taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
4FC9BDE644CB5D6A935D2999741BD407.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1579023	https://doi.org/10.3897/zookeys.1275.181694.figure1	Figure 1. Line drawings of Stichotricha koreana sp. nov. from life (A, B) and after protargol impregnation (C, D). A. Ventral view of a representative specimen, length 194 µm; B. Specimen within lorica; C, D. Ventral (C) and dorsal (D) view of the holotype specimen. Note the long narrow anterior portion of body, monokinetid paroral membrane, ciliary rows making ~ half to one body turn, and three bipolar dorsal kineties. The arrowhead in (D) indicates the presence of 2–4 bristles between kineties 2 and 3. Abbreviations: AZM, adoral zone of membranelles; BC, buccal cirrus; CC, caudal cirri; DK 1–3, dorsal kineties 1–3; E, endoral membrane; FC 1, 2, frontal cirri; LVR, left frontoventral row; LM, left marginal row; MA, macronuclear nodules; MI, micronuclei; P, paroral membrane; PBR, parabuccal cirral row; PF, pharyngeal fibers; RM, right marginal row; RVR, right frontoventral row. Scale bars: 50 µm.	Figure 1. Line drawings of Stichotricha koreana sp. nov. from life (A, B) and after protargol impregnation (C, D). A. Ventral view of a representative specimen, length 194 µm; B. Specimen within lorica; C, D. Ventral (C) and dorsal (D) view of the holotype specimen. Note the long narrow anterior portion of body, monokinetid paroral membrane, ciliary rows making ~ half to one body turn, and three bipolar dorsal kineties. The arrowhead in (D) indicates the presence of 2–4 bristles between kineties 2 and 3. Abbreviations: AZM, adoral zone of membranelles; BC, buccal cirrus; CC, caudal cirri; DK 1–3, dorsal kineties 1–3; E, endoral membrane; FC 1, 2, frontal cirri; LVR, left frontoventral row; LM, left marginal row; MA, macronuclear nodules; MI, micronuclei; P, paroral membrane; PBR, parabuccal cirral row; PF, pharyngeal fibers; RM, right marginal row; RVR, right frontoventral row. Scale bars: 50 µm.	2026-04-02	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho		Zenodo	biologists	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho			
4FC9BDE644CB5D6A935D2999741BD407.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1579024	https://doi.org/10.3897/zookeys.1275.181694.figure2	Figure 2. Photomicrographs of Stichotricha koreana sp. nov. from life under the DIC illumination. A, B. Specimens in tube-like lorica; arrowheads mark lorica margin; C, D. Ventral views of specimens showing body shape; E. Dorsal view showing the contractile vacuole and dorsal bristles; F, G. Ventral views showing the adoral zone of membranelles similar to that of the gonostomatids, i. e., straight extending along narrow portion of body with proximal end curved toward mid-body; H. Ventral view showing details of paroral membrane and ventral ciliary rows; arrowhead points to sub-pellicular mitochondria (?) covering entire cell; I. Dorsal view of a specimen pressed by coverslip, revealing cytoplasmic crystals, macronuclear nodules, and numerous food vacuoles. Abbreviations: AZM, adoral zone of membranelles; C, crystals; CV, contractile vacuole; DK, dorsal kineties; E, endoral membrane; FC, frontal cirrus; FV, food vacuole; LM, left marginal row; MA, macronuclear nodules; P, paroral membrane; PF, pharyngeal fibers. Scale bars: 50 µm (A – E, I) and 20 µm (F – H).	Figure 2. Photomicrographs of Stichotricha koreana sp. nov. from life under the DIC illumination. A, B. Specimens in tube-like lorica; arrowheads mark lorica margin; C, D. Ventral views of specimens showing body shape; E. Dorsal view showing the contractile vacuole and dorsal bristles; F, G. Ventral views showing the adoral zone of membranelles similar to that of the gonostomatids, i. e., straight extending along narrow portion of body with proximal end curved toward mid-body; H. Ventral view showing details of paroral membrane and ventral ciliary rows; arrowhead points to sub-pellicular mitochondria (?) covering entire cell; I. Dorsal view of a specimen pressed by coverslip, revealing cytoplasmic crystals, macronuclear nodules, and numerous food vacuoles. Abbreviations: AZM, adoral zone of membranelles; C, crystals; CV, contractile vacuole; DK, dorsal kineties; E, endoral membrane; FC, frontal cirrus; FV, food vacuole; LM, left marginal row; MA, macronuclear nodules; P, paroral membrane; PF, pharyngeal fibers. Scale bars: 50 µm (A – E, I) and 20 µm (F – H).	2026-04-02	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho		Zenodo	biologists	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho			
