taxonID	type	description	language	source
03CD87B13A1FFFDABFFAFE4FFD68FD7C.taxon	materials_examined	Type species: Sinamma oxycera Lin & Li, 2014	en	Cheng, Weihua, Ren, Lingshu, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2022): Two new species of the spider genus Sinamma Lin & Li, 2014 (Araneae, Tetrablemmidae) from Guangdong Province, China. Zootaxa 5091 (3): 443-454, DOI: 10.11646/zootaxa.5091.3.4
03CD87B13A1FFFDABFFAFE4FFD68FD7C.taxon	diagnosis	Diagnosis. See Lin & Li 2014. Composition. Sinamma oxycera Lin & Li, 2014, Sinamma quadrata sp. nov. and Sinamma yingae sp. nov. Distribution. China (Guangdong, Guangxi).	en	Cheng, Weihua, Ren, Lingshu, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2022): Two new species of the spider genus Sinamma Lin & Li, 2014 (Araneae, Tetrablemmidae) from Guangdong Province, China. Zootaxa 5091 (3): 443-454, DOI: 10.11646/zootaxa.5091.3.4
03CD87B13A1FFFDEBFFAFA9CFC98F85F.taxon	description	Figs 1 A – I, 2 A – I, 3 A, B, 4 A – C, 8	en	Cheng, Weihua, Ren, Lingshu, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2022): Two new species of the spider genus Sinamma Lin & Li, 2014 (Araneae, Tetrablemmidae) from Guangdong Province, China. Zootaxa 5091 (3): 443-454, DOI: 10.11646/zootaxa.5091.3.4
03CD87B13A1FFFDEBFFAFA9CFC98F85F.taxon	materials_examined	Type material. Holotype: Male (SYNU- 497), near Donghua Temple (24 º 9 ' 15.48 " N, 113 º 26 ' 36.6 " E; elevation 157 m), Yingde City, Qingyuan City, Guangdong Province, China, 5 April 2021, W. Cheng, Y. Huang, K. Yang and T. Jiang leg. Paratypes: 3 males (SYNU- 498 - 500) and 5 females (SYNU- 501 - 505), same data as holotype.	en	Cheng, Weihua, Ren, Lingshu, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2022): Two new species of the spider genus Sinamma Lin & Li, 2014 (Araneae, Tetrablemmidae) from Guangdong Province, China. Zootaxa 5091 (3): 443-454, DOI: 10.11646/zootaxa.5091.3.4
03CD87B13A1FFFDEBFFAFA9CFC98F85F.taxon	etymology	Etymology. The specific name is an adjective and derives from the Latin word “ quadratus ”, referring to the quadrangular shape of the palpal bulb.	en	Cheng, Weihua, Ren, Lingshu, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2022): Two new species of the spider genus Sinamma Lin & Li, 2014 (Araneae, Tetrablemmidae) from Guangdong Province, China. Zootaxa 5091 (3): 443-454, DOI: 10.11646/zootaxa.5091.3.4
03CD87B13A1FFFDEBFFAFA9CFC98F85F.taxon	diagnosis	Diagnosis. Males of Sinamma quadrata sp. nov. resemble Sinamma oxycera Lin & Li, 2014 in having the conical cheliceral horn, the pointed eye tubercles and the strongly modified leg I. Females of the new species resemble Sinamma oxycera by the finger-shaped inner vulval plate. Males of Sinamma quadrata sp. nov. can be distinguished from Sinamma oxycera and S. yingae sp. nov. by the quadrangular shaped palpal bulb and the beltshaped embolus (Fig. 2 A, B) (vs pyriform-shaped palpal bulb and thread-like embolus in S. oxycera and S. yingae (Lin & Li 2014: fig. 2 A, B; Fig. 6 A, B )). Males of the new species also can be distinguished from S. yingae by having pointed eye tubercles (Fig. 1 G, H) (vs lacking pointed eye tubercles in S. yingae (Fig. 5 G, H )). Females of the new species can be distinguished from S. oxycera Lin & Li, 2014 by lacking cephalic tubercles (Fig. 1 F, I) (vs with a pair of cephalic tubercles in S. oxycera (Lin & Li 2014: fig. 1 F, H )); from S. yingae sp. nov. by having fingershaped inner vulval plate (Fig. 4 C), the posterior part of sternum strongly bulged (Fig. 1 E, F) and the cephalic part slightly elevated (Fig. 1 F) (vs triangle-shaped inner vulval plate (Fig. 7 C), flat posterior part of the sternum (Fig. 5 E, F), and cephalic part slightly sloping, with the highest point of carapace at ocular area (Fig. 5 F) in S. yingae).	