Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update: December 31st, 2022.
 
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Genus
Coelognathus
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Oriental Rat Snakes, (Racers)
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Orientalische Rattennattern
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Orientalske Rottesnoge
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1843 |  |
Coelognathus Fitzinger (type species: Coluber radiatus Boie 1827) |
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1849 | |
Cynophis Gray (type species: Cynophis bistrigatus Gray 1849) |
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1853 | |
Compsosoma Dumeril [not Compsosoma Audinet-Serville 1835 (Coleoptera)] (type species: Coluber radiatus Boie 1827) |
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1853 | |
Plagiodon Dumeril (type species: Coluber helena Daudin 1803) |
Contents:
7 species, of which 2 (28.6%) are endemic.
Endemism: 0%  100%
Remarks:
Previously included in
Elaphe (e.g., Smith 1943; Schulz 1996). Revalidated by Helfenberger (2001).
Distribution:
S. Asia, Malay Archipelago.
Reported from:
Bangladesh,
Bhutan,
Brunei,
Cambodia,
China
(Fujian,
Guangdong
[incl.
Nan Ao Island],
Guangxi,
Guizhou,
Hong Kong
[incl.
Shek Kwu Chau Island],
Yunnan),
East Timor
(incl.
Atauro Island),
India
(Andaman & Nicobar Islands
[Andaman Islands,
Nicobar Islands],
Andhra Pradesh,
Arunachal Pradesh,
Assam,
Bihar,
Chhattisgarh,
Delhi,
Goa,
Gujarat,
Haryana,
Himachal Pradesh,
Jammu & Kashmir,
Jharkhand,
Karnataka,
Kerala,
Madhya Pradesh,
Maharashtra,
Manipur,
Meghalaya,
Mizoram,
Nagaland,
Odisha,
Punjab,
Rajasthan,
Sikkim,
Tamil Nadu,
Telangana,
Tripura,
Uttar Pradesh,
Uttarakhand,
West Bengal),
Indonesia
(Adonara,
Alor,
Anambas Islands,
Bali,
Banggai Islands,
Bangka,
Belitung,
Buton,
Ende,
Enggano,
Flores,
Java,
Kalimantan,
Komodo,
Lembata,
Lombok,
Nias,
Penida,
Riau Islands,
Rinca,
Rote,
Sangir Islands,
Semau,
Siberut,
Simeulue,
Sipura,
Sulawesi,
Sumatra,
Sumba,
Sumbawa,
Weh,
West Timor,
Wetar),
Laos,
Malaysia
(Sabah,
Sarawak,
West Malaysia
[incl.
Langkawi Archipelago,
Seribuat Archipelago
(incl.
Tioman)]),
Myanmar,
Nepal,
Pakistan,
Philippines
(Babuyan Islands
[Barit,
Calayan,
Dalupiri],
Balabac,
Batan Islands
[Batan],
Bohol,
Calamian Islands
[Busuanga,
Calauit,
Culion],
Camiguin Sur,
Camotes Islands
[Pacijan,
Ponson,
Poro],
Catanduanes,
Cebu,
Dinagat,
Guimaras,
Leyte,
Luzon,
Masbate,
Mindanao,
Mindoro,
Negros,
Palawan,
Panay,
Samar,
Siquijor,
Sulu Islands
[Basilan,
Bongao,
Jolo,
Sangasanga,
Siasi,
Sibutu,
Tawi-Tawi],
Tablas),
Singapore,
Sri Lanka,
Thailand,
Vietnam
(incl.
Cat Ba Island).
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Coelognathus enganensis
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Enggano Rat Snake
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Enggano-Rattennatter
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Enggano-rottesnog
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1892 | |
Coluber enganensis Vinciguerra |
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Elaphe enganensis Barbour 1912 |
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Elaphe subradiata enganensis Mertens 1930 |
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Gonyosoma enganensis Dowling 1958 |
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Coelognathus enganensis Das 2012 |
Remarks:
Status uncertain.
Listed as a valid species by Iskandar & Colijn (2001), but regarded by some authors as a subspecies of subradiatus (e.g., Schulz 1996).
Utiger, Schätti & Helfenberger (2005) stated that the affinities with this form may be with the erythrurus-philippinus complex.
Distribution:
Indonesia
(Enggano).
