大型底栖无脊椎动物
Benthic macroinvertebrate
benthic macroinvertebrates
macroinvertebrate
benthic macro-invertebrate
macroinvertebrates
古生物地理区
PALAEOBIOGEOGRAPHY
palaeobiogeographic province
paleobiogeographic province
古生物地理
Biogeographic significance
Paleogeography
paleobiogeography
PALAEOBIOGEOGRAPHY
古生物的
palaeontologic =palaeontological