Ostracods, or ostracodes, are a class of the Crustacea (class Ostracoda), sometimes known as seed shrimp. Some 33,000 species (only 13,000 of which are extant) have been identified, [2] …

介形綱 （學名： Ostracoda），是 甲殼亞門 之下的一個 綱級 分類單元，其生物泛稱作 介形蟲 或 种子虾。 目前已辨識的介形蟲有約7萬個物種，當中只有約1.3萬個 現生種，其餘5萬多個皆為 …

介形虫纲 (Class Ostracoda)的 甲壳动物，分布广。 有似软体动物的两瓣外壳。 躯干极短，外表不分节，这与多数甲壳动物不同。 几乎整个身体包在外壳内。 据估计，现生种数量大约在1万 …

2012年1月1日 · Following an outline of ostracodological activity, the characteristic features of the Quaternary ostracods are reviewed, including morphology, distribution, fossil history and …

Ostracods are amazing small crustaceans, which inhabit virtually all aquatic environments on Earth. The group is characterized by a body completely enclosed between two valves which in …

Ostracods are small, aquatic crustaceans that are typically less than 1 mm in size. They are also commonly known as “seed shrimp” or “mussel shrimp.” Ostracods are found in various aquatic …

Ostracods are by far the most complex organisms studied within the field of micropalaeontology. They are Metazoa and belong to the Phylum Arthropoda (as trilobites), Class Crustacea (as …

2024年5月27日 · The most common of ancient crustaceans, ostracods are tiny crustaceans in the class Ostracoda. Scientists have identified around 70,000 individual ostracods, but only …

2019年12月13日 · Ostracod valves are pierced by diversely shaped holes called pore canals (Fig. 4(1)). According to their position, two categories of pore canals are noted, the normal (lateral) …

The Ostracoda are minute aquatic crustaceans whose bivalved shells (carapaces) have been found in sediments of all ages as far back as the Upper Cambrian.