1, 2. Ammonites Nepaulensis; 3. Ammonites Wallichii; 4. Ammonites tenuistnata
1830-1834
1, 2. Ammonites Nepaulensis; 3. Ammonites Wallichii; 4. Ammonites tenuistnata by John Edward Gray, 1830-1834, Nature
1830-1834
1, 2. Ammonites Nepaulensis; 3. Ammonites Wallichii; 4. Ammonites tenuistnata by John Edward Gray, 1830-1834, Nature