Definition of Eurypterids. Meaning of Eurypterids. Synonyms of Eurypterids

- youngest known eurypterid. No eurypterids are known from fossil beds higher than the Permian. This indicates that the last eurypterids died either in...
- in at least some eurypterids. Though sometimes, and often historically, treated as distinct genera, the hibbertopterid eurypterids Cyrtoctenus and Dunsopterus...
- the extinct eurypterids had gills, but the fossil evidence was ambiguous. However, a fossil of the 45 millimetres (1.8 in) long eurypterid Onychopterella...
- formation was, unlike the typical living environments of eurypterids (especially the swimming eurypterids of the suborder Eurypterina), a freshwater environment...
- Diploperculata in the suborder Eurypterina. Adelophthalmid eurypterids were small and swimming eurypterids that appeared in the Silurian period. With the earliest...
- are no longer considered eurypterids. The list currently includes 115 names out of which 74 are considered valid eurypterid genera. There are approximately...
- final genus of the Eurypterina suborder of eurypterids and consisted the only known genus of swimming eurypterids from the Middle Devonian until its extinction...
- initially misidentified as eurypterids. Chasmataspidids had been interpreted as relatives/members of either xiphosurans or eurypterids, or forming a clade (Dekatriata)...
- Until recently, eurypterids were thought to belong to the class Merostomata along with order Xiphosura. It is now believed that eurypterids are a sister...
- members of the group from eurypterids of the other pterygotioid families, Slimonidae and Hughmilleriidae, and other eurypterids in general. Due to their...