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Fig. 1 in Morphological analysis of Tripylina stramenti (Nematoda: Enoplida: Trischistomatidae) firstly recorded in Korea

Fig. 1. Tripylina stramenti (Yeates, 1971) Tsalolikhin, 1983. A, Head region; B, Neck region; C, Entire body; D, Reproductive system; E, Tail region. am, amphid; an, anus; ca, cardia; cg, caudal gland; cs, cephalic setae; dt, dorsal tooth; eg, egg; ils, inner labial sensilla; in, intestine; nr, nerve ring; ols, outer labial setae; ov, ovary; re, rectum; sp, spinneret; st, subventral tooth; va, vagina; vu, vulva.

Fig. 1 in A newly recorded sea urchin, Araeosoma owstoni Mortensen, 1904 (Echinoidea; Echinothurioida; Echinothuriidae), from the Korea Strait

Fig. 1. Distribution of Araeosoma owstoni Mortensen, 1904. A, collection localities of A. owstoni, A. owstoni bicolor (A. Agassiz and H.L. Clark, 1907) and A. owstoni nudum Mortensen, 1934 from previous studies; B, collecting site of A. owstoni of this study and marked as '★' on the map.

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Fig. 5 in Brief description of 18 newly recorded ciliate species from soil and inland waters (Protozoa, Ciliophora) in South Korea

Fig. 5. Lamtostyla longa from life (A-C) and after protargol impregnation (D, E). A. Typical body shape in vivo. B, C. Dorsal and ventral views showing the lack of cortical granules absent. D, E. Somatic and oral ciliature on ventral side. ACR, amphisiellid median cirral row; AZM, adoral zone of membranelles; BC, buccal cirrus; CV, contractile vacuole; FV, food vacuole; LMR, left marginal row; MA, macronuclear nodule; MI, micronucleus; PTC, pretransverse cirri; RMR, right marginal row; TC, transverse cirri. Scale bars = 20 μm.

Fig. 4. A maximum likelihood tree constructed from a 28S in New record of the cold freshwater dinoflagellate Palatinus apiculatus (Dinophyceae) from the Paldang Reservoir, Korea

Fig. 4. A maximum likelihood tree constructed from a 28S rDNA dataset of the Korean Palatinus apiculatus and other freshwater dinoflagellates. A total of 5,000 replicates were run for bootstrap analyses. Members of the genus Palatinus are highlighted in orange. The isolate from this study and its GenBank No. are given in bold font.

Fig. 3. Tricellaria inopinata d in Three newly recorded species of Korean fouling bryozoans

Fig. 3. Tricellaria inopinata d'Hondt and Occhipinti Ambrogi, 1985. A, Colony; B, Zooidal arrangement, spines and scutums; C, Axial zooids at bifurcations; D, Ovicells, divided disto-external proximal spines and lateral avicularia. Scale bars: A = 10 mm; B = 0.3 mm; C = 0.05 mm, D = 0.2 mm.

Fig. 2 in New record of a blood-feeding terrestrial leech, Haemadipsa rjukjuana Oka, 1910 (Haemadipsidae, Arhynchobdellida) on Heuksando Island and possible habitat estimation in the current and future Korean Peninsula using a Maxent model

Fig. 2. Projection of MaxEnt Haemadipsa rjukjuana distribution model from Heuksando Island and Gageodo Island to the current climate condition of South Korea. Red color (lower value) represents less suitable habitats and blue (higher value close to 1.0) represents suitable habitats for H. rjukjuana.

Fig. 1 in New record of a blood-feeding terrestrial leech, Haemadipsa rjukjuana Oka, 1910 (Haemadipsidae, Arhynchobdellida) on Heuksando Island and possible habitat estimation in the current and future Korean Peninsula using a Maxent model

Fig. 1. The map of study sites (inset) and the Korean Peninsula. Haemadipsa rjukjuana was identified from the regions shaded in gray.

Fig. 2 in New record of two marine synchaetid rotifers (Monogononta: Synchaeta) from Korea

Fig. 2. Optical microscopic images of rotifers. A. Synchaeta grimpei. B. Synchaeta vorax. Scale bars: 100 μm.

Fig. 2 in The first record of Ulva adhaerens (Ulvaceae, Chlorophyta) from Jeju Island, Korea

Fig. 2. Phylogenetic tree of Ulvacean species inferred from the plastid tufA including Ulva adhaerens Matsumoto & Shimada collected from Jeju, Korea. Support values on each branch are ML bootstrap (>60%, left) and Bayesian posterior probability (>0.60, right). Sequences produced in this study are marked in bold font. Branch lengths are proportional to substitution rate.

Fig. 3 in New record of two marine synchaetid rotifers (Monogononta: Synchaeta) from Korea

Fig. 3. SEM image of the trophi of Synchaeta grimpei. A. ventral view. B. manubrium, lateral view. C. incus, ventral view. Scale bar: 50 μm.

Fig. 2 in New record of five Euplotes species (Protozoa, Ciliophora) collected from South Korea

Fig. 2. Euplotes nobilii in vivo (A) and after protargol (B, C) and "wet" silver nitrate impregnation (D). A-C. Ventral (A, B) and dorsal (C) views showing the infraciliature. D. Dorsal view showing the argyrome pattern of double-patella type. AZM, adoral zone of membranelles; DK, dorsal kineties; FVC, frontoventral cirri; MC, marginal cirri; TC, transverse cirri. Scale bars: 30 μm (A), 20 μm (B-D).

