Sökning: "Actinopterygii"

Hittade 2 avhandlingar innehållade ordet Actinopterygii.

1. 1. Evolution of Vertebrate Eyes: a study on lens suspension and optical proterties

   Författare :Ola Gustafsson; Biologiska institutionen; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; evolution; eye; fish; crystalline lens; lens suspension; multifocal optical systems; Agnatha; Actinopterygii; Chondrichthyes; Vertebrate; Sarcopterygii;

   Sammanfattning : Many fishes have well-developed visual systems with color vision capabilities. The crystalline lens is the major refractive element in a fish eye since the cornea is optically inactive underwater. A typical fish eye has a large pupil and a lens of short focal length, features that increase light gathering ability. LÄS MER

3. 2. Phylogenetic analyses of the genus Rasbora (Teleostei: Cyprinidae) and its systematic postition within the cyprinid subfamily Danioninae (Actinopterygii: Cypriniformes)

   Författare :Te-Yu Liao; Stockholms universitet; []
   Nyckelord :;

   Sammanfattning : .... LÄS MER