Srimad-Bhagavatam: Canto 3 - Chapter 1 - Verse 24
Sanskrit:
श्वा सृगालो वृको व्याघ्रो मार्जार: शशशल्लकौ ।सिंह: कपिर्गज: कूर्मो गोधा च मकरादय: ॥ २४ ॥
ITRANS:
śvā sṛgālo vṛko vyāghromārjāraḥ śaśa-śallakausiṁhaḥ kapir gajaḥ kūrmogodhā ca makarādayaḥ
Translation:
The dog, jackal, tiger, fox, cat, rabbit, sajāru, lion, monkey, elephant, tortoise, alligator, gosāpa, etc., all have five nails in their claws. They are known as pañca-nakhas, or animals having five nails.