中國分布:廣(guang)東、廣(guang)西、海南(nan)。
國(guo)外分布(bu):越南、泰國(guo)、緬甸及(ji)印度。
形(xing)態描述依據廣東(dong)、廣西共6號標本描述:
體中等(deng),甲(jia)(jia)長(chang)(chang)(chang)130~159mm,寬(kuan)82.6~13.0mm。頭大小適中,頭頂皮(pi)膚光(guang)滑,頭后(hou)(hou)皮(pi)膚分裂成鱗片狀;眼大;鼓膜明(ming)(ming)顯(xian);吻端平(ping)截;吻長(chang)(chang)(chang)短于(yu)眶徑(jing);上顎微鉤曲(qu)。背甲(jia)(jia)高而平(ping),具3條強棱(leng)。在兩側棱(leng)間(jian)的背部(bu)平(ping)坦。背甲(jia)(jia)前緣(yuan)平(ping),稍呈鋸齒(chi)形,后(hou)(hou)緣(yuan)圓,呈強鋸齒(chi)狀。頸盾(dun)(dun)(dun)細長(chang)(chang)(chang),長(chang)(chang)(chang)約為寬(kuan)的3倍多;椎盾(dun)(dun)(dun)5枚,呈扁六邊形,寬(kuan)一般均大于(yu)長(chang)(chang)(chang)。肋(lei)盾(dun)(dun)(dun)4對,寬(kuan)亦大于(yu)長(chang)(chang)(chang),并(bing)寬(kuan)于(yu)或(huo)等(deng)于(yu)相鄰的椎盾(dun)(dun)(dun)。緣(yuan)盾(dun)(dun)(dun)12對,最后(hou)(hou)4對的外側末端尖(jian)出。腹(fu)(fu)甲(jia)(jia)略(lve)小于(yu)背甲(jia)(jia),前緣(yuan)略(lve)平(ping),后(hou)(hou)端凹入。腹(fu)(fu)甲(jia)(jia)各(ge)盾(dun)(dun)(dun)片的接縫(feng)以腹(fu)(fu)盾(dun)(dun)(dun)縫(feng)最長(chang)(chang)(chang),其順序(xu)為腹(fu)(fu)盾(dun)(dun)(dun)縫(feng)>胸(xiong)盾(dun)(dun)(dun)縫(feng)(或(huo)肛盾(dun)(dun)(dun)縫(feng))>肛盾(dun)(dun)(dun)縫(feng)>喉(hou)盾(dun)(dun)(dun)縫(feng)>股盾(dun)(dun)(dun)縫(feng)(或(huo)肱盾(dun)(dun)(dun)縫(feng))>肱盾(dun)(dun)(dun)縫(feng)(或(huo)股盾(dun)(dun)(dun)縫(feng))。甲(jia)(jia)橋短而明(ming)(ming)顯(xian),無腋盾(dun)(dun)(dun)。背腹(fu)(fu)甲(jia)(jia)以韌(ren)帶(dai)相連(lian),腹(fu)(fu)甲(jia)(jia)前葉(xie)與后(hou)(hou)葉(xie)間(jian)亦有明(ming)(ming)顯(xian)的韌(ren)帶(dai),但僅(jin)腹(fu)(fu)甲(jia)(jia)前葉(xie)能完全關閉背甲(jia)(jia)。
前肢較扁(bian),前緣被(bei)覆(fu)瓦狀大鱗(lin);后肢圓,下部及踵部被(bei)覆(fu)瓦狀、多少尖(jian)出的大鱗(lin)。指(zhi)5爪(zhua),趾4爪(zhua),半蹼。尾(wei)中等,尾(wei)基及臀部皮膚有粗糙疣棘。
頭(tou)背淡棕黃(huang)色(se)(se)(se),具(ju)暗(an)色(se)(se)(se)蟲(chong)蝕紋。頭(tou)側色(se)(se)(se)暗(an),具(ju)淺(qian)色(se)(se)(se)蟲(chong)蝕紋。頭(tou)側各有(you)1個小的(de)具(ju)暗(an)色(se)(se)(se)邊緣(yuan)的(de)顳點。背淡棕色(se)(se)(se)、黃(huang)綠色(se)(se)(se),側棱可(ke)為(wei)暗(an)棕色(se)(se)(se)。棱間及(ji)自側棱向外(wai)輻射的(de)細紋為(wei)淺(qian)棕色(se)(se)(se)。腹部(bu)淡棕黃(huang)色(se)(se)(se)或黃(huang)色(se)(se)(se),每枚(mei)腹盾(dun)的(de)外(wai)側緣(yuan)有(you)時有(you)暗(an)色(se)(se)(se)斑。
骨(gu)(gu)(gu)(gu)(gu)骼特征(依85Ⅵ001、87Ⅶ014)為(wei):骨(gu)(gu)(gu)(gu)(gu)匣長143~145.5mm,寬(kuan)(kuan)114.2~102.3mm,高57~60mm。頭骨(gu)(gu)(gu)(gu)(gu)長30.6~33.4mm,寬(kuan)(kuan)21.2~26.3mm(以(yi)顎(e)關節為(wei)基點(dian))。眶(kuang)(kuang)徑12~11.4mmX9.8~10.9mm,眶(kuang)(kuang)間(jian)距(ju)10.8~10.6mm。前(qian)(qian)額(e)骨(gu)(gu)(gu)(gu)(gu)長大(da),額(e)骨(gu)(gu)(gu)(gu)(gu)入眶(kuang)(kuang)多。頂骨(gu)(gu)(gu)(gu)(gu)小(xiao),末端(duan)尖,頂骨(gu)(gu)(gu)(gu)(gu)棘(ji)不(bu)發達。