Pristina (Pristinella) jenkinae ( Stephenson, 1931 )

Ji, Su-Jung, Jung, Jongwoo, Kim, Sa Heung, Ahn, Dong-Ha, Kim, Min-Seop, Lee, Jeounghee, Yang, Hee-Min, Lee, Geon Hyuk, Nam, Eunjung, Park, Taeseo, Jöst, Anna B., Pham, Huyen T. M., Park, Jina, Park, Joohee, Keum, Seoyoung, Karanovic, Ivana, Karanovic, Tomislav, Park, Joong-Ki, Jung, Chuleui & Min, Gi-Sik, 2023, Unrecorded species of Korean invertebrates discovered through the project of ‘ Discovery of Korean Indigenous Species’ III, Journal of Species Research 12 (4), pp. 341-354 : 345-346

8. Pristina (Pristinella) jenkinae ( Stephenson, 1931)

( Fig. 8 ) 납ṈÜŤỄḑẽmğḑ (ṳḡ)

Naidium jenkinae Stephenson, 1931

Pristina jenkinae Sperber, 1948

Pristinella jenkinae Brinkhurst, 1985

Material examined. Jejudo (33°29′43.64″N, 126°30′ 44.00″E), Korea ; collected by JH Lee on 20 June 2019.

Deposition. NIBRIV0000901662.

World distribution. Cosmopolitan.

Diagnosis. Prostomium simple, without proboscis. Dorsal and ventral chaetae from segment II. Hair chaetae smooth, both hair and needle chaetae 1 - 2 per bundle, with paral- lel teeth, lower tooth thicker and longer than upper tooth. Ventral chaetae 3 - 7 in anterior bundles, with upper tooth a bit longer or equal to lower, and 2 - 3 and with equal teeth posteriorly.

Remarks. Our specimens were found in streams. Its habitat is brooks with very little water and dominating stonygravel substrates.

Class Polychaeta Grube, 1850 ųƍ강

Order Spionida sensu Rouse and Fauchald, 1997 ảƌ갯mğḑậ

Family Spionidae Grube, 1850 ảƌ갯mğḑâ Genus Pseudopolydora Czerniavsky, 1881 ṵḤảƌ갯mğḑṩ

Figures

Fig. 8. Pristina (Pristinella) jenkinae (Stephenson, 1931). A. dor- sal needle chaeta; B. ventral chaeta of VI. Scale bars=40μm