Leptobrachella bijie

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Wang J, Li Y, Li Y, Chen H, Zeng Y, Jing-Min Shen, Wang Y (2019) Morphology, molecular genetics, and acoustics reveal two new species of the genus Leptobrachella from northwestern Guizhou Province, China (Anura, Megophryidae). ZooKeys 848 : 119–154, doi. Versioned wiki page: 2019-05-20, version 176599, https://species-id.net/w/index.php?title=Leptobrachella_bijie&oldid=176599 , contributors (alphabetical order): Pensoft Publishers.

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BibTeX:

@article{Wang2019ZooKeys848,
author = {Wang, Jian AND Li, Yu-Long AND Li, Yao AND Chen, Hong-Hui AND Zeng, Ya-Jun AND Jing-Min Shen, AND Wang, Ying-Yong},
journal = {ZooKeys},
publisher = {Pensoft Publishers},
title = {Morphology, molecular genetics, and acoustics reveal two new species of the genus Leptobrachella from northwestern Guizhou Province, China (Anura, Megophryidae)},
year = {2019},
volume = {848},
issue = {},
pages = {119--154},
doi = {10.3897/zookeys.848.29181},
url = {https://zookeys.pensoft.net/articles.php?id=29181},
note = {Versioned wiki page: 2019-05-20, version 176599, https://species-id.net/w/index.php?title=Leptobrachella_bijie&oldid=176599 , contributors (alphabetical order): Pensoft Publishers.}

}

RIS/ Endnote:

TY - JOUR
T1 - Morphology, molecular genetics, and acoustics reveal two new species of the genus Leptobrachella from northwestern Guizhou Province, China (Anura, Megophryidae)
A1 - Wang J
A1 - Li Y
A1 - Li Y
A1 - Chen H
A1 - Zeng Y
A1 - Jing-Min Shen
A1 - Wang Y
Y1 - 2019
JF - ZooKeys
JA -
VL - 848
IS -
UR - http://dx.doi.org/10.3897/zookeys.848.29181
SP - 119
EP - 154
PB - Pensoft Publishers
M1 - Versioned wiki page: 2019-05-20, version 176599, https://species-id.net/w/index.php?title=Leptobrachella_bijie&oldid=176599 , contributors (alphabetical order): Pensoft Publishers.

M3 - doi:10.3897/zookeys.848.29181

Wikipedia/ Citizendium:

<ref name="Wang2019ZooKeys848">{{Citation
| author = Wang J, Li Y, Li Y, Chen H, Zeng Y, Jing-Min Shen, Wang Y
| title = Morphology, molecular genetics, and acoustics reveal two new species of the genus Leptobrachella from northwestern Guizhou Province, China (Anura, Megophryidae)
| journal = ZooKeys
| year = 2019
| volume = 848
| issue =
| pages = 119--154
| pmid =
| publisher = Pensoft Publishers
| doi = 10.3897/zookeys.848.29181
| url = https://zookeys.pensoft.net/articles.php?id=29181
| pmc =
| accessdate = 2025-04-03

}} Versioned wiki page: 2019-05-20, version 176599, https://species-id.net/w/index.php?title=Leptobrachella_bijie&oldid=176599 , contributors (alphabetical order): Pensoft Publishers.</ref>

See also the citation download page at the journal.


Taxonavigation

Ordo: Anura
Familia: Megophryidae
Genus: Leptobrachella

Name

Leptobrachella bijie J. Wang, Y.L. Li, Y. Li, H.H. Chen & Y.Y. Wang sp. nov.Wikispecies linkZooBank linkPensoft Profile

Holotype

SYS a007316, adult male, collected by Jian Wang (JW hereafter) and Yulong Li (YLL hereafter) on 6 July 2018 from Qingshan Village (27°39'24"N, 105°23'14"E; 1670 m a.s.l.) in Zhaozishan Nature Reserve, Linkou Town, Qixingguan District, Bijie City, Guizhou Province, China.

Paratypes

Seven adult males, SYS a007313/CIB 110002, SYS a007314–7315, 7317–7320, collected by Honghiu Chen (HHC hereafter), Yongyou Zhao (YYZ hereafter) and Jiahe Li (JHL), the same collection data as the holotype.