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Coelognathus erythrura
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Philippine Rat Snake, Philippine Trinket Snake, Reddish Rat Snake, Red-fronted Racer
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Philippinische Rattennatter
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Filippinsk Rottesnog
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1854 | |
Plagiodon erythrurus Dumeril, Bibron & Dumeril |
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Compsosoma melanurum erythrurus Fischer 1885 |
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Coluber erythrurus Boulenger 1894 |
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Elaphe erythrura Griffin 1910 |
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Coelognathus erythrurus Helfenberger 2001 |
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1863 | |
Elaphis melanurus celebensis Jan |
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Elaphe erythrura celebensis Leviton 1979 |
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1863 | |
Elaphis melanurus manillensis Jan |
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Elaphe erythrura manilliensis Leviton 1979 |
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Coelognathus erythrura manilliensis David, Pauwels, Lays & Lenglet 2006 |
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1863 | |
Elaphis nyctenurus Jan (Iskandar & Colijn 2001) |
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1924 | |
Coluber walli Werner (Leviton 1979) |
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1977 | |
Elaphe erythrura psephenoura Leviton |
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Coelognathus erythrura psephenoura David, Pauwels, Lays & Lenglet 2006 |
Other common names:
celebensis: Sulawesi Rat Snake
erythrura: Southern Philippine Rat Snake, Red-tailed Philippine Rat Snake
manillensis: Northern Philippine Rat Snake, Manila Rat Snake
psephenoura: Western Visayan Rat Snake, Grey-tailed Philippine Rat Snake
Remarks:
Previously included philippinus. David, Pauwels, Lays & Lenglet (2006) pointed out that the scientific species name is a noun in aposition, not an adjective,
for which reason its correct form is erythrura, not erythrurus.
Erroneously recorded from Java (Leviton 1979).
There is a single record from Banggi Island, north of Sabah, Malaysia, but the record is suspected to represent a misidentified flavolineatus
(Stuebing, Inger & Lardner 2014).
Distribution:
Indonesia
(Banggai Islands,
Buton,
Sangir Islands,
Sulawesi),
Philippines
(Babuyan Islands
[Barit,
Calayan,
Dalupiri),
Batan Islands
[Batan],
Bohol,
Camiguin Sur,
Camotes Islands
[Pacijan,
Ponson,
Poro],
Catanduanes,
Cebu,
Dinagat,
Guimaras,
Leyte,
Luzon,
Masbate,
Mindanao,
Mindoro,
Negros,
Panay,
Samar,
Siquijor,
Sulu Islands
[Basilan,
Jolo,
Siasi],
Tablas).
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Coelognathus flavolineatus
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Yellow-striped Rat Snake, Yellow-striped Trinket Snake, Sunda Rat Snake, Sunda Racer, Black-tailed Trinket Snake, Common Malayan Racer, Black Copper Rat Snake
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Gelbstreifen-Kletternatter, Schwarzschwanz-Kletternatter
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Gulstribet Rottesnog
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1827 | |
Coluber melanurus Boie [not Coluber melanurus Shaw 1802] |
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Elaphe melanura Barbour 1912 |
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1837 | |
Coluber flavolineata Schlegel |
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Elaphe flavolineata Smith 1930 |
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Coelognathus flavolineatus Helfenberger 2001 |
Remarks:
Reported from the Nicobar Islands by Daniel & David (1996), but without reference to voucher specimens. Presence in these islands needs confirmation (Vijayakumar & David 2006). According to Iskandar & Colijn (2001), records from Sulawesi and Buton refer to C. erythrurus celebensis, but Lang & Vogel (2005) continued to list the species from Sulawesi (but not Buton).
Distribution:
Brunei,
Cambodia,
India
(Andaman Islands),
Indonesia
(Anambas Islands,
Bali,
Banggai Islands,
Bangka,
Belitung,
Java,
Kalimantan,
Nias,
Riau Islands,
Siberut,
Simeulue,
Sipura,
Sulawesi,
Sumatra,
Weh),
Malaysia
(Sabah,
Sarawak,
West Malaysia
[incl.
Langkawi Archipelago,
Seribuat Archipelago
(incl.
Tioman)]),
Myanmar,
Singapore,
Thailand,
Vietnam.
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Coelognathus flavolineatus
© Henrik Bringsøe
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Coelognathus helena
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Indian Trinket Snake, Common Trinket Snake
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Indische Schmucknatter
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Indisk Pragtrottesnog
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1803 | |
Coluber helena Daudin |
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Elaphe helena Shaw, Shebbeare & Barker 1939 |
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Coelognathus helena Helfenberger 2001 |
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1849 | |
Cynophis bistrigatus Gray (Smith 1943) |
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1854 | |
Herpetodryas malabaricus Jerdon (Smith 1943) |
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1878 | |
Herpetodryas malabaricus carinata Müller (Smith 1943) |
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1992 | |
Elaphe helena monticollaris Schulz |
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2016 | |
Coelognathus helena nigriangularis Mohapatra, Schulz, Helfenberger, Hofmann & Dutta |
Other common names:
monticollaris: Collared Trinket Snake, Montane Trinket Snake
Remarks:
Although reported from Pakistan by some authors (e.g., Das 1996; Schulz 1996; Masroor 2012; Minton 1966), Khan (1994) considered records from the country erroneous.
