Rana arvalis, Altai Brown Frog (Altai Mountains Populations). In: The IUCN Red List of Threatened Species 2009. IUCN Red List; 2009. e.T58548A11800564.
Triturus carnifex (Italian Crested Newt). In: The IUCN Red List of Threatened Species 2009. IUCN Red List; 2009. e.T59474A11947714.
Triturus dobrogicus (Danube Crested Newt). In: The IUCN Red List of Threatened Species 2009. IUCN Red List; 2009. e.T22216A9366668.