Diagnosis

(1) small size (SVL 29.0–30.4 mm in eight adult males), (2) dorsal skin shagreened, some of the granules forming longitudinal short skin ridges, (3) iris bicolored, coppery orange on upper half and silver on lower half, (4) tympanum distinctly discernible, slightly concave, distinct black supratympanic line present, (5) internasal distance equal to interorbital distance, (6) supra-axillary, femoral, pectoral and ventrolateral glands distinctly visible, (7) absence of webbing and lateral fringes on fingers, toes with rudimentary webbing and narrow lateral fringes, (8) longitudinal ridges under toes not interrupted at the articulations, (9) relative finger lengths I = II = IV < III, relative toe length I < II < V = III < IV, (10) heels just meeting, tibia-tarsal articulation reaches the region between middle of eye to anterior corner of eye, (11) dorsal surface shagreened and granular, lacking enlarge tubercles or warts, some of the granules forming short longitudinal folds, (12) dorsum greyish-brown grounding, with small light orange granules, distinct darker brown markings scattered with irregular light orange pigmentations, (13) flanks with several dark blotches, longitudinally in two rows, (14) ventral surface white, with distinct nebulous greyish speckling on chest and ventrolateral flanks, (15) dorsal limbs including fingers and toes with dark bars, and (16) dense tiny conical spines present on surface of chest in males during breeding season.

Comparisons

Comparative morphological data of Leptobrachellabijie sp. nov. and 45 recognized Leptobrachella species occurring north of the Isthmus of Kra were listed in Table 5.
Compared with the 26 known congeners of the genus Leptobrachella occurring south of the Isthmus of Kra, by the presence of supra-axillary and ventrolateral glands, L.bijie sp. nov. can be easily distinguished from L.arayai, L.dringi, L.fritinniens, L.gracilis, L.hamidi, L.heteropus, L.kajangensis, L.kecil, L.marmorata, L.melanoleuca, L.maura, L.picta, L.platycephala, L.sabahmontana, and L.sola, all of which lacking supra-axillary and ventrolateral glands; and by the significantly larger body size, SVL 29.0–30.4 mm in males, L.bijie sp. nov. differs from the smaller L.baluensis (14.9–15.9 mm in males), L.brevicrus (17.1–17.8 mm in males), L.bondangensis (17.8 mm in male), L.fusca (16.3 mm in male), L.itiokai (15.2–16.7 mm in males), L.juliandringi (17.0–17.2 mm in males), L.mjobergi (15.7–19.0 mm in males), L.natunae (17.6 mm in one adult male), L.parva (15.0–16.9 mm in males), L.palmata (14.4–16.8 mm in males), L.serasanae (16.9 mm in female), and Dring’s (1983)[1]Leptobrachella sp. 3 “baluensis” (15.0–16.0 mm in males).

