Darwinula zimmeri, Smith, Robin J., 2011

Smith, Robin J., 2011, Groundwater, spring and interstitial Ostracoda (Crustacea) from Shiga Prefecture, Japan, including descriptions of three new species and one new genus, Zootaxa 3140, pp. 15-37 : 34

Microdarwinula zimmeri ( Menzel, 1916)

( Figs 9 F–H)

1916 Darwinula zimmeri n. sp. —Menzel: 487–489, Figs 16, 17.

1952 Darwinula brevis n. sp. —Straub: 498, text-figs 21–22.

nov. comb. 1969 Microdarwinula zimmeri (Menz) —Danielopol: 154–163, figs 1–28.

Material examined. Seven females from a seep at the edge of a track in Hino-cho, Shiga Prefecture, N35º 00’ 02.1”, E136º 19’ 32.2”, 16 April 2008. One female from gravel in the riverbed of the Myo-odani River, Katsuragawabomura-cho, Otsu, Shiga Prefecture, N35º 14’ 38.3”, E135º 52’ 19.9”, 4 October 2007. All material collected by the author.

Remarks. Previous records of Microdarwinula zimmeri are widespread, but sparsely distributed in Europe, Western Africa, North America, the Caribbean, Madagascar, the Middle East and Indonesia (see the review in Rossetti and Martens 1998). Herein is the first report of this species from Japan.

Figures

FIGURE 9. A – E Undulacandona spinula n. gen. & n. sp. A. right lateral view of whole male carapace (LBM 1430005089). B. right lateral view of whole female carapace (LBM 1430005090). C. dorsal view of whole female carapace, anterior to left (LBM 1430005090). D. detail of male carapace (LBM 1430005089). E. detail of female carapace (LBM 1430005090). F – H, Microdarwinula zimmeri. F. internal view of left valve (LBM 1430005091). G. internal view of right valve (LBM 1430005091). H. right lateral view of whole carapace (LBM 1430005092). Scale bar = 369 µm for A – C, 103 µm for D & E, 202 µm for F – H.