Rimaleptus similis ( Foissner, 1995 ) Vd

Kim, Ji Hye & Jung, Atef Omar and Jae-Ho, 2020, Brief description of 18 newly recorded ciliate species from soil and inland waters (Protozoa, Ciliophora) in South Korea, Journal of Species Research 9 (3), pp. 251-268 : 261-262

publication ID

https://doi.org/ 10.12651/JSR.2020.9.3.251

DOI

https://doi.org/10.5281/zenodo.13140118

persistent identifier

https://treatment.plazi.org/id/F4296B5C-FFDF-C706-663B-F9B5FC5B06B5

treatment provided by

Felipe

scientific name

Rimaleptus similis ( Foissner, 1995 ) Vd
status

 

13. Rimaleptus similis ( Foissner, 1995) Vd View in CoL ̓ačný &

Foissner, 2012 ( Fig. 13 View Fig )

Material examined. Terrestrial moss collected from Mt. Yeonhwasan , Sinbun-ri , Yeonghyeon-myeon, Goseong-gun, Gyeongsangnam-do, Korea (N 35°4 ʹ 6.4 ʺ, E 128°13 ʹ 53.5 ʺ) on 4 February 2019 GoogleMaps .

Diagnosis. Size in vivo 260 - 280 × 50 - 60 μm and about 135 × 35 μm after protargol impregnation (n = 3). Body narrowly dileptid with rounded posterior end, proboscis length 130 - 170 μm in vivo. A single micronucleus in between two oblong macronuclear nodules. Contractile vacuoles located on dorsal side in a row. Two types of extrusomes attached to proboscis and oral bulge: type I rod-shaped, about 9.0 × 0.7 μm in size; type II oblong, about 3 μm in length. 29 - 36 somatic kineties; preoral kineties oblique, ordinarily to narrowly spaced, each usually composed of two or three narrowly spaced kinetids.

Distribution. Australia, Costa Rica, Kenya, Namib Desert, and Korea

Remarks. The Korean population of R. similis corresponds to the original population ( Foissner, 1995; Vd̓ačný and Foissner, 2012). Rimaleptus similis is similar to the most related species, R. orientalis (Song et al., 1988) Vd ̓ačný & Foissner, 2012, in the arrangement of contractile vacuoles (only on dorsal side), the shape of macronuclear nodules (ellipsoid to oblong), and in the short brush bristles (~3 μm) but they differ mainly in the shape (rod-shaped vs. broadly fusiform) and size (6 - 10 μm vs. 1 - 2 μm) of oral extrusomes (Vd̓ačný and Foissner, 2012).

Voucher slides. Two slides with protargol-impregnated specimens were deposited at the Nakdonggang National Institute of Biological Resources (NNIBRPR11690, NNI BRPR11691).

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