Table 5. Selected diagnostic characters for species described herein and species in the genus Leptobrachella occurring north of the Isthmus of Kra (modified from Rowley et al. 2017[2]; Yuan et al. 2017[3]; Yang et al. 2018[4]; Wang et al. 2018).
Species Male SVL (mm) Black spots on flanks Toes webbing Fringes on toes Ventral coloration Dorsal skin texture
L.bijie sp. nov. 29.0–30.4 Yes Rudimentary Narrow White with distinct nebulous greyish speckling on chest and ventrolateral flanks Shagreened and granular
L.purpuraventra sp. nov. 27.3–29.8 Yes Rudimentary Narrow Grey purple with distinct nebulous greyish speckling on chest and ventrolateral flanks Shagreened and granular
L. aerea 25.1–28.9 No Rudimentary Wide Near immaculate creamy white, brown specking on margins Finely tuberculate
L. alpinus 24.0–26.4 Yes Rudimentary Wide in males Creamy-white with dark spots Relatively smooth, some with small warts
L. applebyi 19.6–22.3 Yes Rudimentary No Reddish brown with white speckling Smooth
L. ardens 21.3–24.7 Yes No No Reddish brown with white speckling Smooth- finely shagreened
L. bidoupensis 18.5–25.4 Yes Rudimentary Weak Reddish brown with white speckling Smooth
L. botsfordi 29.1–32.6 No Rudimentary Narrow Reddish brown with white speckling Shagreened
L. bourreti 28.0–36.2 Yes Rudimentary Weak Creamy white Relatively smooth, some with small warts
L. crocea 22.2–27.3 No Rudimentary No Bright orange Highly tuberculate
L. eos 33.1–34.7 No Rudimentary Wide Creamy white Shagreened
L. firthi 26.4–29.2 No Rudimentary Wide in males Creamy white Shagreened with fine tubercles
L. fuliginosa 28.2–30.0 Yes Rudimentary Weak White with brown dusting Nearly smooth, few tubercles
L. isos 23.7–27.9 No Rudimentary Wide in males Creamy white with white dusting on margins Mostly smooth, females more tuberculate
L. kalonensis 25.8–30.6 Yes No No Pale, speckled brown Smooth
L. khasiorum 24.5–27.3 Yes Rudimentary Wide Creamy white Isolated, scattered tubercles
L. lateralis 26.9–28.3 Yes Rudimentary No Creamy white Roughly granular
L. laui 24.8–26.7 Yes Rudimentary Wide Creamy white with dark brown dusting on margins Round granular tubercles
L. liui 23.0-28.7 Yes Rudimentary Wide Creamy white with dark brown spots on chest and margins Round granular tubercles with glandular folds
L. macrops 28.0–29.3 Yes Rudimentary No Greyish-violet with white speckling Roughly granular with larger tubercles
L. maculosa 24.2–26.6 Yes No No Brown, less white speckling Mostly smooth
L. maoershanensis 25.2–30.4 Yes Rudimentary Narrow Creamy white chest and belly with irregular black spots Longitudinal folds
L. mangshanensis 22.22–27.76 Yes Rudimentary Weak White speckles on throat and belly Nearly smooth
L. melica 19.5–22.7 Yes Rudimentary No Reddish brown with white speckling Smooth
L. minima 25.7–31.4 Yes Rudimentary No Creamy white Smooth
L. nahangensis 40.8 Yes Rudimentary No Creamy white with light specking on throat and chest Smooth
L. nokrekensis 26.0–33.0 Yes Rudimentary unknown Creamy white Tubercles and longitudinal folds
L. nyx 26.7–32.6 Yes Rudimentary No Creamy white with white with brown margins Rounded tubercles
L. oshanensis 26.6–30.7 Yes No No Whitish with no markings or only small, light grey spots Smooth with few glandular ridges
L. pallida 24.5–27.7 No No No Reddish brown with white speckling Tuberculate
L. pelodytoides 27.5–32.3 Yes Wide Narrow Whitish Small, smooth warts
L. petrops 23.6–27.6 No No Narrow Immaculate creamy white Highly tuberculate
L. pluvialis 21.3–22.3 Yes Rudimentary No Dirty white with dark brown marbling Smooth, flattened tubercles on flanks
L. puhoatensis 24.2–28.1 Yes Rudimentary Narrow Reddish brown with white dusting Longitudinal skin ridges
L. purpura 25.0–27.5 Yes Rudimentary Wide Dull white with indistinct grey dusting Shagreen with small tubercles
L. pyrrhops 30.8–34.3 Yes Rudimentary No Reddish brown with white speckling Slightly shagreened
L. rowleyae 23.4–25.4 Yes No No Pinkish milk-white to light brown chest and belly with numerous white speckles Smooth with numerous tiny tubercles
L. sungi 48.3–52.7 No or small Wide Weak White Granular
L. tadungensis 23.3–28.2 Yes No No Reddish brown with white speckling Smooth
L. tamdil 32.3 Yes Wide Wide White Weakly tuberculate
L. tengchongensis 23.9–26.0 Yes Rudimentary Narrow White with dark brown blotches Shagreened with small tubercles
L. tuberosa 24.4–29.5 No Rudimentary No White with small grey spots/streaks Highly tuberculate
L. ventripunctata 25.5–28.0 Yes Rudimentary No Chest and belly with dark brown spots Longitudinal skin ridges
L. wuhuangmontis 25.6–30.0 Yes Rudimentary Narrow Greyish white mixed by tiny white and black dots Rough, scattered with dense conical tubercles
L. yingjiangensis 25.7–27.6 Yes Rudimentary Wide Creamy white with dark brown flecks on chest and margins Shagreened with small tubercles
L. yunkaiensis 25.9–29.3 Yes Rudimentary Wide Belly pink with distinct or indistinct speckling Shagreened with short skin ridges and raised warts
L. zhangyapingi 45.8–52.5 No Rudimentary Wide Creamy-white with white with brown margins Mostly smooth with distinct tubercles
For the remaining 45 members of the genus Leptobrachella, having SVL of 29.0–30.4 mm in males, L.bijie sp. nov. differs from the larger L.eos (33.1–34.7 mm in males), L.nahangensis (40.8 mm in male), L.sungi (48.3–52.7 mm in males), L.tamdil (32.3 mm in male), and L.zhangyapingi (45.8–52.5 mm in males); and from the smaller L.alpinus (24.0–26.4 mm in males), L.applebyi (19.6–22.3 mm in males), L.ardens (21.3–24.7 mm in males), L.bidoupensis (18.5–25.4 mm in males), L.crocea (22.2–27.3 mm in males), L.isos (23.7–27.9 mm in males), L.khasiorum (24.5–27.3 mm in males), L.lateralis (26.9–28.3 mm in males), L.laui (24.8–26.7 mm in males), L.maculosa (24.2–26.6 mm in males), L.melica (19.5–22.7 mm in males), L.pallida (24.5–27.7 mm in males), L.petrops (23.6–27.6 mm in males), L.pluvialis (21.3–22.3 mm in males), L.puhoatensis (24.2–28.1 mm in males), L.purpura (25.0–27.5 mm in males), L.rowleyae (23.4–25.4 mm in males), L.tadungensis (23.3–28.2 mm in males), L.tengchongensis (23.9–26.0 mm in males), L.ventripunctata (25.5–28.0 mm in males), and L.yingjiangensis (25.7–27.6 mm in males).

