…This microcrustacean is different from the subclass of Branchiopods, which includes the baleen shrimps, which were previously considered to be the most primitive of the living crustaceans, but is very similar to the fossil crustaceans mentioned above, and has characteristics close to the most primitive ancestral form, so a new subclass of the class of Crustacea was created. To date, about 3 genera and 7 species of this new class have been known from sandy and muddy bottoms from the intertidal zone of the coasts of North America, Central America, South America, New Caledonia, and Africa to depths of about 1,400 meters, and from Japan, a species called Sandersiella acuminata has been known from the shallow seabed of Tomioka (Kumamoto Prefecture) and the Seto Inland Sea. [Shigeo Gamou]. … *Some of the terminology that mentions "Sandersiella acuminata" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…この微小甲殻類は,現生甲殻類では,これまでもっとも原始的とされていたホウネンエビ類を含む鰓脚亜綱とも異なり,前記の化石甲殻類によく似ており,もっとも原始的な祖先形に近い特徴をもっているので,甲殻綱中に新たにカシラエビ亜綱が創設された。この新しい綱には,現在までに,3属7種ほどが,北アメリカ,中央アメリカ,南アメリカ,ニューカレドニア,アフリカなどの海岸の潮間帯付近から1400mほどの深海までの砂泥底質中から知られ,日本からも,サンダージエラ・アクミナタSandersiella acuminataという種類が,富岡(熊本県)および瀬戸内海の浅海底から知られている。【蒲生 重男】。… ※「Sandersiella acuminata」について言及している用語解説の一部を掲載しています。 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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