A general term (illustration) for crustaceans belonging to the Galatheidae family, a type of hermit crab that is intermediate between shrimps and crabs. Its external shape is more similar to that of a shrimp, and it is named after its folded abdomen, but it is also called Galatea from its basic genus name, Galathea . Its body is flat dorsally and ventrally, with many transverse stripes. Its rostrum is often large and triangular, but can also be spine-like. It has long claw legs and three pairs of walking legs followed by small legs for cleaning the gill chambers. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
コシオリエビ科Galatheidaeに属する甲殻類の総称(イラスト)で,エビ類とカニ類の中間の異尾類(ヤドカリ類)の仲間である。外形はむしろエビ類に近く,腹部を折り曲げているのでこの名があるが,基本となる属名Galatheaからそのままガラテアとも呼ばれる。体は背腹に平らで,多くの横筋がある。額角は大きな三角形のことが多いが,とげ状のこともある。長大なはさみ脚と3対の歩脚に続いて鰓室(さいしつ)清掃用の小さな脚がある。
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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