In having black spots on flanks, the new species differs from L.aerea, L.botsfordi, L.firthi, and L.tuberosa, all of which lacking distinct black spots on the flanks; by having rudimentary webbing on toes, the new species differs from L.kalonensis and L.oshanensis, both of which lacking webbing on toes, and from L.pelodytoides, which bears wide webbing on toes; by having narrow lateral fringes on toes, the new species differs from L.aerea, L.firthi, L.liui, and L.yunkaiensis, all of which having wide lateral fringes on toes, from L.bourreti and L.fuliginosa, both of which having weak lateral fringes on toes, and from L.kalonensis, L.macrops, L.minima, L.nyx, L.oshanensis, L.pyrrhops, and L.tuberosa, all of which lacking lateral fringes on toes; by having dorsal surface shagreened and granular, lacking enlarge tubercles or warts, the new species differs from L.bourreti (dorsum smooth with small warts), L.fuliginosa (dorsum smooth with fine tubercles), L.liui (dorsum with round tubercles), L.macrops (dorsum roughly granular with large tubercles), L.maoershanensis (dorsum shagreened with tubercles), L.minima (dorsum smooth), L.nyx (dorsum with round tubercles), L.pelodytoides (dorsum with small, smooth warts), L.tuberosa (dorsum hingly tuberculate), L.yunkaiensis (dorsum with raised warts), and L.wuhuangmontis (dorsum rough with conical tubercles); by having ventral surface white with distinct nebulous greyish speckling on chest and flanks, the new species differs from L.botsfordi and L.pyrrhops, (ventral reddish brown with white speckling), L.maoershanensis (belly with irregular black spots); by having tiny spines on surface of chest in males during breeding season, the new species differs from all male specimens collected in breeding season of L.liui, L.oshanensis, L.yunkaiensis, and L.wuhuangmontis, all of which are lacking such spines.

