foot
In frogs the ankle bones (or tarsals) are fused to form the astragalus-calcaneum.
An astragalus is another name for the anklebone.
Astragalus membranaceus
Astragalus monspessulanus was created in 1753.
Astragalus brachycalyx was created in 1843.
Astragalus anxius was created in 1992.
Astragalus anserinus was created in 1984.
Astragalus iselyi was created in 1974.
Astragalus zionis was created in 1895.
Astragalus loanus was created in 1964.
Astragalus hypoxylus was created in 1882.
Astragalus missouriensis was created in 1818.