4FC9BDE644CB5D6A935D2999741BD407.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1579025	https://doi.org/10.3897/zookeys.1275.181694.figure3	Figure 3. Photomicrograph of Stichotricha koreana sp. nov. after protargol impregnation (A – F) and scanning electron microscopy (G – I). A – F. Ventral and dorsal views of the holotype (A, B) and paratype specimens (C – F) showing ciliature and nuclear apparatus, long narrow anterior body portion, and the distal portion of adoral zone of membranelles containing three or four membranelles is curved rightwards. Arrowhead in (A) points to buccal cirrus; G. Ventral view showing details of body shape, ciliature, and buccal cavity; H. Ventral view of the narrow region, showing the adoral zone and cirri in frontal region; arrowhead points to buccal cirrus; I. Dorsolateral view of posterior portion, showing dorsal kineties and caudal cirri (arrowheads). Abbreviations: AZM, Adoral zone of membranelles; CC, caudal cirrus; DK 1-3, dorsal kineties 1-3; E, endoral membrane; FC 1, 2, frontal cirri; LVR, left frontoventral row; LM, left marginal row; MA, macronuclear nodules; MI, micronuclei; P, paroral membrane; PBR, parabuccal cirral row; PF, pharyngeal fibers; RM, right marginal row; RVR, right frontoventral row. Scale bars: 50 µm (A – F) and 20 µm (H, I).	Figure 3. Photomicrograph of Stichotricha koreana sp. nov. after protargol impregnation (A – F) and scanning electron microscopy (G – I). A – F. Ventral and dorsal views of the holotype (A, B) and paratype specimens (C – F) showing ciliature and nuclear apparatus, long narrow anterior body portion, and the distal portion of adoral zone of membranelles containing three or four membranelles is curved rightwards. Arrowhead in (A) points to buccal cirrus; G. Ventral view showing details of body shape, ciliature, and buccal cavity; H. Ventral view of the narrow region, showing the adoral zone and cirri in frontal region; arrowhead points to buccal cirrus; I. Dorsolateral view of posterior portion, showing dorsal kineties and caudal cirri (arrowheads). Abbreviations: AZM, Adoral zone of membranelles; CC, caudal cirrus; DK 1-3, dorsal kineties 1-3; E, endoral membrane; FC 1, 2, frontal cirri; LVR, left frontoventral row; LM, left marginal row; MA, macronuclear nodules; MI, micronuclei; P, paroral membrane; PBR, parabuccal cirral row; PF, pharyngeal fibers; RM, right marginal row; RVR, right frontoventral row. Scale bars: 50 µm (A – F) and 20 µm (H, I).	2026-04-02	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho		Zenodo	biologists	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho			
4FC9BDE644CB5D6A935D2999741BD407.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1579026	https://doi.org/10.3897/zookeys.1275.181694.figure4	Figure 4. Line drawings of a protargol-impregnated morphostatic specimen (A, B) and dividers (C, D) of Stichotricha koreana sp. nov. A, B. Ventral (A) and dorsal (B) view showing body shape and ciliature; C. Ventral view of very early divider; note formation of oral primordium near left frontoventral row with contribution from 4–7 cirri; D. Ventral view of an early divider, showing the line of disoriented basal bodies right to the anterior half of oral primordium and the formation of new adoral membranelles at anterior end of oral primordium. Abbreviations: AZM, adoral zone of membranelles; CC, caudal cirrus; DK 1, 3, dorsal kineties 1.3; E, endoral membrane; FC 1, 2, frontal cirri; LVR, left frontoventral row; LM, left marginal row; MA, macronuclear nodules; MI, micronuclei; OP, oral primordium; P, paroral membrane; PBR, parabuccal cirral row; RM, right marginal row; RVR, right frontoventral row. Scale bars: 50 µm.	Figure 4. Line drawings of a protargol-impregnated morphostatic specimen (A, B) and dividers (C, D) of Stichotricha koreana sp. nov. A, B. Ventral (A) and dorsal (B) view showing body shape and ciliature; C. Ventral view of very early divider; note formation of oral primordium near left frontoventral row with contribution from 4–7 cirri; D. Ventral view of an early divider, showing the line of disoriented basal bodies right to the anterior half of oral primordium and the formation of new adoral membranelles at anterior end of oral primordium. Abbreviations: AZM, adoral zone of membranelles; CC, caudal cirrus; DK 1, 3, dorsal kineties 1.3; E, endoral membrane; FC 1, 2, frontal cirri; LVR, left frontoventral row; LM, left marginal row; MA, macronuclear nodules; MI, micronuclei; OP, oral primordium; P, paroral membrane; PBR, parabuccal cirral row; RM, right marginal row; RVR, right frontoventral row. Scale bars: 50 µm.	2026-04-02	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho		Zenodo	biologists	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho			
