Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 84 references without a DOI — listed, not checked
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no DOI — not checkedAbe W, Takeda M (2000b) Tardigrades from the Imperial Palace, Tokyo. Mem Natl Sci Mus Tokyo 35:165–177
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no DOI — not checkedAbe W, Utsugi K, Takeda M (1998) Pseudechiniscus asper, a new Tardigrada (Heterotardigrada: Echiniscidae) from Hokkaido, northern Japan. Proc Biol Soc Wash 111:843–848
no DOI — not checkedAbukawa S (2010) Hokkaido engan-iki no kaisan kumamushi 4 shu [Four species of marine tardigrades in the coastal area around Hokkaido]. Umiushi-Tsushin 69:8–9 [in Japanese]
no DOI — not checkedBiserov VI, Dudichev AL, Biserova NM (2001) Preliminary data on tardigrades of Lake Biwa (Japan). Arthropoda Sel 10:307–310
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no DOI — not checkedDoyère LMF (1840) Mémoire sur les tardigraes. Ann Sci Nat Sér 2(14):269–361
no DOI — not checkedEsaki T (1930) Myriapoda and Arachnida [in Japanese]. In: Iwanami Koza Biology, Zoology. Iwanami Shoten, Tokyo, p 128
no DOI — not checkedFujimoto S, Miyazaki K (2011) Preliminary notes on the freshwater tardigrades from the Kamo River, Kyoto. Proc Arthropod Embryol Soc Jpn 46:39–40
no DOI — not checkedGoeze (1773) Über den kleinen Wasserbär. In: Herrn Karl Bonnet’s Abhandlungen aus der Insektologie, JJ Gebauers Wittwe und Joh Jac Gebauer, Halle, pp 367–375
no DOI — not checkedHansen JG, Kristensen RM, Jørgensen A (2012) The armoured marine tardigrades (Arthrotardigrada, Tardigrada). Sci Dan Ser B Biol 2
no DOI — not checkedHatai S (1956) On the Japanese Tardigrada. Sci Rep Yokosuka City Mus 1:1–13
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no DOI — not checkedHiruta S (1985) A new species of marine interstitial Tardigrada of the genus Stygarctus Schulz from Hokkaido, Japan. Spec Publ Mukaishima Mar Biol Stn 245:127–129
no DOI — not checkedIijima I (1889) A textbook of zoology. Keigyo-sha, Tokyo [in Japanese]
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no DOI — not checkedIshimaru S (2011) Records of three species of Tardigrada from Ishikawa Prefecture, Japan. Bull Ishikawa Mus Nat His 1:45–47
no DOI — not checkedIto M (1986) Genus Diphascon (Eutardigrada: Hypsibiiae) from Mt. Fuji, Central Japan. Zool Sci 3:1110
no DOI — not checkedIto M (1988) A new species of the genus Eohypsibius (Eutardigrada: Eohypsibiidae) from Japan. Edaphologia 39:11–15
no DOI — not checkedIto M (1991a) Taxonoic study on the Eutaridigrada from the northern slope of Mt. Fuji, central Japan. Proc Jap Soc Syst Zool 45:30–43
no DOI — not checkedIto M (1991b) Terrestrial tardigrade fauna of the Tokyo University forest in Chiba. Zool Sci 8:1198
no DOI — not checkedIto M (1993) Taxonomic study on the class Heterotardigrada (Tardigrada) from the northern slope of Mt. Fuji, central Japan. Edaphologia 50:1–13
no DOI — not checkedIto M (1995) Taxonomic study on the Eutardigrada from the northern slope of Mt. Fuji, central Japan, II. Family Hypsibiidae. Proc Jap Soc Syst Zool 53:18–39
no DOI — not checkedIto M (1999) Ecological distribution, abundance and habitat preference of terrestrial tardigrades in various forests on the northern slope of Mt. Fuji, central Japan. Zool Anz 238:225–234
no DOI — not checkedIto M, Abe W (1997) Tanzawa sanchi no rikusei kumamushi rui [Terrestrial tardigrades in the Tanzawa Mountains]. In: Kanagawa Park Association, Tanzawa Ōyama Natural Environment Census Committee (eds) Report of Tanzawa Ōyama Natural Environment Census. Department of Environment, Kanagawa Prefectural Government, Yokohama, pp 283–284, 329–330 [in Japanese]