Description of holotype

Adult male. Body size small, SVL in 29.3 mm. Head length slightly larger than head width, HDL/HDW 1.03; snout slightly protruding, projecting slightly beyond margin of the lower jaw; nostril closer to snout than eye; canthus rostralis gently rounded; loreal region slightly concave; interorbital space flat, internarial distance equal to interorbital distance, IND/IOD 1.00; pineal ocellus absent; vertical pupil; snout length larger than eye diameter, SNT/EYE 1.11; tympanum distinct, rounded, and slightly concave, diameter smaller than that of the eye and larger than tympanum-eye distance, TMP/EYE 0.53 and TEY/TMP 0.47; upper margin of tympanum incontact with supratympanic ridge; distinct black supratympanic line present; vomerine teeth absent; vocal sac openings slit-like, paired, located posterolaterally on floor of mouth in close proximity to the margins of the mandible; tongue deeply notched behind; supratympanic ridge distinct, extending from posterior corner of eye to supra-axillary gland.
Tips of fingers rounded, slightly swollen; relative finger lengths I = II = IV < III; nuptial pad absent; subarticular tubercles absent; a large, rounded inner palmar tubercle distinctly separated from small, round outer palmar tubercle; absence of webbing and lateral fringes on fingers. Tips of toes like fingers; relative toe length I < II < V = III < IV; subarticular tubercles absent; distinct dermal ridges present under the 3rd to 5th toes, not interrupted; large, oval inner metatarsal tubercle present, outer metatarsal tubercle absent; toes webbing rudimentary; narrow lateral fringes present on all toes. Tibia 47% of snout-vent length; tibiotarsal articulation reaches to middle of eye; heels just meeting each other when thighs are appressed at right angles with respect to body.
Dorsal surface shagreened and granular, lacking enlarge tubercles or warts, some of the granules forming short longitudinal folds; ventral skin smooth; dense tiny conical spines present on surface of chest; pectoral gland and femoral gland oval; pectoral glands greater than tips of fingers and femoral glands; femoral gland situated on posteroventral surface of thigh, closer to knee than to vent; supra-axillary gland raised. Ventrolateral gland distinctly visible, forming an incomplete line.

Measurements of holotype (in mm)

SVL 29.2, HDL 10.0, HDW 9.7, SNT 4.0, EYE 3.6, IOD 3.0, IND 3.0, TMP 1.9, TEY 0.9, TIB 13. 8, ML 7.8, PL 13.2, LAHL 14.1, HLL 43.3.

Coloration of holotype in life

Dorsum greyish-brown grounding, with small reddish granules, distinct darker brown markings and rounded spots and scattered with irregular light orange pigmentation. A dark brown inverted triangular pattern between anterior corner of eyes, in connected to the dark brown W-shaped marking on interorbital region, and the W-shaped marking in connected to the other W-shaped marking between axillae. Tympanum brown. Small light orange granules present on dorsum of body and limb; a dark brown vertical bar under the eye; transverse dark brown bars on dorsal surface of limbs; distinct dark brown blotches on flanks from groin to axilla, longitudinally in two rows; elbow and upper arms with dark bars and distinct coppery orange coloration; fingers and toes with distinct dark bars.
Ventral surface of throat, chest, and belly white, presence of distinct nebulous greyish speckling on chest and ventrolateral flanks; ventral surface of limbs grey purple. Supra-axillary gland coppery orange; femoral, pectoral and ventrolateral glands greyish white. Iris bicolored, coppery orange on upper half and silver on lower half.

Coloration of holotype in preservative

Dorsum of body and limbs dark brown; transverse bars on limbs become more distinct; dark brown patterns, markings and spots on back become indistinct, orange pigmentations become greyish white. Ventral surface of body and limbs greyish white, nebulous speckling on chest and flanks balck brown. Supra-axillary, femoral, pectoral and ventrolateral glands greyish white.

Variations

Measurements and body proportions were listed in Table 6. All paratypes match the overall characters of the holotype except that: coloration of tympanum brown in the holotype SYS a007316 (vs. black in paratypes SYS a007313/CIB 110002 (Figure 5E), SYS a007315, 7317 (Figure 5F)); heels just meeting, tibia-tarsal articulation reaching the middle of eye in the holotype (vs. heels slightly overlapping in paratypes SYS a007315, 7317, 7319–7320; tibia-tarsal articulation reaching the anterior corner of eye in paratypes SYS a007315, 7317, 7319); W-shaped marking on interorbital region in connected to the other W-shaped marking between axillae in the holotype (vs. such markings not in connected with each other in paratypes SYS a007313/CIB 110002, SYS a007320); a dark brown inverted triangular pattern between anterior corner of eyes in the holotype (vs. a V-shaped pattern between anterior corner of eyes instead in paratype SYS a007317, 7320); relatively larger black spots on flanks (vs. black spots distinctly small in paratypes SYS a007313/CIB 110002, SYS a007317).

