Darwinula cylindrica, Chang, Cheon Young, Lee, Jimin & Smith, Robin J., 2012

Chang, Cheon Young, Lee, Jimin & Smith, Robin J., 2012, Nonmarine ostracods (Crustacea) from South Korea, including a description of a new species of Tanycypris Triebel (Cyprididae, Cypricercinae), Zootaxa 3161, pp. 1-19 : 16

publication ID

https://doi.org/ 10.5281/zenodo.214227

DOI

https://doi.org/10.5281/zenodo.6174828

persistent identifier

https://treatment.plazi.org/id/03B787BB-1418-AF45-FF70-FBA8FC43F90C

treatment provided by

Plazi

scientific name

Darwinula cylindrica
status

 

Vestalenula cylindrica Straub, 1952

( Fig 7 View FIGURE 7. A H–K)

1952 Darwinula cylindrica n. sp. —Straub: 497, figs 19–20.

nov. comb. 2001 Vestalenula cylindrica ( Straub, 1952) —Janz et al.: 185, pl. 3 (22–26). 2008 Vestalenula sp.—Smith & Kamiya: 275–302, figs 15–17.

Material examined. Five females from wet sediment below water seeping down a near vertical rock face at Oksan-ri, Dalsan-myeon, Yeongdeok-gun, Gyeongsangbuk-do (36º20′38.4″N, 129º16′28.8″E) (locality 5 on Fig. 1 View FIGURE 1 ), 5 June 2011.

Remarks. The lateral view of the carapace (height:length ratio = 0.44–0.47) and relative length of the keel on the right valve (ca. 26% of length of right valve) of the Korean specimens closely match Vestalenula cylindrica from Japan. However, the Korean specimens are notable in two ways: they are smaller (length 400–438 µm for Korean specimens, 461–481 for Japanese specimens), and the Gm claw on the antenna is relatively longer (ca. 75% the length of GM, compared with ca. 50% of GM for Japanese V. cylindrica ). Previously, only one living population of V. cylindrica was known, in Lake Biwa, Japan, although fossils of this species have been recovered in Europe and the Middle East (see Smith & Janz 2009 for review of fossil records).

Kingdom

Animalia

Phylum

Arthropoda

Class

Ostracoda

Order

Podocopida

Family

Darwinulidae

Genus

Darwinula

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