• Thumbnail for Brachyopterus
    assigned to it in the past, Brachyopterus is today recognized as containing one valid species, B. stubblefieldi. Brachyopterus is distinguished by its small...
    4 KB (372 words) - 07:25, 15 July 2024
  • Thumbnail for Megarachne
    Brachyopterus...
    22 KB (2,385 words) - 07:24, 17 August 2024
  • Thumbnail for Stylonurina
    The suborder contains some of the oldest known eurypterids, such as Brachyopterus, from the Middle Ordovician as well as the youngest known eurypterids...
    11 KB (973 words) - 03:36, 18 December 2023
  • Thumbnail for Eurypterid
    during the Middle Ordovician. The earliest known stylonurine eurypterid, Brachyopterus, is also Middle Ordovician in age. The presence of members of both suborders...
    93 KB (10,210 words) - 11:26, 7 October 2024
  • Thumbnail for Jaekelopterus
    Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    34 KB (3,898 words) - 21:14, 4 October 2024
  • Thumbnail for Kiaeropterus
    Waterston (1979). Later studies revealed important similarities with Brachyopterus, including the large eyes converging anteriorly, the lack of a cuticular...
    4 KB (458 words) - 03:01, 25 May 2024
  • Thumbnail for Eurypterus
    Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    54 KB (5,349 words) - 23:01, 28 March 2024
  • Thumbnail for Hibbertopterus
    Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    46 KB (4,935 words) - 04:30, 18 October 2024
  • Thumbnail for Palaeontology in Wales
    originally considered to be Agnostus pisiformis var. obesus (Belt, 1867). Brachyopterus is a genus of prehistoric eurypterid of the family Rhenopteridae. It...
    8 KB (748 words) - 11:46, 29 October 2024
  • Thumbnail for Acutiramus
    Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    34 KB (3,793 words) - 18:08, 25 August 2024
  • Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    5 KB (547 words) - 16:01, 8 January 2024
  • Thumbnail for Rhenopteridae
    Stylonurina. The family contains one of the earliest known eurypterids, Brachyopterus, known from the Middle Ordovician (also the sister taxon to all other...
    6 KB (600 words) - 03:35, 18 December 2023
  • Thumbnail for Ctenopterus
    Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    2 KB (214 words) - 12:05, 26 September 2024
  • Thumbnail for Eurypteroidea
    Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    2 KB (164 words) - 10:37, 13 July 2023
  • Thumbnail for Pterygotus
    Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    65 KB (7,613 words) - 15:43, 20 August 2024
  • Thumbnail for Brachyopterella
    pentagonalis was originally named as a species of the closely related Brachyopterus, differences in the shape of the carapace and the eyes allowed them...
    4 KB (321 words) - 15:22, 13 July 2024
  • Thumbnail for Echinognathus
    Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    16 KB (1,579 words) - 23:20, 8 September 2023
  • Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    1 KB (99 words) - 12:38, 14 July 2023
  • Thumbnail for Stylonurella
    Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    5 KB (375 words) - 03:54, 18 December 2023
  • Thumbnail for Mixopteridae
    Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    3 KB (269 words) - 21:28, 21 August 2024
  • Thumbnail for Drepanopterus
    Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    6 KB (629 words) - 03:53, 18 December 2023
  • related to Rhenopterus and more derived than basal rhenopterids such as Brachyopterus and Brachyopterella. However, a 2021 study concluded that Leiopterella...
    4 KB (352 words) - 12:24, 14 July 2023
  • Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    2 KB (167 words) - 01:38, 21 February 2022
  • Thumbnail for Tylopterella
    Brachyopterus stubblefieldi Rhenopterus diensti...
    20 KB (1,943 words) - 17:40, 8 November 2023
  • Thumbnail for Eurypterina
    Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    14 KB (1,375 words) - 03:12, 25 December 2023
  • Thumbnail for Pagea
    Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    3 KB (250 words) - 03:40, 13 July 2024
  • Thumbnail for Megalograptidae
    Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    4 KB (349 words) - 08:40, 25 August 2021
  • Thumbnail for Mycteropoidea
    Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    9 KB (988 words) - 21:17, 16 January 2024
  • Thumbnail for Stylonuroidea
    Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    5 KB (454 words) - 21:11, 16 January 2024
  • Thumbnail for Stylonurus
    Europe North America Oceania South America Notable genera Adelophthalmus Brachyopterus Campylocephalus Carcinosoma Drepanopterus Eurypterus Hibbertopterus...
    3 KB (278 words) - 16:05, 19 December 2023