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- Doryaspis abstract "Doryaspis ("Dart Shield") (also known by its synonym, "Lyktaspis") is an extinct genus of primitive jawless fish that lived in the Devonian period. Fossils have been discovered in Spitsbergen.The animals had a canteen-shaped body armor, and had large branchial plates that extended out and curved downward in a triangular shape, very similar to those of the pycnosteids. An element of the median oral plates (that would correspond to the lower lip or chin in gnathostomes) extends out in a long rod-shaped appendage, called the "pseudorostrum." The tail is long and slender, and has large rows of thick scales.In the type species, D. nathorsti, the lateral edges of the branchial plates and of the pseudorostrum are serrated. The second species, D. arctica, is smaller, and lacks serrated edges.".
- Doryaspis class Agnatha.
- Doryaspis class Heterostraci.
- Doryaspis kingdom Animal.
- Doryaspis order Pteraspidiformes.
- Doryaspis phylum Chordate.
- Doryaspis thumbnail Doryaspis_NT.jpg?width=300.
- Doryaspis wikiPageExternalLink 0272-4634%282002%29022%5B0735:TGDWHF%5D2.0.CO%3B2.
- Doryaspis wikiPageID "5303339".
- Doryaspis wikiPageRevisionID "532598066".
- Doryaspis classis "†Heterostraci".
- Doryaspis familia "Doraspididae".
- Doryaspis genus "Doryaspis".
- Doryaspis genusAuthority "White, 1935".
- Doryaspis hasPhotoCollection Doryaspis.
- Doryaspis imageCaption "Reconstruction of D. nathorsti".
- Doryaspis ordo Pteraspidiformes.
- Doryaspis phylum Chordate.
- Doryaspis regnum "Animalia".
- Doryaspis subdivision "* D. nathorsti * D. arctica".
- Doryaspis subdivisionRanks "Species".
- Doryaspis superclassis Agnatha.
- Doryaspis synonyms "* Scaphaspis * Lyktaspis".
- Doryaspis subject Category:Devonian_fish.
- Doryaspis subject Category:Heterostraci.
- Doryaspis subject Category:Prehistoric_fish_of_Europe.
- Doryaspis type Animal.
- Doryaspis type Eukaryote.
- Doryaspis type Species.
- Doryaspis type Organism.
- Doryaspis comment "Doryaspis ("Dart Shield") (also known by its synonym, "Lyktaspis") is an extinct genus of primitive jawless fish that lived in the Devonian period. Fossils have been discovered in Spitsbergen.The animals had a canteen-shaped body armor, and had large branchial plates that extended out and curved downward in a triangular shape, very similar to those of the pycnosteids.".
- Doryaspis label "Doryaspis".
- Doryaspis sameAs m.0ddj3q.
- Doryaspis sameAs Q5299076.
- Doryaspis sameAs Q5299076.
- Doryaspis wasDerivedFrom Doryaspis?oldid=532598066.
- Doryaspis depiction Doryaspis_NT.jpg.
- Doryaspis isPrimaryTopicOf Doryaspis.