Table 6. Measurements (minimum–maximum (mean ± SD); in mm), and body proportions of Leptobrachellabijie sp. nov. from Qingshan Village of Zhaozishan Nature Reserve.
SEX Males (n = 8)
SVL 29.0–30.4 (29.7 ± 0.6) HLL 43.0–45.5 (43.7 ± 0.8)
HDL 10.0–10.6 (10.2 ± 0.2) HDL/HDW 1.02–1.05 (1.04 ± 0.01)
HDW 9.5–10.2 (9.8 ± 0.3) HDL/SVL 0.33–0.35 (0.34 ± 0.01)
SNT 4.0–4.7 (4.3 ± 0.3) SNT/HDL 0.40–0.44 (0.42 ± 0.02)
EYE 3.6–4.1 (3.8 ± 0.2) SNT/EYE 1.11–1.15 (1.13 ± 0.02)
IOD 2.8–3.4 (3.1 ± 0.2) EYE/TMP 1.85–1.95 (1.89 ± 0.04)
IND 2.8–3.4 (3.1 ± 0.2) IND/IOD 1
TMP 1.9–2.2 (2.0 ± 0.1) TMP/EYE 0.51–0.54 (0.53 ± 0.01)
TEY 0.9–1.1 (1.0 ± 0.1) TEY/TMP 0.45–0.53 (0.48 ± 0.02)
TIB 13.5–14.4 (13.8 ± 0.3) TIB/SVL 0.45–0.47 (0.47 ± 0.01)
ML 7.4–8.3 (7.8 ± 0.3) LAHL/SVL 0.47–0.49 (0.48 ± 0.01)
PL 13.0–13.8 (13.3 ± 0.2) HLL/SVL 1.45–1.50 (1.47 ± 0.02)
LAHL 14.0–14.8 (14.3 ± 0.3) TIB/HLL 0.31–0.32 (0.31 ± 0.01)

Etymology

The specific epithet bijie is in reference to the type locality, Qingshan Village in Bijie City of Guizohu Province, China. For the common name, we suggest “Bijie Leaf Litter Toad”, and for the Chinese name “Bi Jie Zhang Tu Chan (毕节掌突蟾)”.

Distribution and habits

Currently, Leptobrachellabijie sp. nov. is known only from its type locality Qingshan Village in Zhaozishan Nature Reserve, Linkou County, Qixingguan District, Bijie City, Guizhou Province, China (Figure 1). The new species was found along a clear-water rocky stream (ca. 2 m in width and ca. 20–30 cm in depth; 1670–1750 m a.s.l.) in karst landforms. The stream was surrounded by broad-leaved forest at an altitude below 1700 m, and by coniferous forest at an altitude above 1700 m (Figure 6, 1700 m a.s.l.). On 6 July 2018 at 22:00–23:30 P.M., a large number of males were found calling on leaves of plants (Figure 10A), and some were found calling perching on the rocks or under rocks by the side of the stream.

Original Description

  • Wang, J; Li, Y; Li, Y; Chen, H; Zeng, Y; Jing-Min Shen, ; Wang, Y; 2019: Morphology, molecular genetics, and acoustics reveal two new species of the genus Leptobrachella from northwestern Guizhou Province, China (Anura, Megophryidae) ZooKeys, 848: 119-154. doi

Images

Other References

  1. Dring J (1983) Frogs of the genus Leptobrachella (Pelobatidae).Amphibia-Reptillia4: 89–102. https://doi.org/10.1163/156853883X00012
  2. Rowley J, Dau V, Hoang H, Le D, Cutajar T, Nguyen T (2017) A new species of Leptolalax (Anura: Megophryidae) from northern Vietnam.Zootaxa4243: 544–564. https://doi.org/10.11646/zootaxa.4243.3.7
  3. Yuan Z, Sun R, Chen J, Rowley J, Wu Z, Hou S, Wang S, Che J (2017) A new species of the genus Leptolalax (Anura: Megophryidae) from Guangxi, China.Zootaxa4300: 551–570. https://doi.org/10.11646/zootaxa.4300.4.5
  4. Yang J, Zeng Z, Wang Y (2018) Description of two new sympatric species of the genus Leptolalax (Anura: Megophryidae) from western Yunnan of China. PeerJ 6(e4586): 1–32. https://doi.org/10.7717/peerj.4586