taxonID	type	description	language	source
3B9D3D6B38C75FD2B983447A057469F4.taxon	description	Figs 5, 6, 7	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
3B9D3D6B38C75FD2B983447A057469F4.taxon	description	Description. Body moderately robust (Fig. 5). Rostrum short and broad, reaching 3 / 4 to 4 / 5 of scaphocerite, 0.4 – 0.5 times of cl, slightly convex above orbital margin. Dorsal margin with 8 – 10 teeth (mode 9), including 2 – 3 teeth behind orbit, starting from about 1 / 4 of carapace length. Dorsal teeth equally spaced, except most posterior tooth more widely spaced than others. Ventral margin with 2 – 4 teeth (Fig. 6 A). Eyes with cornea totally degenerated. Ocular peduncle small, elliptical and non-pigmented (Figs 5, 6 A). Carapace (Figs 5, 6 A) smooth and glabrous. Antennal spine small, tip reaching anterolateral margin of carapace. Hepatic spine small, lying behind and below antennal spine. Abdomen (Fig. 5) smooth and glabrous. First to third pleurites broadly rounded, fourth and fifth pleurites slightly produced posteriorly. Sixth somite 1.2 – 1.5 times as long as fifth somite, with posteroventral angle slightly protruded. Telson 1.5 times length of sixth segment, 0.4 – 0.5 times of cl. Tapered posteriorly, with a sharp point. Dorsal surface with two pairs of spines, occasionally with 1 or 3 teeth. Posterior margin bearing two pairs of lateral spines. Inner spines obviously longer than outer spines, with plumose setae between inner spines (Fig. 7 I). Antennule (Fig. 6 B) with sharp stylocerite, reaching about half of basal segment of antennular peduncle. Basal segment broad, about 2 times as wide as second segment, as long as wide; distolateral spine of basal antennular segment slender, reaching beyond half of second segment. Second segment ca. 0.4 times as long as basal segment, ca. 0.5 times as long as distal segment. All segments except distal segment with submarginal plumose setae. Scaphocerite about 2.4 times longer than wide. Inner margin somewhat convex, lateral margin strait, with stout distolateral tooth, not reaching anterior margin (Fig. 6 C). Mandible typical of genus, with three-segmented palp, distal segment slightly longer than the other two segments; incisor process with three sharp teeth; molar process robust, truncate distally (Fig. 6 D). Maxillular palp bilobed, upper lobe slender, slightly longer than lower lobe, with few setae distally; lower lobe stout and small, no setae. upper lacinia broadly elongated, distal margin with rows of strong spines, lower lacinia shorter than upper lacinia, tapering distally, densely setose (Fig. 6 E). Maxilla with simple palp; basal endite deeply bilobed, upper and lower lobes subequal and digitiform, with numerous simple setae distally; scaphognathite broad, about 3.8 times as long as wide (Fig. 6 F). First maxilliped with simple and small palp, basal and coxal endites distinct, tip of flagellum of exopod densely setose, epipod deeply bilobed (Fig. 6 G). Second maxilliped with 5 - segmented endopod, flagellum with numerous plumose setae distally, epipod simple, with developed podobranch (Fig. 6 H). Third maxilliped with robust endopod; antepenultimate with row of simple setae on inner margin; penultimate 0.6 times length of antepenultimate, with rows of long, simple setae on inner margin; ultimate segment about 0.8 times penultimate segment, with rows of long, simple setae on inner and outer margins; exopod well developed, reaching 0.8 times the length of antepenultimate, with plumose setae distally (Fig. 7 A). First pereiopod slender, reaching beyond end of scaphocerite. Ischium 0.6 times as long as merus; merus as long as carpus; carpus 1.7 times as long as chela; finger 1.2 times as long as palm (Fig. 7 B, C). Second pereiopod moderately robust, subequal in size, similar in both sexes. Merus 1.5 times as long as the ischium; carpus 0.9 times as long as merus, 1.1 times as long as palm; palm slightly inflated; finger 1.4 times as long as palm, glabrous (Figs 7 D, E). Third pereiopod slender, merus 1.8 times as long as carpus; carpus 0.5 times as long as propodus; propodus 5.7 times as long as dactylus with several small spines on ventral margin (Fig. 7 F). Fourth pereiopod longer than third pereiopod, generally similar in form (Fig. 7 G). Fifth pereiopod slenderer and longer than third. merus 1.4 times as long as carpus; carpus 0.6 times as long as propodus; propodus 8.9 times as long as dactylus, with several small spines on ventral margin; dactylus terminating in a small claw (Fig. 7 H). Male first pleopod with endopod shorter than half length of exopod, inner margin concave, outer margin slightly convex. Male second pleopod with well-developed appendix masculina bearing numerous spiniform setae. Appendix interna digitiform, reaching to 0.6 length of appendix masculina. Uropodal diaeresis with inner movable spine shorter than outer angle.	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