4FC9BDE644CB5D6A935D2999741BD407.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1579027	https://doi.org/10.3897/zookeys.1275.181694.figure5	Figure 5. Line drawings of protargol-impregnated dividers of Stichotricha koreana sp. nov. A. Ventral view of an early divider, showing morphogenetic events on ventral surface. Note proliferation of oral primordium and formation of two anlagen, with right segment forming opisthe anlage III (arrowhead); B. Anlage II (arrowhead) of the proter is formed by the disaggregation of the parental buccal cirrus, while anlage III (double arrowheads) develops through the disaggregation of the posterior two or three cirri of the parabuccal row; C, D. Ventral (C) and dorsal (D) view of an early divider, showing the new adoral membranelles differentiating posteriorly near to the end of the oral primordium and the within-row anlagen begins to form at two levels in each dorsal kinety. Abbreviations: AZM, adoral zone of membranelles; DKA, dorsal kinety anlage; E, endoral membrane; LVR, left frontoventral row; LM, left marginal row; MA, macronuclear nodules; OP, oral primordium; P, paroral membrane; PBR, parabuccal cirral row; RM, right marginal row; RVR, right frontoventral row. Scale bars: 50 µm.	Figure 5. Line drawings of protargol-impregnated dividers of Stichotricha koreana sp. nov. A. Ventral view of an early divider, showing morphogenetic events on ventral surface. Note proliferation of oral primordium and formation of two anlagen, with right segment forming opisthe anlage III (arrowhead); B. Anlage II (arrowhead) of the proter is formed by the disaggregation of the parental buccal cirrus, while anlage III (double arrowheads) develops through the disaggregation of the posterior two or three cirri of the parabuccal row; C, D. Ventral (C) and dorsal (D) view of an early divider, showing the new adoral membranelles differentiating posteriorly near to the end of the oral primordium and the within-row anlagen begins to form at two levels in each dorsal kinety. Abbreviations: AZM, adoral zone of membranelles; DKA, dorsal kinety anlage; E, endoral membrane; LVR, left frontoventral row; LM, left marginal row; MA, macronuclear nodules; OP, oral primordium; P, paroral membrane; PBR, parabuccal cirral row; RM, right marginal row; RVR, right frontoventral row. Scale bars: 50 µm.	2026-04-02	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho		Zenodo	biologists	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho			
4FC9BDE644CB5D6A935D2999741BD407.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1579028	https://doi.org/10.3897/zookeys.1275.181694.figure6	Figure 6. Line drawings of protargol-impregnated middle (A, B) and late (C, D) dividers of Stichotricha koreana sp. nov. A, B. Ventral (A) and dorsal (B) view showing the formation of anlagen I – III for proter and opisthe. Opisthe anlagen I – III generated from the oral primordium. Note anlagen for frontoventral rows, marginal rows, and dorsal kineties originate within-row at two levels. Macronuclear nodules fuse into a single mass; C, D. Anlage I produces undulating membranes and frontal cirrus 1; anlage II produces frontal cirrus 2 and buccal cirri; anlage III forms short parabuccal row, but no frontal cirrus. Three caudal cirri, each formed at the posterior end of a newly formed dorsal kinety. At this stage, macronuclear nodules begin second division, and micronuclei divide mitotically. Abbreviations: AM, adoral membranelles, AZM, adoral zone of membranelles; BC, buccal cirrus; CC, caudal cirri; DK 3, dorsal kinety 3; DK 1 A, 3 A, dorsal kineties 1, 3 anlagen; E, endoral membrane; LM, left marginal row; LMA, left marginal row anlage; LVR, left frontoventral row; MA, macronuclear nodules; MI, micronuclei; P, paroral membrane; PBR, parabuccal cirral row; RM, right marginal row; RMA, right marginal row anlage; RVR, right frontoventral row. Roman numerals denote cirral anlagen. Scale bars: 50 µm.	