Loxoconcha japonica Ishizaki, 1968
publication ID |
https://doi.org/ 10.12651/JSR.2019.8.1.116 |
DOI |
https://doi.org/10.5281/zenodo.8139546 |
persistent identifier |
https://treatment.plazi.org/id/03866345-FFCD-FFD4-FCF4-2530FBE5F835 |
treatment provided by |
Felipe |
scientific name |
Loxoconcha japonica Ishizaki, 1968 |
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2. Loxoconcha japonica Ishizaki, 1968 View in CoL ( Fig. 2 View Fig )
Synonymy
Loxoconcha japonica View in CoL sp. nov. Ishizaki (1968): p. 28, Pl. 2, Fig. 1 View Fig ; Pl. 6, Figs. 1012.
Loxoconcha japonica Ishizaki View in CoL Ishizaki (1971): p. 86, Pl. 3, Fig. 21; Okubo (1980): p. 416, Figs. 12, 13, 18ad; Paik and Lee (1988): Pl. 3, Fig. 17; Tohru et al. (2005): Fig. 1A View Fig .
Material examined. One female dissected on slide ( NIBR IV0000813441), shell of on micropalaeontology slide ( NIBRIV 0000813441).
Locality in Korea. Gyeongsangnamdo, Goseonggun , littoral, 34°59.629 ʹ N 128°26.201 ʹ E, 04/04/2012, coll. I. Karanovic. GoogleMaps
Identifier. Ivana Karanovic.
Diagnosis (female only). Small ostracod, less than 1 mm long ( Fig. 2A, B View Fig ). Dorsal margin broadly rounded. Posterior margin rounded but with one clear caudal process terminated at 2/3 of height. Anterior margin rounded, and narrower than posterior one. Ventral margin straight to slightly concave. Valves not asymmetrical. Surface regularly reticulated. Marginal zone with long, straight canals. Hinge of Loxoconcha type (gongylodont). Antennula slender 6segmented ( Fig. 2C View Fig ); all setae thin. Antenna 4segmented with two distal claws ( Fig. 2B View Fig ).
Distribution. Species has been recorded throughout Japan. Paik and Lee (1988) also reported this species from PlioPleistocene deposits from Korea. Beside Okubo (1980) this is the second report of the species soft parts.
Remarks. The identification was based only on female specimens, because males have not been collected. Nevertheless, there are no significant differences between the original description and illustrations and our current record. This species belongs to the japonica species group ( Tanaka and Ikeya, 2002).
NIBR |
National Institute of Biological Resources |
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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Loxoconcha japonica Ishizaki, 1968
Karanovic, Hyunsu Yoo and Ivana 2019 |
Loxoconcha japonica
Ishizaki, K. 1968: 28 |