Thomson, Scott;Georges, Arthur
Myuchelys
Sign in to saveThe Myuchelys is a genus of turtles, the Australian saw-shelled turtles, in the family Chelidae and subfamily Chelodininae. They inhabit the headwaters and tributaries of rivers within their range and this led to the name Myuchelys, which is formed from the Aboriginal word myuna meaning clear water and the Greek chelys meaning turtle. They have a short neck and the intergular scute completely separates the gular scutes. They have no alveolar ridge separating them from the snapping turtles of the genus Elseya.
Species
GENUS
- KingdomAnimalia
- PhylumChordata
- ClassTestudines
- OrderTestudines
- FamilyChelidae
種[2] 貝氏癩頸龜 Myuchelys bellii 貝林杰癩頸龜 Myuchelys georgesi 寬胸癩頸龜 Myuchelys latisternum 寬胸癩頸龜屬（學名：Myuchelys）是蛇頸龜科下的一個屬，該屬的龜主要棲息東部和北部澳大利亞以及新幾內亞的巴布亞省。而又多分佈在所分佈河流的支流和源頭，其學名Myuchelys的來由是土著語Myuna，意即淨水。[1] 該屬的龜有短頸，以及完全分離出咽部的咽盾。 分類學歷史 1844年，該屬下的貝氏癩頸龜被約翰·愛德華·格雷分到了南美洲的蟾頭龜科下 ，[3] 直到1988年才被糾正。[4] 貝林杰癩頸龜、寬胸癩頸龜和曼寧癩頸龜最初也都是在齿缘癞颈龟属下，後來才被測出屬於不同的進化枝。[5][6] 其中寬胸癩頸龜經過多次反復及斟酌才被劃寬胸癩頸龜屬。[7][8][9] 最早嘗試將這些龜劃到同一屬的人也是約翰·愛德華·格雷（1867年），當時稱作Euchelymys，[10] 但是這個學名不久之後便被喬治·亞伯特·布蘭潔（1889年）定為了齿缘癞颈龟属的同義詞，[11] 1929年被W·A·林霍爾姆永久棄用。[12] 1897年，查理斯·沃爾特·德·維斯嘗試將其分入新屬Pelocomastes下，[13] 但是隨後便被認為這樣做不正確，此學名也被定為齿缘癞颈龟属的次異名。[14] 所謂的Wollumbinia是羅伯特·威廉·威爾斯在2007年建立的，[15] 然而其論文違反了國際動物命名法規第8、9條協議以及薦則8D，[16][7] 因而被判為不合法名。 [16][7][17] 現在的學名Myuchelys是2009年確定的。[1] 曼寧癩頸龜則在2013年被發現仍然是並系群，因此提出了一個新的單系群的屬來處理此問題，所以曼寧癩頸龜被分到被描述的這一個新屬Flaviemys屬，成為Flaviemys屬底下唯一的物種曼寧癩頸龜（學名：Flaviemys purvisi）。 參考資料 ^ 1.0 1.1 1.2 Thomson, S. & Georges, A. (2009) Myuchelys gen. nov. —a new genus for Elseya latisternum and related forms of Australian freshwater turtle (Testudines: Pleurodira: Chelidae)[永久失效連結] Zootaxa 2053: 32–42. ^ 2.0 2.1 Rhodin, Anders G.J.; van Dijk, Peter Paul; Inverson, John B.; Shaffer, H. Bradley; Roger, Bour. Turtles of the world, 2011 update: Ann
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Encyclopedic overview
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- References
The Myuchelys is a genus of turtles, the Australian saw-shelled turtles, in the family Chelidae and subfamily Chelodininae. They inhabit the headwaters and tributaries of rivers within their range and this led to the name Myuchelys, which is formed from the Aboriginal word myuna meaning clear water and the Greek chelys meaning turtle. They have a short neck and the intergular scute completely separates the gular scutes. They have no alveolar ridge separating them from the snapping turtles of the genus Elseya.
==Species== The genus currently contains these cryptic small species of freshwater turtles, endemic to eastern and northern Australia: Myuchelys bellii, Namoi River snapping turtle Gray, 1844 Myuchelys georgesi, Bellinger River snapping turtle Cann, 1997 Myuchelys latisternum, saw-shelled turtle Gray, 1867 Myuchelys purvisi, Manning River snapping turtle
Excerpted from Wikipedia’s “Myuchelys” article, available under the CC BY-SA 4.0 licence.