en	Cheng, Weihua, Ren, Lingshu, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2022): Two new species of the spider genus Sinamma Lin & Li, 2014 (Araneae, Tetrablemmidae) from Guangdong Province, China. Zootaxa 5091 (3): 443-454, DOI: 10.11646/zootaxa.5091.3.4
03CD87B13A1FFFDEBFFAFA9CFC98F85F.taxon	description	Description. Male (holotype, SYNU- 497). Coloration: body reddish-brown; legs yellowish brown. Measurements: total length 1.31; carapace 0.70 long, 0.57 wide, 0.43 high; abdomen 1.00 long, 0.73 wide, 0.62 high; clypeus 0.39 high; sternum 0.39 long, 0.41 wide. Length of legs: I 1.64 (0.55, 0.20, 0.36, 0.26, 0.27); II 1.51 (0.50, 0.19, 0.35, 0.25, 0.22); III 1.36 (0.41, 0.19, 0.33, 0.20, 0.23); IV 1.80 (0.55, 0.19, 0.45, 0.34, 0.27). Carapace (Fig. 1 A, C, G, H): reticulated, strongly rugose, margin with small denticles; ocular area raised, eye tubercle long, sharp (Fig. 1 G, H); clypeus very high, anterior margin rounded (Fig. 1 G, H); cheliceral horn long, basally wide, distally crooked (Fig. 1 H); sternum with sparse setae, rugose (Fig. 1 B). Legs (Fig. 3 A, B): femur I swollen; tibiae I – III with 3 trichobothria, tibia IV with 4 trichobothria, and metatarsi I-IV with a trichobothrium; tibia I with one very small ventral tubercle (svt); metatarsus I with two distal tubercles (dt). Abdomen (Fig. 1 B, C): booklung covers long oval, dark brown; dorsal scutum oval, finely reticulated; ventral scutum rugose; postgenital plate narrow, subequal in width to preanal plate (Fig. 1 B). Palp (Fig. 2 A – I): femur smooth; patella approximately 1 / 2 femur in length, connected to tibia subbasally; bulb long, quadrangular; embolus long, belt-shaped, curved slightly, strongly sclerotized; sperm duct extending, visible through the bulbal integument. Female (paratype, SYNU- 501). Coloration: same as in male. Measurements: total length 1.49; carapace 0.67 long, 0.53 wide, 0.33 high; abdomen 1.15 long, 0.81 wide, 0.70 high; clypeus 0.22 high; sternum 0.39 long, 0.40 wide. Length of legs: I 1.62 (0.55, 0.18, 0.37, 0.25, 0.27); II 1.51 (0.47, 0.18, 0.34, 0.25, 0.27); III 1.36 (0.39, 0.17, 0.31, 0.24, 0.25); IV 1.79 (0.54, 0.18, 0.46, 0.34, 0.27). Carapace (Fig. 1 D, F, I): cephalic part slightly elevated (Fig. 1 F), clypeus lower than in male; cheliceral horn absent. Posterior part of sternum strongly bulged (Fig. 1 F). Legs as in male, except for leg I undecorated. Abdomen (Fig. 1 E, F): ventral episgastric scutum rugose; postgenital plate straight, as wide as preanal plate; preanal plate rectangular-shape. Genitalia (Fig. 4 A – C): epigynal fold wide (Fig. 4 A); vulval stem wide, strongly sclerotized; lateral horns slightly sclerotized, supporting the base of vulval ducts of spermathecae; inner vulval plate finger-shaped, slightly sclerotized (Fig. 4 C).	en	Cheng, Weihua, Ren, Lingshu, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2022): Two new species of the spider genus Sinamma Lin & Li, 2014 (Araneae, Tetrablemmidae) from Guangdong Province, China. Zootaxa 5091 (3): 443-454, DOI: 10.11646/zootaxa.5091.3.4
