• Thumbnail for Weigeltaspis
    Weigeltaspis is a genus of extinct heterostracan agnathan fish known from the Late Silurian and Early Devonian periods. Fossils are known primarily from...
    2 KB (178 words) - 21:13, 8 August 2023
  • Thumbnail for Traquairaspidiformes
    the heterostracan Weigeltaspis. This similarity of ornamentation creates much confusion over the taxonomical placement of Weigeltaspis, in addition to confusion...
    4 KB (381 words) - 02:00, 15 September 2024
  • Thumbnail for Sacabambaspis
    Phialaspididae Munchoaspis Phialaspis Toombsaspis Traquairaspididae Pseudotraquairaspis Rimasventeraspis Traquairaspis Weigeltaspididae? Weigeltaspis...
    9 KB (918 words) - 11:55, 3 October 2024
  • Thumbnail for Traquairaspis
    the heterostracan Weigeltaspis. This similarity of ornamentation creates much confusion over the taxonomical placement of Weigeltaspis, in addition to confusion...
    3 KB (189 words) - 11:07, 27 September 2022
  • Thumbnail for Arandaspis
    Phialaspididae Munchoaspis Phialaspis Toombsaspis Traquairaspididae Pseudotraquairaspis Rimasventeraspis Traquairaspis Weigeltaspididae? Weigeltaspis...
    3 KB (250 words) - 08:59, 16 May 2024
  • Thumbnail for Arandaspida
    Phialaspididae Munchoaspis Phialaspis Toombsaspis Traquairaspididae Pseudotraquairaspis Rimasventeraspis Traquairaspis Weigeltaspididae? Weigeltaspis...
    5 KB (430 words) - 11:33, 16 September 2024
  • Thumbnail for Astraspis
    Phialaspididae Munchoaspis Phialaspis Toombsaspis Traquairaspididae Pseudotraquairaspis Rimasventeraspis Traquairaspis Weigeltaspididae? Weigeltaspis...
    3 KB (259 words) - 02:01, 23 July 2024
  • Thumbnail for Pteraspidiformes
    selectively filtered specific sized plankton from the water column. If Weigeltaspis is not a psammosteid pteraspidid, then the Anchipteraspidids are the...
    6 KB (623 words) - 12:39, 4 July 2023
  • Thumbnail for Pteraspidomorphi
    Phialaspididae Munchoaspis Phialaspis Toombsaspis Traquairaspididae Pseudotraquairaspis Rimasventeraspis Traquairaspis Weigeltaspididae? Weigeltaspis...
    5 KB (332 words) - 15:33, 22 November 2023
  • Phialaspididae Munchoaspis Phialaspis Toombsaspis Traquairaspididae Pseudotraquairaspis Rimasventeraspis Traquairaspis Weigeltaspididae? Weigeltaspis...
    1 KB (39 words) - 10:30, 10 March 2023