3B9D3D6B38C75FD2B983447A057469F4.taxon	distribution	Distribution. Du’an County, Guangxi, China.	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
32BB33018713581BAE1FF308A5751EB9.taxon	diagnosis	Diagnosis. Body semi-transparent. Carapace and abdomen smooth and glabrous. Rostrum straight, tip bifurcate and reaching beyond end of scaphocerite, 0.7 times of cl. Dorsal margin armed with 7 or 8 teeth, including 3 or 4 teeth behind orbit. Dorsal teeth placed more widely on anterior part. Ventral margin armed with 4 to 6 teeth. Eyes with cornea totally degenerated. Ocular peduncle small, elliptical and non-pigmented. Scaphocerite about 3.0 times longer than wide. Second pereiopod slender, subequal in size and similar for both sexes. Ischium 0.9 times as long as merus; merus as long as carpus; carpus 1.5 times as long as palm; finger 1.7 times as long as palm, palm slightly inflated.	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
32BB33018713581BAE1FF308A5751EB9.taxon	distribution	Distribution. Jingxi County, Guangxi, China.	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
335A3DCA3D9B5AD6BA79968D02E15E8C.taxon	description	Figs 8, 9, 10	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
335A3DCA3D9B5AD6BA79968D02E15E8C.taxon	description	Description. Body moderately robust (Fig. 8). Rostrum (Figs 8, 9 A) reaching to end of scaphocerite, 0.4 – 0.7 times of cl, straight, or slightly upward distally. Dorsal margin with 8 – 11 teeth (mode 9), including 3 – 4 teeth behind orbit (mode 3), starting from about 1 / 3 of carapace length. Dorsal teeth equally space, or teeth more widely spaced on postorbital regions than on anterior. Ventral margin with 2 – 4 teeth (mode 3). Eyes with cornea totally degenerated. Ocular peduncle small, elliptical and non-pigmented (Figs 8, 9 A). Carapace smooth and glabrous. Antennal spine small, tip reaching anterolateral margin of carapace. Hepatic spine small, lying behind and below antennal spine (Figs 8, 9 A). Abdomen smooth and glabrous. First to third pleurites broadly rounded, fourth and fifth pleurites slightly produced posteriorly. Sixth somite 1.4 – 1.7 times as long as fifth somite, with posteroventral angle slightly protruded (Figs 8, 9 A). Telson 1.5 times length of sixth segment, 0.4 – 0.5 times of cl. Tapered posteriorly, with a sharp point. Dorsal surface with two pairs of small spines. Posterior margin bearing two pairs of lateral spines. Inner spines obviously longer than outer spines, with plumose setae between inner spines (Fig. 10 G). Antennule with sharp stylocerite, reaching about half of basal segment of antennular peduncle. Basal segment broad, about 1.5 times as wide as second segment, as long as wide; distolateral spine of basal antennular segment slender, reaching 0.4 times as long as second segment. Second segment as long as basal segment, ca. 1.2 times as long as distal segment. All segments except distal segment with submarginal plumose setae (Fig. 9 B). Scaphocerite about 2.2 times longer than wide. Inner margin somewhat convex; lateral margin strait, with stout distolateral tooth, not reaching anterior margin (Fig. 9 C). Mandible typical of genus, with three-segmented palp; three segments subequal in length; incisor process with three sharp teeth; molar process robust, truncate distally (Fig. 9 D). Maxillular palp deeply bilobed, upper lobe robust, longer than lower lobe, with few setae distally; lower lobe stout and small, devoid of setae with tip hook-like. Upper lacinia broadly elongated, distal margin with rows of strong spines, lower lacinia shorter than upper lacinia, tapering distally, densely setose (Fig. 9 E). Maxilla with simple palp; basal endite deeply bilobed, upper and lower lobes subequal and digitiform, with numerous simple setae distally; scaphognathite broad, about 4.7 times as long as wide (Fig. 9 F). First maxilliped with simple and small palp, basal and coxal endites distinct, tip of flagellum of exopod densely setose, epipod deeply bilobed (Fig. 9 G). Second maxilliped with 5 - segmented endopod, flagellum with numerous plumose setae distally, epipod simple, with developed podobranch (Fig. 9 H). Third maxilliped with robust endopod; antepenultimate with rows of simple setae on inner margin; penultimate 0.6 times length of antepenultimate, with rows of long, simple setae on inner and lateral margins; ultimate segment about 0.8 times penultimate segment, with rows of long, simple setae; exopod well-developed, reaching 0.7 times the length of antepenultimate, with plumose setae distally (Fig. 10 A). First pereiopod