غضروعظميات

Acipenser Sturio Linnaeus. Common Sturgeon

Psephurus gladius Gunther. Yangtse River.

Female Sturgeon with Roe Exposed, and Appliances for Making Caviar, Delaware River.

Short-Nosed Sturgeon (Acipenser brevirostrum LeSueur).

Lake Sturgeon, Acipenser rubicundus Le Sueur. Ecorse, Mich..

Acipenser stellatus (Pallas).

Acipenser heckelii (Fitzinger).

Acipenser sturio. Ventral view of female.

Sturgeon, Weight 575 Lbs., Caught Near Seattle.

Acipenser schypa, Head Seen from Below.

Lake Sturgeon. (Acipenser rubicundus).

Acipenser stellatus, Head Seen from Above.

Head of Acipenser heckelii, Seen from Above.

Acipenser sturio. Female with roe exposed.

Acipenser guldenstadth, Var. Schypa.

Acipenserschypa, Head Seen from Above.

Acipenser huso.

Acipenser stellatus, Head Seen from Beneath.

Head of Acipenser heckelii, Seen from Below.

Acipenser sturio. Dorsal view of female.

Acipenser guldenstadtii (Brandt).

Acipenser glaber (Marsilius).

Head of Acipenser huso, Seen from Above.

Acipenser gmelini, Head Seen from Above.