Eurypteroidea
Eurypteroidea Temporal range: Silurian–Devonian | |
---|---|
Scientific classification ![]() | |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Merostomata |
Order: | †Eurypterida |
Suborder: | †Eurypterina |
Superfamily: | †Eurypteroidea Burmeister, 1843 |
Families | |
See text |
Eurypteroidea are an extinct superfamily of eurypterids.
Description
Eurypteroidea, which lived from the Ordovician to Permian periods, were characterized by their last pair of prosomal (head) appendages, which were developed as swimming legs, carrying paddles formed by the expansion of the two penultimate joints.[1]
Families
- Class Merostomata Dana, 1852
- Order Eurypterida Burmeister, 1843
- Subroder Eurypterina Burmeister, 1845
- Superfamily Eurypteroidea Burmeister, 1845
- Family Dolichopteridae Kjellesvig-Waering & Størmer, 1952
- Family Eurypteridae Burmeister, 1845
- Family Erieopteridae Tollerton, 1989
References
- ↑ Størmer, L 1955. Merostomata. Treatise on Invertebrate Paleontology, Part P Arthropoda 2, Chelicerata, P30. as Eurypteracea