slender, reaching beyond end of scaphocerite by carpus. Ischium 0.5 times as long as merus; merus 0.9 times as long as carpus; carpus 1.8 times as long as chela; finger 1.3 times as long as palm (Fig. 10 B). Second pereiopod moderately robust, subequal in size, similar in both sexes. Merus 1.2 times as long as the ischium; carpus 0.9 times as long as merus, 1.4 times as long as palm; palm slightly inflated; finger 1.6 times as long as palm (Fig. 10 C, D). Third pereiopod slender, merus 2.3 times as long as carpus; carpus 0.5 times as long as propodus; propodus 2.7 times as long as dactylus with several small spines on ventral margin (Fig. 10 E). Fourth pereiopod longer than third pereiopod, similar in form. Fifth pereiopod slenderer and longer than third. merus 1.7 times as long as carpus; carpus 0.5 times as long as propodus; propodus 4.8 times as long as dactylus, with several small spines on ventral margin; dactylus terminating in a small claw (Fig. 10 F). Male first pleopod with endopod about half length of exopod, inner margin concave, outer margin slightly convex. Male second pleopod with well-developed appendix masculina bearing numerous spiniform setae. Appendix interna digitiform, reaching to 0.6 length of appendix masculina. Uropodal diaeresis with inner movable spine shorter than outer angle.	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
335A3DCA3D9B5AD6BA79968D02E15E8C.taxon	etymology	Etymology. This species is named after the type locality, highlighting that this is the first stygobitic Macrobrachium species found in Guizhou Province.	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
335A3DCA3D9B5AD6BA79968D02E15E8C.taxon	distribution	Distribution. Libo County, Guizhou Province, China.	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
03F31ABC780D5E78A4D1C61E00949DAA.taxon	description	Fig. 11	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
03F31ABC780D5E78A4D1C61E00949DAA.taxon	distribution	Distribution. Lingyun County, Guangxi, China.	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
1119FDB1D2155CE8B439F630422D723B.taxon	description	Figs 2, 3, 4	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
1119FDB1D2155CE8B439F630422D723B.taxon	diagnosis	Diagnosis. Body semi-transparent to yellowish with ochreous marks on surface of carapace and abdomen, all appendages semi-transparent. Carapace and abdomen smooth and glabrous. Rostrum slender, reaching end of scaphocerite, 0.5 – 0.8 times of cl, straight, or slightly upward. Dorsal margin with 5 – 10 teeth, including 2 – 4 teeth behind orbit, starting from about 1 / 3 of carapace length. Dorsal teeth equally spaced, anterior part of rostrum without or only with one tooth. Ventral margin with 2 – 5 teeth (mode 4). Eyes with cornea strongly degenerated, only small area on tip pigmented. Ocular peduncle small and elliptical. Scaphocerite about 3.0 times longer than wide. Second pereiopod slender, subequal in size and similar for both sexes. Ischium 0.9 times as long as merus; merus 0.8 times as long as carpus; carpus as long as chela; finger 1.6 times as long as palm, palm not inflated. Uropodal diaeresis with inner movable spine subequal to outer angle.	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
1119FDB1D2155CE8B439F630422D723B.taxon	description	Description. Body slender (Fig. 2). Rostrum slender, reaching end of scaphocerite, 0.5 – 0.8 times of cl, straight, or slightly upward distally. Dorsal margin with 5 – 10 teeth, including 2 – 4 teeth behind orbit, starting from about 1 / 3 of carapace length. Dorsal teeth equally spaced, anterior part of rostrum without or only with one tooth. Ventral margin with 2 – 5 teeth (mode 4) (Figs 2, 3 A). Eyes with cornea strongly degenerated, only small area on tip pigmented. Ocular peduncle small and elliptical (Figs 2, 3 A). Carapace smooth and glabrous. Antennal spine small, tip overreaching anterolateral margin of carapace. Hepatic spine small, lying behind and below antennal spine (Figs 2, 3 A). Abdomen smooth and glabrous. First to third pleurites broadly rounded, fourth and fifth pleurites slightly produced posteriorly. Sixth somite 1.4 – 1.9 times as long as fifth somite, with posteroventral angle slightly protruded in a sharp tip. Telson 1.4 – 1.5 times length of sixth segment, 0.5 – 0.6 times of cl. Tapered posteriorly, with a sharp point. Dorsal surface with two pairs of spines. Posterior margin bearing two pairs of lateral spines. Inner spines obviously longer than outer spines, with plumose setae between inner spines (Fig. 4 I). Antennule with stout stylocerite, reaching about 1 / 4 length of basal segment of antennular peduncle. Basal segment broad, about 1.8 times as wide as second segment, as long as wide; distolateral spine of basal