A general term for brachiopods belonging to the class Articulata. This name comes from the resemblance of the two shells to the fruit of the plant Physalis. The English name was also given to this species because the small holes in the protruding apex of the shell resemble an Arabian lamp. All species live in the sea, attaching to the surface of sponges, stony corals, and reefs with their fleshy stalks facing upwards on well-permeable seafloors at depths of 10m or more. Shell length is 10-50mm. The two shells are not located in front of and behind the animal's body as in bivalves, but are developed in a dorsoventral position, and the shapes of the two shells are different. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
有関節綱Articulataに属する腕足動物の総称。2枚の貝殻の形が植物のホオズキの実に似ているところからこの名がある。また,突出した殻頂に小孔が開いているようすがアラビア風のランプに似ることからこの英名がつけられている。すべて海産で,水深10m以深の水通しのよい海底に,肉柄で腹面を上に向けてカイメン,イシサンゴ,岩礁などの表面に付着している。 殻長10~50mm。2枚の貝殻は二枚貝のように動物体の前後にあるのではなく,背腹の位置に発達していて,2枚の殻の形は異なっている。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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