no DOI — not checkedIto M, Abe W (2000) Odamiyama no rikusei kumamushi rui [Terrestrial tardigrades in Odamiyama]. In: Yamamoto Shinrin Seibutsu Kenkyujo et al. (eds) Odamiyama no shizen, vol 1 [Nature in Odamiyama, vol 1]. Odamachi, Oda, pp 649–662 [in Japanese]
no DOI — not checkedIto M, Utsugi K (1992) Genus Diphascon (Tardigrada) from Japan. Zool Sci 9:1297
no DOI — not checkedKagoshima H, Imura S, Suzuki AC (2013) Molecular and morphological analysis of an Antarctic tardigrade, Acutuncus antarcticus. J Limnol 72(s1):15–23
no DOI — not checkedKawamura T (1918) Nihon tansui seibutsugaku, jō kan [Japanese freshwater biology, vol I]. Shōkabō, Tokyo [in Japanese]
no DOI — not checkedKishida K (1910) Kumamushi ni tsuite [On tardigrades]. Hakubutsu no tomo 10:160–164 [in Japanese]
no DOI — not checkedKishida K (1927) Tardigrades. In: Uchida S (ed) Illustrated encyclopedia of animals in Japan. Hokuryūkan, Tokyo, p 988 [in Japanese]
no DOI — not checkedKume A, Suzuki AC, Tojo K (2012) A study into the dispersion pattern of Milnesium cf. tardigradum: a molecular phylogenetic approach. In: Abstracts of the 12th international symposium on Tardigrada, Vila Nova de Gaia, Portugal, 23–26 July 2012, p 77
no DOI — not checkedMarcus E (1929) Tardigrada. Bronn’s Klassen und Ordnungen des Tierreichs, Bd 5, IV-3. Akademische Verlagsgesellschaft, Leipzig
no DOI — not checkedMathews G (1936–1937) Tardigrada from Japan. Peking Nat Hist Bull 11:411–412
no DOI — not checkedMorikawa K (1951a) Notes on four interesting Echiniscus (Tardigrada) from Japan. Annot Zool Jpn 24:108–110
no DOI — not checkedMorikawa K (1951b) Kaisei kumamushi no saishū [Notes on a marine water-bear (Tardigrada)]. Saishū to shiiku 13:170–172 [in Japanese]
no DOI — not checkedMorikawa K (1957) Kanporui (Tardigrada) no bunrui to keitou [Taxonomy and phylogeny of tardigrades]. Atypus 12:3–11 [in Japanese]
no DOI — not checkedMorikawa K (1967) Tardigrada. In: Uchida T, Yamada M, Yamaguchi H, Nagao Z, Kato K, Morikawa K (eds) Systematic zoology, vol 6. Nakayama-Shoten, Tokyo, pp 295–333 [in Japanese]
no DOI — not checkedNoda H (1989) The first occurrence of coronarctid tardigrade from the shallow water. Zool Sci 6:1220
no DOI — not checkedNoda H (1993) Stygarctid tardigrade showing neoteny from Kuroshima Island, Ryukyu Archipelago. Zool Sci 10(Suppl):175
no DOI — not checkedNoda H (1994a) Tardigrades from sand beaches in Okinawa. Proc Jap Soc Syst Zool 51:79 [in Japanese]
no DOI — not checkedNoda H (1994b) Two renaudarctids (Arthrotardigrada) from Ryukyu Archipelago, Japan. In: Abstracts of the 6th International Symposium on Tardigrada, Selwyn College, Cambridge, 22–26 August 1994. http://www.tardigrada.net/newsletter/symposia_06.htm#Proceedings . Accessed 16 Jan 2016
no DOI — not checkedNoda H (1994c) An undescribed Anisonyches sp. (Tardigrada) with a large basal spur on the external claw from Ryukyu Islands. Zool Sci 11(Suppl):33
no DOI — not checkedNoda H (1998) Two halechiniscid tardigrades from Japan and a similarity in marine tardigrade fauna between Japan and the Mediterranean. Zool Sci 15(Suppl):37
no DOI — not checkedNonogaki H, Gamô S (1989) Note on the distribution of some terrestrial tardigrades or water-bears in the coastal region of Kanagawa Prefecture. Rep Manazuru Mar Lab Sci Educ 5:27–34 [in Japanese with English summary]
no DOI — not checkedOkamura K (1908) Shô-tenchi. Hakubutsugaku Zasshi 9(98):1–6 [in Japanese]
no DOI — not checkedRahm G (1937a) Tardigraden vom Yan-Chia-Ping-Tal (Nordchina). Zool Anz 119:105–111
no DOI — not checkedRahm G (1937b) A new order of tardigrades from the hot springs of Japan (Furu-yu section, Unzen). Annot Zool Jpn 16:345–352
no DOI — not checkedRahm G (1937c) Eine neue Tardgraden-ordnung aus den heissen Quellen von Unzen, Insel Kyushu, Japan. Zool Anz 121:65–71
no DOI — not checkedRamazzotti G (1962) Il Phylum Tardigrada. Mem Ist Ital Idrobiol 14:1–595
