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Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update: May 12th, 2024.


Taxonomy of the family Trionychidae
Bibliography of the genus Nilssonia
Biodiversity of the family Trionychidae








Genus
Nilssonia

South Asian Softshell Turtles

Südasiatische Weichschildkröten

Sydasiatiske Blødskildpadder

1872 Nilssonia Gray (type species: Trionyx formosus Gray 1869)
1873 Isola Gray (type species: Trionyx peguensis Gray 1870; syn. Fritz & Havas 2006)
1904 Aspideretes Hay (type species: Trionyx gangeticus Cuvier 1825; syn. Praschag, Hundsdörfer, Reza & Fritz 2007)

Contents: 5 species, of which 1 (20.0%) is endemic.
Endemism: 0% 100%
Remarks: Previously included in Trionyx (e.g., Wermuth & Mertens 1977).
Distribution: S. Asia.
Reported from: Afghanistan, Bangladesh, China (Yunnan), India (Andhra Pradesh, Arunachal Pradesh, Assam, Bihar, Chhattisgarh, Delhi, Goa, Gujarat, Haryana, Jammu & Kashmir, Jharkhand, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Manipur, Meghalaya, Nagaland, Odisha, Punjab, Rajasthan, Tamil Nadu, Telangana, Tripura, Uttar Pradesh, Uttarakhand, West Bengal), Myanmar, Nepal, Pakistan.

Nilssonia formosa

Burmese Peacock Softshell Turtle, Burmese Softshell Turtle

Burma-Weichschildkröte

Burmesisk Påfugleblødskildpadde

1869 Trionyx formosus Gray
Nilssonia formosa Gray 1872
Aspidonectes formosus Baur 1893
Amyda formosus Mell 1929
1870 Trionyx peguensis Gray (Fritz & Havas 2006)
Isola peguensis Gray 1873
1875 Trionyx grayii Theobald (Fritz & Havas 2006)

Remarks: Not listed for China by Wang, Ren, Chen, Lyu, Guo, Jiang, Chen, Li, Guo, Wang & Che (2020).
Distribution: China (Yunnan), Myanmar.


Nilssonia gangetica

Ganges Softshell Turtle, (Indian Softshell Turtle)

Ganges-Weichschildkröte

Ganges-blødskildpadde

1825 Trionyx gangeticus Cuvier
Aspidonectes gangeticus Wagler 1833
Tyrse gangetica Gray 1844
Isola gangetica Baur 1893
Aspideretes gangeticus Hay 1904
Amyda gangetica Mertens, Müller & Rust 1934
Nilssonia gangetica Praschag, Hundsdörfer, Reza & Fritz 2007
1831 Trionyx javanicus Gray in Griffith [in part; not Trionyx javanicus Geoffroy Saint-Hillaire 1809] (Fritz & Havas 2006)
Tyrse javanica Gray 1844 [in part]
1835 Gymnopus duvaucelii Duméril & Bibron [in part; substitute name for Trionyx gangeticus Cuvier 1825 and Trionyx hurum Gray 1831] (Fritz & Havas 2006)
1912 Trionyx gangeticus mahanaddicus Annandale (Fritz & Havas 2006)

Remarks: Not mentioned for Punjab by Singh, Dutta & Singh (2021).
Distribution: Afghanistan, Bangladesh, India (Andhra Pradesh, Assam, Bihar, Chhattisgarh, Delhi, Gujarat, Haryana, Jammu & Kashmir, Jharkhand, Madhya Pradesh, Odisha, Punjab, Rajasthan, Telangana, Uttar Pradesh, Uttarakhand, West Bengal), Nepal, Pakistan.


Nilssonia hurum

Indian Peacock Softshell Turtle

Pfauenaugen-Weichschildkröte

Indisk Påfugleblødskildpadde

1830 Trionyx ocellatus Gray [not Trionyx ocellatus LeSueur 1827] (Fritz & Havas 2006)
Gymnopus ocellatus Duméril & Bibron 1835
1831 Trionyx hurum Gray 1831
Isola hurum Baur 1893
Amyda hurum Barbour 1912
Aspideretes hurum Meylan 1987
Nilssonia hurum Praschag, Hundsdörfer, Reza & Fritz 2007
1835 Gymnopus duvaucelii Duméril & Bibron [in part; substitute name for Trionyx gangeticus Cuvier 1825 and Trionyx hurum Gray 1831] (Fritz & Havas 2006)
1872 Trionyx bellii Gray (Fritz & Havas 2006)
1872 Trionyx sewaare Gray (Fritz & Havas 2006)
1874 Trionyx buchanani Theobald (Fritz & Havas 2006)

Distribution: Bangladesh, India (Arunachal Pradesh, Assam, Bihar, Haryana, Jammu & Kashmir, Jharkhand, Madhya Pradesh, Maharashtra, Manipur, Meghalaya, Nagaland, Odisha, Rajasthan, Uttar Pradesh, West Bengal), Nepal, Pakistan.


Nilssonia leithii

Deccan Softshell Turtle, Nagpur Softshell Turtle, (Leith's Softshell Turtle)

Leiths Weichschildkröte

Deccan-blødskildpadde

1831 Trionyx javanicus Gray in Griffith [in part; not Trionyx javanicus Geoffroy Saint-Hillaire 1809] (Fritz & Havas 2006)
Tyrse javanica Gray 1844 [in part]
1872 Trionyx leithii Gray 1872
Isola leithii Gray 1873
Amyda leithi Mertens, Müller & Rust 1934
Aspideretes leithii Meylan 1987
Nilssonia leithii Praschag, Hundsdörfer, Reza & Fritz 2007
1872 Aspilus gataghol Gray (Fritz & Havas 2006)
1915 Trionyx sulcifrons Annandale (Fritz & Havas 2006)

Remarks: Considered regionally extinct in Gujarat (Patel & Vyas 2019).
Distribution: India (Andhra Pradesh, Chhattisgarh, Goa, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Odisha, Tamil Nadu, Telangana).



Nilssonia nigricans

Black Softshell Turtle, Bostami Softshell Turtle, Chittagong Softshell Turtle, Dark Softshell Turtle

Brahmaputra-Weichschildkröte

Indisk Sort Blødskildpadde

1875 Trionyx nigricans Anderson
Amyda nigricans Mertens, Müller & Rust 1934
Aspideretes nigricans Meylan 1987
Nilssonia nigricans Praschag, Hundsdörfer, Reza & Fritz 2007

Remarks: For many years known from only a single locality: an enclosed pond at Saint Byazid Bastami Shrine in Bangladesh. It has recently been reported also from NE. India.
Distribution: Bangladesh, India (Assam, Nagaland, Tripura, West Bengal).