Figure 6. Line drawings of protargol-impregnated middle (A, B) and late (C, D) dividers of Stichotricha koreana sp. nov. A, B. Ventral (A) and dorsal (B) view showing the formation of anlagen I – III for proter and opisthe. Opisthe anlagen I – III generated from the oral primordium. Note anlagen for frontoventral rows, marginal rows, and dorsal kineties originate within-row at two levels. Macronuclear nodules fuse into a single mass; C, D. Anlage I produces undulating membranes and frontal cirrus 1; anlage II produces frontal cirrus 2 and buccal cirri; anlage III forms short parabuccal row, but no frontal cirrus. Three caudal cirri, each formed at the posterior end of a newly formed dorsal kinety. At this stage, macronuclear nodules begin second division, and micronuclei divide mitotically. Abbreviations: AM, adoral membranelles, AZM, adoral zone of membranelles; BC, buccal cirrus; CC, caudal cirri; DK 3, dorsal kinety 3; DK 1 A, 3 A, dorsal kineties 1, 3 anlagen; E, endoral membrane; LM, left marginal row; LMA, left marginal row anlage; LVR, left frontoventral row; MA, macronuclear nodules; MI, micronuclei; P, paroral membrane; PBR, parabuccal cirral row; RM, right marginal row; RMA, right marginal row anlage; RVR, right frontoventral row. Roman numerals denote cirral anlagen. Scale bars: 50 µm.	2026-04-02	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho		Zenodo	biologists	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho			
4FC9BDE644CB5D6A935D2999741BD407.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1579029	https://doi.org/10.3897/zookeys.1275.181694.figure7	Figure 7. Photomicrographs of protargol-impregnated, early dividers of Stichotricha koreana sp. nov. A, B. Ventral views showing the formation of oral primordium (A) and the disoriented basal bodies right to anterior portion of oral primordium to form anlagen I – III; C – G. Proliferation of oral primordium and formation of three anlagen each for proter and opisthe. Arrowhead in C, E, and F indicates the anlage II, which originates from anlage I, while double arrowhead indicates anlage III. Note the within-row formation of ventral, marginal, and dorsal kinety rows; H. Arrowhead points to the formation of anlage II for the proter via disaggregation of buccal cirrus; double arrowheads indicate formation of anlage III for the proter through disaggregation of the 3–5 posterior cirri of parabuccal row. Abbreviations: AM, adoral membranelles; AZM, adoral zone of membranelles; BC, buccal cirrus; CC, caudal cirri; DKA, dorsal kinety anlage; E, endoral membrane; FC 1, frontal cirrus 1; LVR, left frontoventral row; LM, left marginal row; MA, macronuclear nodules; MI, micronuclei; OP, oral primordium; P, paroral membrane; PBR, parabuccal cirral row; RM, right marginal row; RVR, right frontoventral row. Scale bars: 50 µm.	Figure 7. Photomicrographs of protargol-impregnated, early dividers of Stichotricha koreana sp. nov. A, B. Ventral views showing the formation of oral primordium (A) and the disoriented basal bodies right to anterior portion of oral primordium to form anlagen I – III; C – G. Proliferation of oral primordium and formation of three anlagen each for proter and opisthe. Arrowhead in C, E, and F indicates the anlage II, which originates from anlage I, while double arrowhead indicates anlage III. Note the within-row formation of ventral, marginal, and dorsal kinety rows; H. Arrowhead points to the formation of anlage II for the proter via disaggregation of buccal cirrus; double arrowheads indicate formation of anlage III for the proter through disaggregation of the 3–5 posterior cirri of parabuccal row. Abbreviations: AM, adoral membranelles; AZM, adoral zone of membranelles; BC, buccal cirrus; CC, caudal cirri; DKA, dorsal kinety anlage; E, endoral membrane; FC 1, frontal cirrus 1; LVR, left frontoventral row; LM, left marginal row; MA, macronuclear nodules; MI, micronuclei; OP, oral primordium; P, paroral membrane; PBR, parabuccal cirral row; RM, right marginal row; RVR, right frontoventral row. Scale bars: 50 µm.	2026-04-02	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho		Zenodo	biologists	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho			