no DOI — not checkedRamazzotti G, Maucci W (1983) Il Phylum Tardigrada, 3rd edn. Mem Ist Ital Idrobiol 41:1–1012
no DOI — not checkedRichters F (1907) Zwei neue Echiniscus-Arten. Zool Anz 31:197–202
no DOI — not checkedSaikawa M, Oyama M (1992) Electron microscopy on infection of tardigrades by Ballocephala spaerospora and B. verrucospora conidia. Trans Mycol Soc Jpn 33:305–311
no DOI — not checkedSaikawa M, Oyama M, Yamaguchi K (1991) Harposporium anguillulae and Haptoglossa intermedia parasitizing tardigrades. Trans Mycol Soc Jpn 32:501–508
no DOI — not checkedSpallanzani (1776) Opuscoli di fisica animale, e vegetabile, vol 2, Modena
no DOI — not checkedSudzuki M (1975) Lotic Tardigrada from the Tama River with special reference to water saprobity. Mem Ist Ital Idrobiol Pallanza 32(Suppl):377–391
no DOI — not checkedSudzuki M (1979) Some aspects of the haline interstitial biota from Ryukyu Shoto, subtropical chain islands, Southwest Japan. Sesoko Mar Sci Lab Tech Rep 6:37–49, plates I–IV
no DOI — not checkedSuzuki AC (2006) Kumamushi–Chîsana Kaibutsu [in Japanese] (Tardigrades–the Little Monster). Iwanami Shoten, Tokyo
no DOI — not checkedSuzuki AC (2010) Tardigrades of Japanese coast: water bears of Shimabara Bay [in Japanese]. Umiushi-Tsūshin 67:2–3
no DOI — not checkedSuzuki AC, Moriyama K (2008) Kumamusi wo kau niwa [in Japanese] (What if You Rear Water Bear). Chijin Shokan, Tokyo
no DOI — not checkedTsurusaki N (1980) A new species of marine interstitial tardigrada of the genus Hypsibius from Hokkaido, Northern Japan. Ann Zool Jpn 53:280–284
no DOI — not checkedUtsugi K (1985a) Rikusei no kumamushi rui [Terrestrial tardigrades]. Iden 9(11):42–51 [in Japanese]
no DOI — not checkedUtsugi K (1985b) Urban tardigrades in Tokyo. Zool Sci 2:1006
no DOI — not checkedUtsugi K (1986) Urban tardigrades in Kyushu. Zool Sci 3:1110
no DOI — not checkedUtsugi K (1987) Urban tardigrades in Hokuriku area. Zool Sci 4:1111
no DOI — not checkedUtsugi K (1988) Tardigrades in Hokkaido area. Zool Sci 5:1335
no DOI — not checkedUtsugi K (1990a) Tardigrades in the 23 wards of Tokyo. Proc Jap Soc Syst Zool 41:71–72
no DOI — not checkedUtsugi K (1990b) Heterotardigrades in Japan. Zool Sci 7:1183
no DOI — not checkedUtsugi K (1991) Tardigrades in Kei-Hanshin area. Proc Jap Soc Syst Zool 45:71
no DOI — not checkedUtsugi K (1992a) Mountain tardigrades in Tokyo. Proc Jap Soc Syst Zool 47:69
no DOI — not checkedUtsugi K (1992b) Urban tardigrades in the Tohoku area. Zool Sci 9:1297
no DOI — not checkedUtsugi K (1993a) Mountain tardigrades in neighboring prefectures around Tokyo. Proc Jap Soc Syst Zool 49:61–62
no DOI — not checkedUtsugi K (1993b) Terrestrial tardigrades in the Ryukyu area. Zool Sci 10(suppl):174
no DOI — not checkedUtsugi K (1994a) Study on terrestrial tardigrades in Japan. I. Urban areas in Kanto region. Nat Environ Sci Res 7:29–34 [in Japanese with English abstract]
no DOI — not checkedUtsugi K (1994b) Mountain tardigrades in Tokyo II. Proc Jap Soc Syst Zool 51:78–79
no DOI — not checkedUtsugi K (1995) Terrestrial tardigrades from mountain areas of Japan. Zool Sci 12(suppl):36
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no DOI — not checkedUtsugi K (1999) Tardigrada. In: Aoki J (ed) Pictorial keys to soil animals of Japan. Tokai University Press, Tokyo, pp 111–132 [in Japanese]
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no DOI — not checkedUtsugi K, Hiraoka T, Nunomura N (1997) On the relation between tardigrade fauna and bryophyte flora in Toyama Prefecture. Bull Toyama Sci Mus 20:57–71 [in Japanese with English abstract]
no DOI — not checkedWatanabe Y, Sasaki K, Taira K (1961) Preliminary survey of tardigrades on dead bamboo-leaves from Chiba Prefecture. Sci Rep Yokosuka City Mus 6:93–96
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