Acipenseriformes
Videos
Acipenseriformes is an order of basal ray-finned fishes that includes living and fossil sturgeons and paddlefishes, as well as the extinct families Chondrosteidae and Peipiaosteidae. They are the seco
Fossil of the †chondrosteid †Strongylosteus hindenburgi, Tübingen
Fossil of the †peipiaosteid †Yanosteus longidorsalis, MHNT
The living polyodontid Polyodon spathula (American paddlefish)
The recent polyodontid Psephurus gladius (Chinese paddlefish)
Paddlefish
Videos
Paddlefish are members of the ray-finned fish family Polyodontidae, which belong to the basal order Acipenseriformes, one of two living groups within this order alongside sturgeons. Their most distinc
Acipenseriformes
…Acipenseriformes is an order of basal ray-finned fishes that includes living and fossil sturgeons and paddlefishes (Acipenseroidei), as well as the extinct families Chondrosteidae and Peipiaosteidae. They are the second earliest diverging group of living ray-finned…
Paddlefish Polyodon spathula
A specimen of Psephurus gladius, Museum of Hydrobiological Sciences, Wuhan Institute of Hydrobiology
Closeup of the head of an American paddlefish, showing the presence of electrorecepting organs (ampullae of Lorenzini)
30-day-old fry of the American paddlefish