• Thumbnail for Parastylonuridae
    The Parastylonuridae are a family of eurypterids, an extinct group of chelicerate arthropods commonly known as "sea scorpions". The family is one of two...
    2 KB (218 words) - 23:00, 8 March 2024
  • Thumbnail for Eurypterid
    the eurypterine suborder. Only one group of stylonurines (the family Parastylonuridae) went extinct in the Early Devonian. Only two families of eurypterines...
    93 KB (10,210 words) - 11:26, 7 October 2024
  • Thumbnail for Megarachne
    Rhenopteroidea Rhenopteridae Stylonuroidea Parastylonuridae Stylonuridae Kokomopteroidea Kokomopteridae Hardieopteridae Mycteropoidea Drepanopteridae Hibbertopteridae...
    22 KB (2,385 words) - 07:24, 17 August 2024
  • Thumbnail for Jaekelopterus
    Rhenopteroidea Rhenopteridae Stylonuroidea Parastylonuridae Stylonuridae Kokomopteroidea Kokomopteridae Hardieopteridae Mycteropoidea Drepanopteridae Hibbertopteridae...
    34 KB (3,898 words) - 21:14, 4 October 2024
  • Thumbnail for Parastylonurus
    is a genus of prehistoric eurypterid. It is classified within the Parastylonuridae family and contains three species, P. hendersoni and P. ornatus from...
    4 KB (348 words) - 22:28, 14 July 2024
  • Thumbnail for Eurypterus
    Rhenopteroidea Rhenopteridae Stylonuroidea Parastylonuridae Stylonuridae Kokomopteroidea Kokomopteridae Hardieopteridae Mycteropoidea Drepanopteridae Hibbertopteridae...
    54 KB (5,349 words) - 23:01, 28 March 2024
  • Thumbnail for Hibbertopterus
    Rhenopteroidea Rhenopteridae Stylonuroidea Parastylonuridae Stylonuridae Kokomopteroidea Kokomopteridae Hardieopteridae Mycteropoidea Drepanopteridae Hibbertopteridae...
    46 KB (4,935 words) - 04:30, 18 October 2024
  • Thumbnail for Orcanopterus
    Rhenopteroidea Rhenopteridae Stylonuroidea Parastylonuridae Stylonuridae Kokomopteroidea Kokomopteridae Hardieopteridae Mycteropoidea Drepanopteridae Hibbertopteridae...
    5 KB (526 words) - 13:08, 4 October 2022
  • Thumbnail for Pterygotus
    Rhenopteroidea Rhenopteridae Stylonuroidea Parastylonuridae Stylonuridae Kokomopteroidea Kokomopteridae Hardieopteridae Mycteropoidea Drepanopteridae Hibbertopteridae...
    65 KB (7,613 words) - 15:43, 20 August 2024
  • Thumbnail for Stylonurella
    is a genus of prehistoric eurypterid. It is classified within the Parastylonuridae family and contains three species, S. arnoldi and S. beecheri from...
    5 KB (375 words) - 03:54, 18 December 2023