4FC9BDE644CB5D6A935D2999741BD407.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1579030	https://doi.org/10.3897/zookeys.1275.181694.figure8	Figure 8. Photomicrographs of protargol-impregnated dividers of Stichotricha koreana sp. nov. A – C. Middle (A, B) and late (C) divider showing the formation of three anlagen for the proter (arrowhead points to anlage II; double arrowheads to anlage III) and three anlagen for opisthe, originating from oral primordium. Asterisk in (A) indicates a short additional anlage observed on several occasions in the opisthe, which later joins with the proliferating anlage II. Anlagen for frontoventral rows; marginal rows; and dorsal kineties are formed within-row at two levels. Macronuclear nodules fuse into a single mass (A, B) and then divide two times to form two nodules in each daughter cell in later stage (C). Abbreviations: AM, adoral membranelles; AZM, Adoral zone of membranelles; CC, caudal cirri; DK 3, dorsal kinety 3; FC 1, 2, frontal cirri; LVR, left frontoventral row; LM, left marginal row; MA, macronuclear nodules; RM, right marginal row; RVR, right frontoventral row; UM, undulating membranes. Roman numerals denote cirral anlagen. Scale bars: 50 µm.	Figure 8. Photomicrographs of protargol-impregnated dividers of Stichotricha koreana sp. nov. A – C. Middle (A, B) and late (C) divider showing the formation of three anlagen for the proter (arrowhead points to anlage II; double arrowheads to anlage III) and three anlagen for opisthe, originating from oral primordium. Asterisk in (A) indicates a short additional anlage observed on several occasions in the opisthe, which later joins with the proliferating anlage II. Anlagen for frontoventral rows; marginal rows; and dorsal kineties are formed within-row at two levels. Macronuclear nodules fuse into a single mass (A, B) and then divide two times to form two nodules in each daughter cell in later stage (C). Abbreviations: AM, adoral membranelles; AZM, Adoral zone of membranelles; CC, caudal cirri; DK 3, dorsal kinety 3; FC 1, 2, frontal cirri; LVR, left frontoventral row; LM, left marginal row; MA, macronuclear nodules; RM, right marginal row; RVR, right frontoventral row; UM, undulating membranes. Roman numerals denote cirral anlagen. Scale bars: 50 µm.	2026-04-02	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho		Zenodo	biologists	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho			
4FC9BDE644CB5D6A935D2999741BD407.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1579031	https://doi.org/10.3897/zookeys.1275.181694.figure9	Figure 9. Photomicrographs of protargol-impregnated, late dividers of Stichotricha koreana sp. nov. A – D. Specimens showing events on ventral (A, C) and dorsal (B, D) surfaces. Arrowheads in (A, C) point to newly formed buccal cirri; asterisk in (A) indicates newly-formed short parabuccal row. Note that anlage I produces undulating membranes and frontal cirrus 1, anlage II produces frontal cirrus 2 and buccal cirrus, and anlage III forms parabuccal row, but no frontal cirrus. Three caudal cirri, each is formed at posterior end of a newly developed dorsal kinety. At this stage, macronuclear nodules complete their second division, resulting in two nodules per daughter cell. Abbreviations: AZM, adoral zone of membranelles; CC, caudal cirri; DK 3, dorsal kinety 3; E, endoral membrane; FC 1, 2, frontal cirri; LVR, left frontoventral row; LM, left marginal row; MA, macronuclear nodules; MI, micronuclei; P, paroral membrane; RM, right marginal row; RVR, right frontoventral row. Scale bars: 50 µm.	Figure 9. Photomicrographs of protargol-impregnated, late dividers of Stichotricha koreana sp. nov. A – D. Specimens showing events on ventral (A, C) and dorsal (B, D) surfaces. Arrowheads in (A, C) point to newly formed buccal cirri; asterisk in (A) indicates newly-formed short parabuccal row. Note that anlage I produces undulating membranes and frontal cirrus 1, anlage II produces frontal cirrus 2 and buccal cirrus, and anlage III forms parabuccal row, but no frontal cirrus. Three caudal cirri, each is formed at posterior end of a newly developed dorsal kinety. At this stage, macronuclear nodules complete their second division, resulting in two nodules per daughter cell. Abbreviations: AZM, adoral zone of membranelles; CC, caudal cirri; DK 3, dorsal kinety 3; E, endoral membrane; FC 1, 2, frontal cirri; LVR, left frontoventral row; LM, left marginal row; MA, macronuclear nodules; MI, micronuclei; P, paroral membrane; RM, right marginal row; RVR, right frontoventral row. Scale bars: 50 µm.	2026-04-02	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho		Zenodo	biologists	Bharti, Daizy;Kumar, Santosh;Omar, Atef;Jung, Jae-Ho			
