Eurypterus

Dorsal and ventral aspects of Eurypterus tetragonophthalmus, from Jan Nieszkowski's 1858 dissertation

Eurypterus (/jʊˈrɪptərəs/ ew-RIP-tər-əs) is an extinct genus of sea scorpions. They existed during the Silurian Period, from around 432 to 418 million years ago.

There are fifteen species belonging to the genus Eurypterus, the most common of which is Eurypterus remipes, the first eurypterid fossil discovered and the state fossil of New York.

单词	Eurypterus
释义	Eurypterus 英语百科 Eurypterus Eurypterus (/jʊˈrɪptərəs/ ew-RIP-tər-əs) is an extinct genus of sea scorpions. They existed during the Silurian Period, from around 432 to 418 million years ago. There are fifteen species belonging to the genus Eurypterus, the most common of which is Eurypterus remipes, the first eurypterid fossil discovered and the state fossil of New York.
随便看	extracurricular的意思 Extra curricular的意思 Extracurricular activities的意思 extra curricular activity的意思 extracurricular activity的意思 extracurricular athletics的意思 extracurricular excursion的意思 extracurricularly的意思 Extracurricular Reading的意思 extracurricular的意思 extracurricular work的意思 extracurriculum的意思 extra curriculum的意思 extracurriculum activity的意思 extra curvature的意思 extracutaneous的意思 extra cutter head的意思 extracystic的意思 extracytoplasmatic的意思 extracytoplasmatically的意思 extracytoplasmic的意思 extra data model的意思 extra dating的意思 extra deep drawing的意思 extra deep drawing steel的意思