03CD87B13A1FFFDEBFFAFA9CFC98F85F.taxon	distribution	Distribution. Known only from the type locality (Fig. 8).	en	Cheng, Weihua, Ren, Lingshu, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2022): Two new species of the spider genus Sinamma Lin & Li, 2014 (Araneae, Tetrablemmidae) from Guangdong Province, China. Zootaxa 5091 (3): 443-454, DOI: 10.11646/zootaxa.5091.3.4
03CD87B13A18FFDDBFFAFF26FC98F8DD.taxon	description	Figs 3 C, D, 5 A – I, 6 A – I, 7 A – C, 8	en	Cheng, Weihua, Ren, Lingshu, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2022): Two new species of the spider genus Sinamma Lin & Li, 2014 (Araneae, Tetrablemmidae) from Guangdong Province, China. Zootaxa 5091 (3): 443-454, DOI: 10.11646/zootaxa.5091.3.4
03CD87B13A18FFDDBFFAFF26FC98F8DD.taxon	materials_examined	Type material. Holotype: Male (SYNU- 495), Xitou Forest Protection Station (24 ° 55 ′ 15 ″ N, 113 ° 4 ′ 56 ″ E; elevation 510 m), Nanling National Natural Reserve, Daqiao Town, Ruyuan Yao Autonomous County, Shaoguan City, Guangdong Province, China, 13 April 2021, W. Cheng, Y. Huang, K. Yang and T. Jiang leg. Paratype: 1 female (SYNU- 496), same data as holotype.	en	Cheng, Weihua, Ren, Lingshu, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2022): Two new species of the spider genus Sinamma Lin & Li, 2014 (Araneae, Tetrablemmidae) from Guangdong Province, China. Zootaxa 5091 (3): 443-454, DOI: 10.11646/zootaxa.5091.3.4
03CD87B13A18FFDDBFFAFF26FC98F8DD.taxon	etymology	Etymology. The species is named after Miss Ying Huang, one of the holotype collectors; noun in genitive case.	en	Cheng, Weihua, Ren, Lingshu, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2022): Two new species of the spider genus Sinamma Lin & Li, 2014 (Araneae, Tetrablemmidae) from Guangdong Province, China. Zootaxa 5091 (3): 443-454, DOI: 10.11646/zootaxa.5091.3.4
03CD87B13A18FFDDBFFAFF26FC98F8DD.taxon	diagnosis	Diagnosis. Males of Sinamma yingae sp. nov. resemble Sinamma oxycera Lin & Li, 2014 in having the conical cheliceral horn, the strongly modified leg I and the pyriform-shaped palpal bulb and thread-like embolus. Females of the new species resemble S. oxycera by the eyes pattern and the well-developed inner vulval plate. Males of Sinamma yingae sp. nov. can be distinguished from Sinamma oxycera Lin & Li, 2014 and S. quadrata sp. nov. by lacking the pointed eye tubercle (Fig. 5 G, H) (vs pointed eye tubercle in S. oxycera and S. quadrata (Lin & Li 2014: fig. 1 E, G; Fig. 1 G, H )). Males of the new species also can be distinguished from S. quadrata sp. nov. by the pyriform-shaped palpal bulb and thread-like embolus (Fig. 6 A, B) (vs quadrangular shaped palpal bulb and beltshaped embolus in S. quadrata (Fig. 2 A, B )). Females of the new species can be distinguished from S. oxycera Lin & Li, 2014 by lacking cephalic tubercles (Fig. 5 F, I) (vs with a pair of cephalic tubercles in S. oxycera (Lin & Li 2014: fig. 1 F, H); from S. quadrata sp. nov. by having triangle-shaped inner vulval plate (Fig. 7 C), flat posterior part of the sternum (Fig. 5 F), and cephalic part slightly sloping, with the highest point of carapace at ocular area (Fig. 5 F) (vs finger-shaped inner vulval plate (Fig. 4 C), the posterior part of sternum strongly bulged (Fig. 1 E, F) and the cephalic part slightly elevated, with the highest point of carapace at posterior 2 / 3 (Fig. 1 F) in S. quadrata).	en	Cheng, Weihua, Ren, Lingshu, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2022): Two new species of the spider genus Sinamma Lin & Li, 2014 (Araneae, Tetrablemmidae) from Guangdong Province, China. Zootaxa 5091 (3): 443-454, DOI: 10.11646/zootaxa.5091.3.4
