雙殼類,蚌類
Jurassic marine bivalve is very rich, non-marine bivalves also developed rapidly, and their continental formation on the division and correlation played an important role. 侏羅紀(jì)的海相雙殼類很豐富,非海相雙殼類也迅速發(fā)展起來,它們?cè)陉懴嗟貙拥膭澐峙c對(duì)比上起了重要作用。