Saracenaria hannoverana ( Franke, 1936 )

Lee, Somin Lee and Wonchoel, 2019, Three new records of recent benthic Foraminifera from Korea, Journal of Species Research 8 (4), pp. 389-394 : 392

3. Saracenaria hannoverana ( Franke, 1936)

( Plate 1 . 3a-d)

Cristellaria (Saracenaria) hannoverana Franke, 1936, p. 98 , pl. 9, fig. 3.

Saracenaria hannoverana : Zheng and Fu, 2008.

Material examined. 1 individual, Korea, East China Sea, station 22 (32°00ʹN, 126°30ʹE), 7 August 2019, by Smith-McIntyre grab, collected by Somin Lee and Nayeon Park, NIBR ID: NIBRPR0000109979 .

Diagnosis. Test is free, elongate, triangular in cross-section, and curved at the basal part. Early portion is planispirally coiled and the later portion is uniserial. Sutures are slightly depressed and gently curved in lateral view. Test is composed of nine chambers, and chamber size gradually increases as added. Aperture is terminal, slightly produced, and radiate. Wall is calcareous, hyaline, and the surface is smooth. Test length is about 950 μm.

Remarks. This species is originally classified as belonging to subgenus Cristellaria (Saracenaria) . According to Hayward et al. (2019), Saracenaria was upgraded to genus level by Zheng and Fu (2008) listing Saracenaria hannoverana as a valid species. This species has been reported from Chinese regions in the East China Sea ( Hayward et al., 2018c) and this is the first report from Korea. According to NIBR (2019), four species belonging to Saracenaria have been reported in Korea: S. altifrons , S. angularis , S. italica , and S. latifrons . Saracenaria hannoverana differs from S. altifrons in the shorter and less inflated apertural face. Saracenaria hannoverana differs from S. angularis by having a smooth periphery without a keel. The present species also differs from S. italica by having a narrower apertural face and constant chamber width. Additionally, S. hannoverana differs from S. latifrons by having a shorter apertural face and a gently acute dorsal margin without keel.

Distribution. Korea and China.

Figures

Plate 1. 1. (a-d) Ammobaculites formosensis Nakamura, 1937; 1a. SEM image, side view; 1b. Digital camera image, side view; 1c. Frontal view; 1d. Apertural side view. 2. (a-d) Cylindroclavulina bradyi (Cushman, 1911); 2a-b. Side view; 2c-d. Apertural side view. 3. (a-d) Saracenaria hannoverana (Franke, 1936); 3a. Side view; 3b. Ventral view; 3c. Dorsal view; 3d. Apertural side view.