短頸龍是由塞繆爾·溫德爾·威利斯頓(S.W. Williston)在1907年命名[1][5]。在1952年,喬治·史登柏格(George F. Sternberg)在堪薩斯州拉塞爾縣的Fairport黏土層,發現一個更大的標本(編號FHSM VP-321),頭骨長度為1.7公尺,由肯尼思·卡彭特(K. Carpenter)敘述[6]。在2005年,兩位科學家鑑定出這兩個堪薩斯州標本的地質年代[7]。短頸龍的頭骨長度為90公分,身長約10公呎。短頸龍是已知北美洲最晚出現的上龍類。
參考資料
^ 1.01.11.2Williston SW. 1903. North American plesiosaurs. Field Columbian Museum, Pub. 73, Geological Series2 (1):1-79. (29 plates)
^Hampe O. 2005. Considerations on a Brachauchenius skeleton (Pliosauroidea) from the lower Paja Formation (late Barremian) of Villa de Leyva area (Colombia). Fossil Record - Mitteilungen aus dem Museum für Naturkunde in Berlin8 (1): 37-51.
^Everhart MJ. 2005. Oceans of Kansas - A Natural History of the Western Interior Sea. Indiana University Press, 320 pp. ISBN 780253345479 }}.
^Everhart MJ. 2007. Historical note on the 1884 discovery of Brachauchenius lucasi (Plesiosauria; Pliosauridae) in Ottawa County, Kansas. Kansas Academy of Science, Transactions110 (3/4): 255-258.
^Williston SW. 1907. The skull of Brachauchenius, with special observations on the relationships of the plesiosaurs. United States National Museum Proceedings32: 477-489. (pls. 34-37)
^Carpenter K. 1996. A Review of short-necked plesiosaurs from the Cretaceous of the western interior, North America. Neues Jahbruch für Geol. Palaont. Abh. (Stuttgart)201 (2): 259-287.
^Schumacher BA, Everhart MJ. 2005. A stratigraphic and taxonomic review of plesiosaurs from the old “Fort Benton Group” of central Kansas: A new assessment of old records. Paludicola5 (2): 33-54.