Paratrochammina madeirae Brönniman, 1979

Lee, Sue Yeon, Yoo, Jung Sun & Kim, Seung Tae, 2017, Thirty new records of marine benthic Foraminifera from Korean waters, Journal of Species Research 6, pp. 75-93 : 82

publication ID	https://doi.org/ 10.12651/JSR.2017.6
persistent identifier	https://treatment.plazi.org/id/152BAB17-FF9D-FF88-5F26-FD90CE89FAD8
treatment provided by	Felipe
scientific name	Paratrochammina madeirae Brönniman, 1979
status

Treatment

10. Paratrochammina madeirae Brönniman, 1979 View in CoL

( Plate 2. 4)

Paratrochammina madeirae Brönniman, 1979, p. 7 View in CoL , pl. 7, figs. a-c, f, h, pl. 10, figs. b, e (cited from Hottinger et al., 1993).

Material examined. Korea, Yellow Sea , station 31005 (35°19 ʹ 59.579 ʺ N, 125°24 ʹ 22.439 ʺ E), 9 April 2015, by Van Veen Grab, collected by Sangjin Kim. NIBR ID: NIBRPR0000107226 GoogleMaps .

Diagnosis. Test free, rounded, with slightly lobate peripheral margin. Chamber arrangement low trochospiral, chamber size rapidly increased as added. Wall agglutinated with coarse materials. Final chamber accounts for about one-third of total test surface area. Aperture a low interiomarginal arch.

Remarks. This is the first report of the genus Paratrochammina in Korea. There are 27 extant species record- ed. In Loeblich & Tappan (1987), Paratrochammina madeirae Brönniman, 1979 is the type species of the genus Paratrochammina . Paratrochammina differs from Trochammina Parker & Jones, 1859 in having an umbilical-extraumbilical aperture rather than a basal aperture midway between the umbilicus and periphery.

Distribution. Korea, Gulf of California, Gulf of Aqaba, Mediterranean Sea - Eastern Basin.