Fig. 1 in New record of five Euplotes species (Protozoa, Ciliophora) collected from South Korea

Fig. 1. Euplotes focardii in vivo (A) and after protargol (B, C) and "wet" silver nitrate impregnation (D). A-D. Ventral (A, C) and dorsal (B, D) views of two specimens showing the infraciliature and the three ventral and six dorsal ridges. E. Dorsal argyrome in double-eurystomus pattern. AZM, adoral zone of membranelles; CC; caudal cirri; DK, dorsal kineties; FVC, frontoventral cirri; MC, marginal cirri. Scale bars: 20 μm.

Fig. 4 in New record of five Euplotes species (Protozoa, Ciliophora) collected from South Korea

Fig. 4. Euplotes petzi after protargol (A, B) and after "wet" silver nitrate impregnation (C). A, B. Ventral (A) and dorsal (B) view of a representative specimen. Note the narrow separation between the two marginal cirri, a distinctive characteristic of this species. C. Dorsal view showing the argyrome in double-patella pattern. AZM, adoral zone of membranelles; CC; caudal cirri; DK, dorsal kineties; FVC, frontoventral cirri; MC, marginal cirri. Scale bars: 30 μm.

Fig. 1 in New record of three Aspidisca species (Protozoa, Ciliophora) from South Korea

Fig. 1. Aspidisca dentata in life (A, B) and after protargol impregnation (C, D). A, B, Ventral (A) and dorsal (B) view, showing the body shape, the prominent peristomial spur (arrow), and the dorsal thorn (arrowhead). C, D, Ventral (C) and dorsal (D) view, showing the anterior and posterior portion of adoral zone of membranelles, the transverse cirri, and the frontoventral cirri in "polystyla-arrangement". The arrow marks the peristomial spur and the arrowhead denotes the dorsal thorn. AZM1, adoral zone of membranells 1; AZM2, adoral zone of membranelles 2; DK1-4, dorsal kineties; FVC, frontoventral cirri; TC, transverse cirri;. Scale bars = 10 μm.

Fig. 5 in New record of five Euplotes species (Protozoa, Ciliophora) collected from South Korea

Fig. 5. Euplotes raikovi in vivo (A) and after protargol (B, C) and "wet" silver nitrate impregnation (D). A-C. Ventral (A, B) and dorsal (C) views of specimens showing the infraciliature and ventral and dorsal ridges. D. Silverline system on dorsal side of double-patella type. AZM, adoral zone of membranelles; DK, dorsal kineties; FVC, frontoventral cirrus; MC, marginal cirri. Scale bars: 30 μm.

Fig. 3 in New record of five Euplotes species (Protozoa, Ciliophora) collected from South Korea

Fig. 3. Euplotes octocarinatus in vivo (A, B) and after protargol (C, D) and "wet" silver nitrate impregnation (E). A-D. Ventral (A, C) and dorsal (B, D) views of different specimens showing the infraciliature and nuclear apparatus. E. Dorsal argyrome of double-patella type. AZM, adoral zone of membranelles; CC, caudal cirri; DK, dorsal kineties; FVC, frontoventral cirri; MC, marginal cirri. Scale bars: 50 μm.

Fig. 1 in The first record of Ulva adhaerens (Ulvaceae, Chlorophyta) from Jeju Island, Korea

Fig. 1. Phylogenetic tree of Ulvacean species inferred from the plastid rbcL-3P including Ulva adhaerens Matsumoto & Shimada collect- ed from Jeju, Korea. Support values on each branch are ML bootstrap (>60%, left) and Bayesian posterior probability (>0.60, right). Sequences produced in this study are marked in bold font. Branch lengths are proportional to substitution rate.

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Fig. 2 in A newly recorded brittle star, Amphiura (Amphiura) digitula (H.L. Clark, 1911) (Ophiuroidea: Amphilepidida: Amphiuridae), from Geoje Island, Korea

Fig. 2. Neighbor joining (NJ) and maximum likelihood (ML) trees based on 657 bp of the mitochondrial COI gene from 21 Amphiura species, including A. (A.) digitula. Bootstrap support values indicated on each node. (A) Phylogenetic tree of neighbor joining based on the kimura 2-parameter distance model, with 1000 non-parametric bootstrap replicates; (B) phylogenetic tree of maximum likelihood based on the GTR + I + G model, with 1000 bootstrap replicates.

Fig. 3 in A new record of Ardisia walkeri, a hybrid of A. japonica and A. pusilla, (Primulaceae) from Jeju Island, Korea

Fig. 3. Neighbor-Net network (lnL= - 756467.33) of Ardisia plants based on MIG-seq SNP data from the first PCR after 35 cycles (472,598 bp from 3,724 loci).

Fig. 2 in A new record of Ardisia walkeri, a hybrid of A. japonica and A. pusilla, (Primulaceae) from Jeju Island, Korea

Fig. 2. Young stems and petioles of Ardisia plants from Jeju Island. A. A. japonica (G. Kokubugata21530). B. Ardisia spp. (G. Kokubugata 21540). C. A. pusilla (G. Kokubugata21533). The bar indicates 3 mm. Refer to Table 1 for voucher specimen numbers.