antennular segment small, reaching about 1 / 3 length of second segment. Second segment ca. 0.8 times as long as basal segment, ca. 0.9 times as long as distal segment. All segments except distal segment with submarginal plumose setae (Fig. 3 B). Scaphocerite about 3.0 times longer than wide. Inner margin somewhat convex; lateral margin strait, with sharp distolateral tooth, not reaching anterior margin (Fig. 3 C). Mandible typical of genus, with three-segmented palp of subequal length; incisor process with three sharp teeth; molar process robust, truncate distally (Fig. 3 D). Maxillular palp bilobed, upper lobe slender, digitiform, slightly longer than lower lobe, with few setae distally; lower lobe stout and small. Upper lacinia broadly elongated, distal margin with rows of strong spines, lower lacinia shorter than upper lacinia, tapering distally, densely setose (Fig. 3 E). Maxilla with simple palp; basal endite deeply bilobed, upper and lower lobes subequal and digitiform, with numerous simple setae distally; scaphognathite broad, about 3.7 times as long as wide (Fig. 3 F). First maxilliped with simple and small palp, basal and coxal endites distinct, tip of flagellum of exopod densely setose, epipod deeply bilobed (Fig. 3 G). Second maxilliped with 5 - segmented endopod, flagellum with numerous plumose setae distally, epipod simple, with developed podobranch (Fig. 3 H). Third maxilliped with robust endopod; antepenultimate with row of simple setae on inner margin; penultimate 0.7 times length of antepenultimate, with rows of long, simple setae on inner margin; ultimate segment about 0.9 times penultimate segment, with rows of long, simple setae on inner and outer margins; exopod well-developed, reaching 0.7 times the length of antepenultimate, with plumose setae distally (Fig. 4 A). First pereiopod slender, reaching beyond end of scaphocerite. Ischium 0.6 times as long as merus; merus 0.8 times as long as carpus; carpus 2.7 times as long as chela; finger 1.2 times as long as palm (Fig. 4 B, C). Second pereiopod slender, subequal in size and similar for both sexes. Ischium 0.9 times as long as merus; merus 0.8 times as long as carpus; carpus as long as chela; finger 1.6 times as long as palm, palm not inflated (Fig. 4 D, E). Third pereiopod slender, merus 1.4 times as long as carpus; carpus 0.7 times as long as propodus; propodus 5.3 times as long as dactylus (Fig. 4 F). Fourth pereiopod longer than third pereiopod, generally similar in form (Fig. 4 G). Fifth pereiopod slenderer and longer than third. Merus 1.4 times as long as carpus; carpus 0.7 times as long as propodus; propodus 7.0 times as long as dactylus; dactylus terminating in a small claw (Fig. 4 H). Male first pleopod with endopod about 1 / 3 length of exopod, inner margin concave, outer margin slightly convex. Male second pleopod with well-developed appendix masculina bearing numerous spiniform setae. Appendix interna digitiform, reaching to 0.7 length of appendix masculina. Uropodal diaeresis with inner movable spine subequal to outer angle.	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
1119FDB1D2155CE8B439F630422D723B.taxon	etymology	Etymology. The specific name is a Latin word meaning “ little ” referring to the relatively small body size of the species.	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
1119FDB1D2155CE8B439F630422D723B.taxon	distribution	Distribution. Du’an County, Guangxi, China.	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
BCD3FAA14D4E52FD92A69339364F7ED2.taxon	diagnosis	Diagnosis. Body yellowish, all appendages generally translucent to faint yellow. Carapace and abdomen smooth and glabrous. Rostrum slender, slightly convex above orbital margin, 0.8 – 1.1 times of cl, overreaching scaphocerite. Dorsal margin with 11 – 12 teeth, including 3 or 4 teeth behind orbit. Dorsal teeth placed more widely on anterior part. Ventral margin with 3 or 4 teeth. Eyes well-developed. Scaphocerite about 4.1 times longer than wide. Second pereiopod slender, subequal in size, similar in both sexes. Merus 1.1 – 1.2 times as long as ischium; carpus 1.2 – 1.3 times as long as merus, 1.1 times as long as palm; palm not inflated; finger 0.8 – 0.9 times as long as palm. Uropodal diaeresis with inner movable spine slightly longer than outer angle.	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
BCD3FAA14D4E52FD92A69339364F7ED2.taxon	distribution	Distribution. Mashan County and Du’an County, Guangxi, China.	en	Jiang, Xuankong, Zhou, Jiajun, Ma, Kayan, Wang, Yaqin, Xie, Zhicai, Chen, Huiming (2025): The cavernicolous freshwater prawn in China, with description of two new species (Decapoda, Palaemonidae, Macrobrachium). Zoosystematics and Evolution 101 (4): 1531-1554, DOI: 10.3897/zse.101.154936
