Balanus is a genus of barnacles in the family Balanidae of the subphylum Crustacea. Fossil shells of Balanus from Pliocene This genus is known in the fossil record from the Jurassic to the Quaternary periods (age range: from 189.6 to 0.0 million years ago.). Fossil shells within this genus have been found all over the world. [1]

0:30 藤壺進食 藤壶属 （学名： Balanus）是 藤壶科 下的一 属，俗称“马牙”。 该属物种生活在全世界的 岩石 海岸 和 海洋 漂流物上。

藤壶分布甚广，几乎任何海域的 潮间带 至 潮下带 浅水区，都可以发现其踪迹，藤壶数量繁多，常密集住在一起 [12]。藤壶的幼虫时期经历了一系列的变化：浮游，无节幼体、腺介幼体，其中腺介幼体无须摄食，此阶段仅仅是为了选择附着、变化的适宜地方 [13] [21]。藤壶有的喜欢附着在船底 …

Balanus balanus is a species of acorn barnacle in the Balanidae family. It is native to the colder seas of the northern hemisphere.

Balanus nubilus, commonly called the giant acorn barnacle, is the world's largest barnacle, reaching a diameter of 15 cm (6 in) and a height of up to 30 cm (12 in), [3] and containing the largest known muscle fibres. [4][5] Balanus nubilus is a northeast Pacific species that ranges from southern Alaska to Baja California. [6]

藤壶，2002年，昆士兰，澳大利亚 藤壶科动物柔软的肉体被六块小石灰板围绕，这些板一般白色到淡灰色，边缘往往粗糙不平。在石灰板组成的锥的开口处有两对可以把开口遮掩住的盖子。藤壶科动物使用它们来防止自己脱水。把盖子盖好后它们可以数日处于干燥的状况下，可以这样来承受 …

To NHMUK collection (Balanus porcatus ul; NHMUK:ecatalogue:2722053) To NMNH Extant Collection (Balanus balanus USNM 48195, 51760, 51426, 48017, 51567, 48016, 12092, 48018)

藤壶（学名： Balanus），俗称“触”、“马牙”等，是一种附着于海边岩石上的有着石灰质外壳的节肢动物，常形成密集的群落。

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Balanus crenatus is essentially a sublittoral species, intolerant of exposure to air. It may be found in rock pools or under algal cover very low on the shore round the British Isles.