Gyalopion is a genus of small nonvenomous colubrid snakes. Species in the genus Gyalopion are commonly referred to as hooknose snakes, and are native to the southwestern United States and Mexico.
The following species and subspecies are recognized:
Nota bene: A binomial authority or trinomial authority in parentheses indicates that the species or subspecies was originally described in a genus other than Gyalopion.
G. canum is found in the United States (Arizona, New Mexico, Texas), and in Mexico (Chihuahua, Coahuila, Durango, Jalisco, Michoacán, Nuevo León, San Luis Potosí, Sonora, Zacatecas).[1]
G. quadrangulare is found in the United States (Arizona), and in Mexico (Sinaloa, Sonora).[2]
Hooknose snakes prefer shortgrass prairie habitats.
Dorsally, the base color of hook-nosed snakes is light brown, which is overlaid with darker brown crossbands. The ventral color is white or cream-colored. The most distinguishing feature of hook-nosed snakes is an upturned snout, which has a concave rostral scale, as opposed to hognose snakes which have a keeled rostral scale. Species of Gyalopion rarely grow beyond 25.5 cm (10 inches) in total length (including tail).
Hooknose snakes are nocturnal and secretive snakes, generally found hiding under rocks, or buried in the soil.
The primary diet of hook-nosed snakes consists of spiders and centipedes.
Species in the genus Gyalopion are oviparous.
Gyalopion is a genus of small nonvenomous colubrid snakes. Species in the genus Gyalopion are commonly referred to as hooknose snakes, and are native to the southwestern United States and Mexico.
Perekonda Gyalopion klassifitseeritakse roomajate andmebaasis järgmised maoliigid[1]:
Need maod on levinud Ameerika Ühendriikide kaguosas ja Mehhikos.
Selles artiklis on kasutatud prantsuskeelset artiklit fr:Gyalopion seisuga 09.01.2014.
Gyalopion Colubridae familiako narrasti genero bat da. Ameriketako Estatu Batuetan eta Mexikon bizi dira.
Gyalopion Colubridae familiako narrasti genero bat da. Ameriketako Estatu Batuetan eta Mexikon bizi dira.
Gyalopion est un genre de serpents de la famille des Colubridae[1].
Les espèces de ce genre se rencontrent dans le sud-ouest des États-Unis et au Mexique[1].
Ce sont des serpents de couleur brun clair avec des lignes sombres. Ils atteignent au maximum 25 cm.
Selon Reptarium Reptile Database (27 déc. 2011)[2] :
Gyalopion est un genre de serpents de la famille des Colubridae.
Multimedia w Wikimedia Commons Gyalopion – rodzaj węża z podrodziny Colubrinae w rodzinie połozowatych (Colubridae).
Rodzaj obejmuje gatunki występujące w Stanach Zjednoczonych i Meksyku[4].
Gyalopion (Gyalopium): gr. γυαλον gualon „pusty, wydrążony”[5]; πιων piōn, πιονος pionos „gruby, otyły”[6].
Do rodzaju należą następujące gatunki[4]:
Gyalopion – rodzaj węża z podrodziny Colubrinae w rodzinie połozowatych (Colubridae).
Gyalopion[1] este un gen de șerpi din familia Colubridae.[1]
Cladograma conform Catalogue of Life[1]:
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Acest articol referitor la o reptilă este un ciot. Puteți ajuta Wikipedia prin completarea sa. 
吉娃娃鷹鼻蛇（Gyalopion canum）
沙漠鷹鼻蛇（Gyalopion quadrangulare）
鷹鼻蛇屬（學名：Gyalopion）是蛇亞目游蛇科下的一個無毒蛇屬，主要分布於美國西南部及墨西哥，是一種體型細小的游蛇。
吉娃娃鷹鼻蛇主要分布於美國阿利桑那州、新墨西哥州、德克薩斯州，與及墨西哥的奇瓦瓦州、索諾拉州、聖路易斯波托西州、科阿韋拉州、杜蘭戈州、薩卡特卡斯州、新萊昂州、米卻肯州及哈利斯科州。而沙漠鷹鼻蛇則主要分布於美國阿利桑那州、墨西哥索諾拉州及錫那羅亞州。鷹鼻蛇多於短草大草原出沒。
鷹鼻蛇身體主要以淺棕色為基調，身上有深棕色的橫條斑紋。吻部位置呈白色。鼻端明顯向上翹起，呈凹洞狀，與豬鼻蛇的形態相反，並有著尖刺狀的鱗片。
鷹鼻蛇為夜行性動物，行蹤隱秘，平日多躲藏於岩石底下，或鑽進沙土中。牠們主要捕食蜘蛛及蜈蚣。另外，鷹鼻蛇是卵生蛇類。
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这是一篇與蛇類相關的小作品。你可以通过编辑或修订扩充其内容。 