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...
- formation was, unlike the typical living environments of eurypterids (especially the swimming eurypterids of the suborder Eurypterina), a freshwater environment...
- in at least some eurypterids. Though sometimes, and often historically, treated as distinct genera, the hibbertopterid eurypterids Cyrtoctenus and Dunsopterus...
- Braddy, Poschmann and Tetlie. The pterygotid eurypterids include many of the largest known eurypterids, such as Pterygotus and Acutiramus. Several factors...
- Until recently, eurypterids were thought to belong to the class Merostomata along with order Xiphosura. It is now believed that eurypterids are a sister...
- the extinct eurypterids had gills, but the fossil evidence was ambiguous. However, a fossil of the 45 millimetres (1.8 in) long eurypterid Onychopterella...
- are no longer considered eurypterids. The list currently includes 115 names out of which 74 are considered valid eurypterid genera. There are approximately...
- initially misidentified as eurypterids. Chasmataspidids had been interpreted as relatives/members of either xiphosurans or eurypterids, or forming a clade (Dekatriata)...
- America and Great Britain. Carcinosomatid eurypterids had unusual proportions and features compared to other eurypterids, with a broad abdomen, thin and long...
- as part of the pterygotid family of eurypterids, to which it lends its name, a group of highly derived eurypterids of the Silurian to Devonian periods...