OSTRACOD RESEARCH

at the Lake Biwa Museum, Japan


Robin James Smith

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Genus Bradleytriebella Savatenalinton & Martens, 2009

Superfamily: Cypridoidea Baird, 1845
Family: Cyprididae Baird, 1845
Subfamily: Cypricercinae McKenzie, 1971

One species has been reported from Korea:

1. Bradleytriebella tuberculata (Hartmann, 1964)

Show synonymy list

1964 Strandesia tuberculata n. sp. - Hartmann: 118-121, figs 50 & 51.
1972 Strandesia tuberculata Hartmann 1964 - Bhatia et al.: 52.
1979 Strandesia tuberculata Hartmann, 1964 - Victor & Fernando: 155, 158, 233.
1990b Strandesia decorata (Sars, 1903) - Okubo: 46, figs 3f-k. (Synonymy in Smith et al. 2014)
1990b Strandesia tuberculata (Hartmann, 1964) - Okubo: 48, Fig. 3l.
2004 Strandesia decorata (Sars, 1903) - Okubo: 36, figs 18g, h, k, o, p. (Synonymy in Smith et al. 2014)
2005 S. tuberculata Hartmann, 1964 - Karanovic: 93.
2009b Bradleystrandesia tuberculata (Hartmann, 1964) - Savatenalinton & Martens: 36, new combination.
2009 B. tuberculata (Hartmann, 1964) - Yu et al.: 32.
2009a Bradleytriebella tuberculata (Hartmann, 1964) - Savatenalinton & Martens: 33-38, figs 27-29, new combination.
2012 B. tuberculata (Hartmann 1964) - Karanovic: 377, 378.
2014 Bradleytriebella tuberculata (Hartmann, 1964) - Smith et al.: 23-24, Fig. 2G-J, Table 1.

Status: full synonymy list.

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Dorsal view of a female Bradleytriebella tuberculata, anterior to the right. Length about 0.7 mm. This species typically has two tubercles (bumps) on the carapace in the areas marked with white triangles, giving an angular appearance in dorsal view. However, in some populations these tubercles are weakly expressed or absent (as with this specimen).


External view of a female left valve of Bradleytriebella tuberculata, length 740 microns. The surface of the valves are covered in striations.


External view of a female right valve of Bradleytriebella tuberculata, length 710 microns.
Figures in: Okubo 1990 (carapace), Okubo 2004 (carapace), Savatenalinton & Martens 2009 (carapace and appendages).
Habitat: Seep next to a stream (Smith et al. 2014). Elsewhere, known from rice fields (Okubo 1990; Savatenalinton & Martens 2009).
Mode of life: Nektobenthic (swimmer).
Reproductive mode: Asexual, males unknown.
Known distribution: Jeju Island (Smith et al. 2014). Elsewhere reported from Japan (Okubo 1990), India (Hartmann 1964), Thailand (Savatenalinton & Martens 2009), and Taiwan (Yu et al. 2009).

References:
Bhatia, S. B., Guha, D. K. & McKenzie, K. G. 1972. Checklist of Ostracoda recorded from the Indian subcontinent and Ceylon (1840-1971). In: McKenzie, K. G. (Ed.) "Shallow marine and freshwater Ostracoda of Tethys" IPU Study Group, 59 pp.

Hartmann, G. 1964. Asiatische Ostracoden, systematische und zoogeographische Untersuchungen. Internationale Revue der Gesamten Hydrobiologie, Systematische Beihefte, 3, 1-155.

Karanovic, I. 2005. On the genus Strandesia Stuhlmann, 1888 (Crustacea, Ostracoda, Cyprididae) with description of Strandesia kimberleyi n. sp. and a key to the extant species of the genus. Contributions to Zoology, 74, 79-97.

Karanovic, I. 2012. Recent Freshwater Ostracods of the World. Springer, 608pp.

Okubo, I. 1990. Sixteen species of freshwater Ostracoda from Japan. Bulletin of the Biogeographical Society of Japan, 45, 39-50.

Okubo, I. 2004. Nihon tansui san kaimijinko rui ni tsuite. Kabushikigaisha Sanmon Insatsusho, Okayama, Japan, 72pp. [In Japanese, privately published].

Savatenalinton, S. & Martens, K. 2009a. Generic revision of Cypricercinae McKenzie, 1971 (Crustacea, Ostracoda), with the description of three new genera and one new species and a phylogenetic analysis of the subfamily. Hydrobiologia, 632, 1-48.

Savatenalinton, S. & Martens, K. 2009b Redescription of the type species of Strandesia Stuhlmann, 1888 and Cypricercus Sars, 1895 (Crustacea, Ostracoda, Cypricercinae), with a description of a new species of Cypricercus from South Africa. Zootaxa, 2007, 1-42.

Smith, R. J., Lee, J., & Chang, C. Y. 2014. Nonmarine Ostracoda (Crustacea) from Jeju Island, South Korea, including descriptions of two new species. Journal of Natural History, http://dx.doi.org/10.1080/00222933.2014.946110, 1-40.

Victor, R. & Fernando, C. H. 1979. The freshwater ostracods (Crustacea: Ostracoda) of India. Records of the Zoological Survey of India, 74, 147-242.

Yu, N., Zhao, Q., Li, E., Chen, S. & Chen, L. 2009. An updated and annotated checklist of recent nonmarine ostracods from China. Zootaxa, 2067, 29-50.