Keronopsis polychaeta ( Borror, 1966 )

Min, Mi-Hyun Park and Gi-Sik, 2019, New records of one marine and two soil ciliates (Ciliophora: Intramacronucleata) from Korea, Journal of Species Research 8 (1), pp. 113-115 : 114

publication ID

https://doi.org/ 10.12651/JSR.2019.8.1.113

DOI

https://doi.org/10.5281/zenodo.12792833

persistent identifier

https://treatment.plazi.org/id/BE571D30-FFBA-FFE1-FF67-D264FC0D1984

treatment provided by

Felipe

scientific name

Keronopsis polychaeta ( Borror, 1966 )
status

 

2. Keronopsis polychaeta ( Borror, 1966) View in CoL Jankowski,

1979 q극fl각flậflḝ(신%) ( Fig. 1C, D View Fig )

Material examined. From moss-covered soil collected from Toseong-myeon , Goseong-gun, Gangwon-do, Korea (38°12 ʹ N, 128°30 ʹ E), October 21, 2017 GoogleMaps .

Diagnosis. Cell size approximately 140-155 × 80-100 μm after protargol impregnation; ellipsoidal body outline, slightly cephalized, anterior and posterior ends slightly rounded; adoral zone occupied approximately 56% of body length, and composed of 42-50 adoral membranelles; 15-21 frontal coronal cirri; 4 frontoventral rows; 2 or 3 buccal cirri; left and right frontoventral rows with 22- 29 and 30-35 cirri, respectively; left and right marginal rows composed of 29-32 and 29-38 cirri, respectively; 5-7 transverse cirri; 3 dorsal kineties; 2 ellipsoidal macronuclear nodules and 2 or 3 micronuclei.

Voucher slide. A slide of protargol-impregnated specimens has been deposited at the National Institute of Biological Resources, Korea (NIBRPR0000109475).

Remarks. Keronopsis polychaeta was originally described as Paraholosticha polychaeta by Borror (1966), but was subsequently transferred to the genus Keronopsis on the basis of the presence of transverse cirri by Jankowski (1979). Although the Korean population of K. polychaeta is morphologically identical to the American population, they differ in terms of the habitat from which they were collected (moss-covered soil vs. tidal marsh pool, 3‰) ( Borror, 1966).

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