ostracodとは 意味・読み方・使い方

別の表記

• ostracode
• ostracoid (廃れた用法)

語源

From Ancient Greek ὀστρακώδης (ostrakṓdēs, “covered with shell”), from ὄστρακον (óstrakon, “clay pot; shell”); compare translingual Ostracoda.

名詞

ostracod (複数形 ostracods)

1. Any of many small crustaceans, of the class Ostracoda, that resemble a shrimp enclosed in a bivalve shell.
   • 1990, Anne Van Frausum; Karel Wouters, “39: Ostracoda from Holocene calcareous tufa deposits in southern Belgium: a palaeoenvironmental analysis”, in R. Whatley; C. Maybury, editors, Ostracoda and Global Events, page 509:

     Considering all the ecological data, there seems to be an evolution in the associations of ostracods throughout time.

   • 2000, Robin J. Smith; Koen Martens, “The ontology of the cypridid ostracod Eucypris virens (Jurine, 1820) (Crustacea, Ostracoda)”, in David J. Horne; Koen Martens, editors, Evolutionary Biology and Ecology of Ostracoda, page 31:

     This study has also shown that the fifth limb is most probably of thoracic origin and hence ostracods have only one pair of maxillae.

   • 2012, Ivana Karanovic, Recent Freshwater Ostracods of the World: Crustacea, Ostracoda, Podocopida, page 64:

     A number of parasites and epibionts have been reported from freshwater ostracods, including cestodes, protozoans, helminthes, peritrichs, and acanthocephalans (Griffits かつ Evans 1994).

同意語

• (any species of Ostracoda): seed shrimp

アナグラム

• cat doors, cortados