03CD87B13A18FFDDBFFAFF26FC98F8DD.taxon	description	Description. Male (holotype, SYNU- 495). Coloration: body reddish-brown; legs yellowish brown. Measurements: total length 1.41; carapace 0.71 long, 0.55 wide, 0.42 high; abdomen 0.97 long, 0.74 wide, 0.56 high; clypeus 0.35 high; sternum 0.42 long, 0.42 wide. Length of legs: I 1.69 (0.65, 0.19, 0.36, 0.23, 0.26); II 1.58 (0.54, 0.17, 0.36, 0.25, 0.26); III 1.43 (0.44, 0.16, 0.33, 0.27, 0.23); IV 1.78 (0.56, 0.17, 0.47, 0.33, 0.25). Carapace (Fig. 5 A, C, G, H): reticulated, margin with small denticles; ocular area raised (Fig. 5 C, G, H); clypeus very high, anterior margin rounded (Fig. 5 G, H); cheliceral horn long, basally wide, with a small apophysis, distally crooked (Fig. 5 H); sternum with sparse setae, reticulate (Fig. 5 B). Legs (Fig. 3 C, D): femur I swollen; tibiae I – III with 3 trichobothria, tibia IV with 4 trichobothria, and metatarsi I-IV with a trichobothrium; tibia I with two large distal tubercles (ldt); metatarsus I with one proximal (pt) and two distal tubercles (dt). Abdomen (Fig. 5 A – C): booklung covers oval, brown; dorsal scutum oval, finely reticulated; ventral scutum rugose; postgenital plate narrow, shorter in width to preanal plate. Palp (Fig. 6 A – I): femur smooth; patella approximately 2 / 3 femur in length, connected to tibia subbasally; bulb long, pyriform; embolus long, thread-like, curved slightly, strongly sclerotized; sperm duct extending, visible through the bulbal integument. Female (paratype, SYNU- 496). Coloration: same as in male. Measurements: total length 1.41; carapace 0.65 long, 0.50 wide, 0.30 high; abdomen 0.91 long, 0.67 wide, 0.49 high; clypeus 0.19 high; sternum 0.38 long, 0.38 wide. Length of legs: I 1.40 (0.47, 0.16, 0.32, 0.22, 0.23); II 1.35 (0.44, 0.16, 0.30, 0.22, 0.23); III - (0.31, 0.15, 0.27, -, -); IV 1.64 (0.52, 0.16, 0.43, 0.30, 0.23). Carapace (Fig. 5 D, F, I): cephalic part slightly sloping, clypeus lower than in male; cheliceral horn absent. Legs as in male, except for leg I undecorated. Abdomen (Fig. 5 E, F): ventral episgastric scutum rugose; postgenital plate straight, wider than preanal plate; preanal plate rectangular-shape. Genitalia (Fig. 7 A – C): epigynal fold wide (Fig. 7 A); vulval stem wide, strongly sclerotized; lateral horns slightly sclerotized, supporting the base of vulval ducts of spermathecae; inner vulval plate triangle-shaped, slightly sclerotized (Fig. 7 C).	en	Cheng, Weihua, Ren, Lingshu, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2022): Two new species of the spider genus Sinamma Lin & Li, 2014 (Araneae, Tetrablemmidae) from Guangdong Province, China. Zootaxa 5091 (3): 443-454, DOI: 10.11646/zootaxa.5091.3.4
03CD87B13A18FFDDBFFAFF26FC98F8DD.taxon	distribution	Distribution. Known only from the type locality (Fig. 8).	en	Cheng, Weihua, Ren, Lingshu, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2022): Two new species of the spider genus Sinamma Lin & Li, 2014 (Araneae, Tetrablemmidae) from Guangdong Province, China. Zootaxa 5091 (3): 443-454, DOI: 10.11646/zootaxa.5091.3.4