Subsequently, Ullah, Saeed, Khan, Luqman; Ullah, Ahmed & Rais (2022) confirmed the presence of helena in Pakistan.
Distribution:
Bangladesh,
Bhutan,
India
(Andhra Pradesh,
Assam,
Bihar,
Chhattisgarh,
Delhi,
Goa,
Gujarat,
Haryana,
Himachal Pradesh,
Jammu & Kashmir,
Jharkhand,
Karnataka,
Kerala,
Madhya Pradesh,
Maharashtra,
Manipur,
Nagaland,
Odisha,
Punjab,
Rajasthan,
Sikkim,
Tamil Nadu,
Telangana,
Uttar Pradesh,
Uttarakhand,
West Bengal),
Nepal,
Pakistan,
Sri Lanka.
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Coelognathus helena
© Henrik Bringsøe
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Coelognathus philippinus
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Palawan Rat Snake
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Palawan-Rattennatter
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Palawan-rottesnog
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1909 | |
Elaphe philippina Griffin |
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Elaphe erythrura philippina Leviton 1979 |
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Coelognathus philippinus Helfenberger 2001 |
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Coelognathus erythrura philippinus David, Pauwels, Lays & Lenglet 2006 |
Remarks:
Previously regarded as a subspecies of erythrura. Helfenberger (2001) revalidated philippinus as a separate species, followed by Wallach, Williams & Boundy (2014), however, not by David, Pauwels, Lays & Lenglet (2006).
Distribution:
Philippines
(Balabac,
Calamian Islands
[Busuanga,
Calauit,
Culion],
Palawan,
Sulu Islands
[Bongao,
Sangasanga,
Sibutu,
Tawi-Tawi]).
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Coelognathus radiatus
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Copper-headed Rat Snake, Radiated Rat Snake, Copper-headed Trinket Snake, Copperhead Racer
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Strahlennatter, Asiatische Kupferkopfnatter
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Strålesnog
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1827 | |
Coluber radiatus Boie |
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Compsosoma radiatum Duméril & Bibron 1854 |
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Spilotes radiatus Günther 1858 |
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Elaphis radiatus Jan 1863 |
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Coelognathus radiatus Cochran 1930 |
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Elaphe radiata Pope 1929 |
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1839 | |
Coluber quadrifasciatus Cantor (Smith 1943) |
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1839 | |
Tropidonotus quinque Cantor (Smith 1943) |
Remarks:
Present in the past, but not confirmed recently from Singapore (Baker & Lim 2008).
Distribution:
Bangladesh,
Bhutan,
Brunei,
Cambodia,
China
(Fujian,
Guangdong
[incl.
Nan Ao Island],
Guangxi,
Guizhou,
Hong Kong
[incl.
Shek Kwu Chau Island],
Yunnan),
India
(Andhra Pradesh,
Arunachal Pradesh,
Assam,
Bihar,
Chhattisgarh,
Himachal Pradesh,
Madhya Pradesh,
Maharashtra,
Manipur,
Meghalaya,
Mizoram,
Nagaland,
Odisha,
Sikkim,
Tripura,
Uttarakhand,
West Bengal),
Indonesia
(Bali,
Bangka,
Java,
Kalimantan,
Penida,
Sumatra),
Laos,
Malaysia
(Sarawak,
West Malaysia),
Myanmar,
Nepal,
Singapore,
Thailand,
Vietnam
(incl.
Cat Ba Island).
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Coelognathus radiatus
© Rune Midtgaard
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Coelognathus subradiatus
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Lesser Sundas Rat Snake, Indonesian Rat Snake, Indonesian Trinket Snake, Timor Rat Snake
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Indonesische Kletternatter
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Sunda-rottesnog
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1837 | |
Coluber subradiatus Schlegel |
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Elaphis subradiatus Günther 1858 |
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Elaphe subradiata Barbour 1912 |
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Coelognathus subradiatus Helfenberger 2001 |
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1898 | |
Coluber melanurus timorensis Bethencourt-Ferreira (Iskandar & Colijn 2001) |
Remarks:
Some authors regard enganensis as a subspecies of subradiatus (e.g., Schulz 1996).
Distribution:
East Timor
(incl.
Atauro Island),
Indonesia
(Adonara,
Alor,
Ende,
Flores,
Komodo,
Lembata,
Lombok,
Rinca,
Rote,
Semau,
Sumba,
Sumbawa,
West Timor,
Wetar).
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