眶(kuang)(kuang)后(hou)(hou)(hou)骨(gu)(gu)(gu)(gu)(gu)與(yu)軛(e)(e)骨(gu)(gu)(gu)(gu)(gu)(顴骨(gu)(gu)(gu)(gu)(gu))、方軛(e)(e)骨(gu)(gu)(gu)(gu)(gu)相接,方軛(e)(e)骨(gu)(gu)(gu)(gu)(gu)不(bu)發達,僅前(qian)(qian)端(duan)與(yu)眶(kuang)(kuang)后(hou)(hou)(hou)骨(gu)(gu)(gu)(gu)(gu)相接,不(bu)接軛(e)(e)骨(gu)(gu)(gu)(gu)(gu)。眶(kuang)(kuang)周為(wei)上(shang)顎(e)骨(gu)(gu)(gu)(gu)(gu)、前(qian)(qian)額(e)骨(gu)(gu)(gu)(gu)(gu)、額(e)骨(gu)(gu)(gu)(gu)(gu)、眶(kuang)(kuang)后(hou)(hou)(hou)骨(gu)(gu)(gu)(gu)(gu)、軛(e)(e)骨(gu)(gu)(gu)(gu)(gu)(顴骨(gu)(gu)(gu)(gu)(gu))所圍。咀嚼(jiao)面窄。頸板(ban)(ban)(ban)(ban)大(da),六(liu)邊(bian)(bian)(bian)形(xing)(xing)、短(duan)(duan)邊(bian)(bian)(bian)在后(hou)(hou)(hou)緣(yuan)(yuan);椎板(ban)(ban)(ban)(ban)8枚(mei)(mei),寬(kuan)(kuan)均大(da)于長。其第(di)(di)(di)一至(zhi)(zhi)第(di)(di)(di)五(wu)枚(mei)(mei),第(di)(di)(di)七(qi)至(zhi)(zhi)第(di)(di)(di)八枚(mei)(mei)為(wei)六(liu)邊(bian)(bian)(bian)形(xing)(xing),前(qian)(qian)者(zhe)兩(liang)短(duan)(duan)側(ce)(ce)邊(bian)(bian)(bian)在后(hou)(hou)(hou)側(ce)(ce)緣(yuan)(yuan),后(hou)(hou)(hou)者(zhe)兩(liang)短(duan)(duan)側(ce)(ce)邊(bian)(bian)(bian)在前(qian)(qian)側(ce)(ce)緣(yuan)(yuan)。85Ⅵ001號標本(ben)第(di)(di)(di)一枚(mei)(mei)椎板(ban)(ban)(ban)(ban)變異成(cheng)不(bu)規則。第(di)(di)(di)二號標本(ben)的第(di)(di)(di)六(liu)枚(mei)(mei)椎板(ban)(ban)(ban)(ban)的六(liu)邊(bian)(bian)(bian)形(xing)(xing)不(bu)典型。臀板(ban)(ban)(ban)(ban)1枚(mei)(mei),方形(xing)(xing)。臀上(shang)板(ban)(ban)(ban)(ban)2枚(mei)(mei),上(shang)枚(mei)(mei)形(xing)(xing)小(xiao),方形(xing)(xing),下(xia)枚(mei)(mei)大(da),扇形(xing)(xing)。85V1001號標本(ben)的上(shang)枚(mei)(mei)臀上(shang)板(ban)(ban)(ban)(ban)萎(wei)縮,極(ji)小(xiao),呈(cheng)(cheng)圓形(xing)(xing),介于第(di)(di)(di)八枚(mei)(mei)椎板(ban)(ban)(ban)(ban)與(yu)臀上(shang)板(ban)(ban)(ban)(ban)之間(jian)。肋板(ban)(ban)(ban)(ban)8對,分列(lie)于椎板(ban)(ban)(ban)(ban)兩(liang)側(ce)(ce)。85V1001號標本(ben)因(yin)扇形(xing)(xing)臀上(shang)板(ban)(ban)(ban)(ban)右側(ce)(ce)分裂,形(xing)(xing)成(cheng)一不(bu)規則的小(xiao)肋板(ban)(ban)(ban)(ban)。緣(yuan)(yuan)板(ban)(ban)(ban)(ban)11對,最后(hou)(hou)(hou)3對與(yu)臀板(ban)(ban)(ban)(ban)后(hou)(hou)(hou)緣(yuan)(yuan)呈(cheng)(cheng)鋸齒狀。背板(ban)(ban)(ban)(ban)高而脊部平,脊棱及(ji)側(ce)(ce)棱明顯。
腹板(ban)平,前(qian)緣(yuan)平齊,后緣(yuan)凹(ao)人。內(nei)腹板(ban)在(zai)后三分之一處為(wei)肱胸盾(dun)縫(feng)(feng)所橫切,內(nei)腹板(ban)前(qian)緣(yuan)與(yu)喉肱盾(dun)縫(feng)(feng)相接或不接,舌(she)腹板(ban)與(yu)下腹板(ban)以韌帶相連(lian),整個腹板(ban)亦以韌帶在(zai)骨(gu)橋處與(yu)背板(ban)相連(lian)。腋柱退化。胯柱較發達(da),幾乎(hu)伸(shen)達(da)第四肋板(ban)。
生(sheng)活(huo)于(yu)山區(qu),叢林、灌木(mu)及(ji)小溪(xi)中,幾乎(hu)不會進入(ru)深水區(qu)域(yu)活(huo)動。它喜暖怕寒,當(dang)環境溫度在18℃時進入(ru)淺冬眠(mian),25℃時正常進食。