 90 x 55 μm L/W=1.6 Sue-machi Fukuoka, 2001	D. elegans or D. curvicaulis ? 95 x 50 μm L/W=1.9 Uruguay, 1999	D. elegans ? or D. curvicaulis ? 100 x 68 μm L/W=1.5 Shikinawa-ike Fukuoka, 2001	D. elegans ? 108 x 67 μm L/W=1.6 Takao-sakura p. Kitamoto Saitama, 2005
D. elegans ? or D. curvicaulis ? 190 x 90 μm L/W=2.1 Tanohara marsh Shiga highland Nagano, 2004	D. elegans ? collar present 123 x 75 μm L/W=1.6 Kayoicho-ike Fukuoka, 2001	D. elegans ? or D. curvicaulis ? 120 x 70 μm L/W=1.7 Kabuto-yama Nishi-no-miya Hyogo, 2004	D. elegans ? or D. curvicaulis ? 105 x 63 μm L/W=1.7 Narugo Miyagi, 2003
D. elegans ? or D. curvicaulis ? 175 x 90 μm 185 x 93 μm L/W=1.9,2.0 Shibu-ike Shiga highland Nagano, 2005	D. elegans ? or D. accuminata ? 170 x 80 μm 180 x 92 μm L/W=2.0,2.1 Tanohara marsh Shiga highland Nagano, 2005	D. elegans ? or D. accuminata ? 150 x 92 μm 170 x 88 μm L/W=1.6-1.9 Hyoutan-ike Shiga highland Nagano, 2005	D. elegans ? 180-220 x μm L/W=1.5-2.0 Hakama marsh Madarao highland Niigata, 2005
D. elegans ? or D. accuminata ? 135 x 65 μm L/W=2.1 Hachiman-numa m. Hachimantai Iwate, 2005	D. elegans ? or D. accuminata ? 130 x 65 μm L/W=2.0 Mida-ga-hara Gassan Yamagata, 2005	D. elegans ? or D. accuminata ? 133 x 78 μm L/W=1.7 Mida-ga-hara Gassan Yamagata, 2006	D. elegans 147 μm Mitsuishi m. Hachimantai Iwate, 2008
D. elegans 167 μm Iroha-numa 5 Zao mountain Yamagata, 2008

Similar species -->> D. acuminata;
Similar genus -->> Paraeuglypha;

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