ID Help - 6 Small Ancient Coins

Hi,
I need help to identify this small ancient coin.
1. Weigth 1.15 gram Diamater 8.5-10 mm.
Obv. Crab, shellfish or ? Rev. incuse square


2. Weigth 3.10 gram Diameter 12.5 mm
Obv. Maybe head of someone? Rev. Some animal, horse, wolf?


3. Weigth 0.51 gram Diameter 7.6 mm
Obv. Head of deer or bull? Rev. Some kind of incuse


4. Weigth 1.101 gram Diamater 9.0 mm
Obv. Head of ? Rev. ?


5. Weigth 0.35 Diameter 8.1 mm
Obv. ? Rev. ?


6. Weigth 0.16 gram Diamater 4.5-5.5 mm
Obv. ? Rev. incuse square