▁sell ▁them ▁as ▁pet r ified ▁sn akes . ▁In ▁other ▁cases , ▁the ▁s nake ' s ▁head ▁would ▁be ▁simply ▁painted ▁on . ▁Am mon ites ▁from ▁the ▁Gand aki ▁river ▁in ▁Nep al ▁are ▁known ▁as ▁sal igr ams , ▁and ▁are ▁believed ▁by ▁H ind us ▁to ▁be ▁a ▁concrete ▁manifest ation ▁of ▁God , ▁or ▁V ish nu . ▁ ▁See ▁also ▁▁ ▁Am m ol ite ▁– ▁a ▁gem stone ▁formed ▁from ▁foss il ▁am mon ite ▁shell s ▁ ▁Be lem no idea ▁ ▁Cole o idea ▁ ▁F oss ils ▁and ▁the ▁ge olog ic ▁times c ale ▁ ▁N aut ilo idea ▁ ▁References ▁ ▁Further ▁reading ▁ ▁Ne al ▁L . ▁Lar son , ▁Steven ▁D ▁J org ensen , ▁Robert ▁A ▁F arr ar ▁and ▁Peter ▁L ▁Lar son . ▁Am mon ites ▁and ▁the ▁other ▁Ce phal op ods ▁of ▁the ▁Pierre ▁Se away . ▁Ge os cience ▁Press , ▁ 1 9 9 7 . ▁ ▁Le h mann , ▁Ulrich . ▁ ▁The ▁Am mon ites : ▁Their ▁life ▁and ▁their ▁world . ▁ ▁Cambridge ▁University ▁Press , ▁New ▁York , ▁ 1 9 8 1 . ▁ ▁Trans l ated ▁from ▁German ▁by ▁Jan ine ▁L ett au . ▁ ▁Mon ks , ▁Ne ale ▁and ▁Pal mer , ▁Phil . ▁Am mon ites . ▁Natural ▁History ▁Museum , ▁ 2 0 0 2 . ▁ ▁Walker , ▁Cy ril ▁and ▁Ward , ▁David . ▁F oss ils