leg site hole core section top interval depth(cm) bottom interval depth (cm) coredepth(m) sample depth(m) total number of observed fossils investigators name publication date (month/year) dsdp initial report volume number fossil group group abundance chemical overgrowth chemical dissolution mechanical preservations age page number reference fossil code fossil fossil abundance fossil preservation record join code 21 207 A 20 2 35.0 36.0 223.00 224.86 1 BUKRY,D. 10/1973 21 SILICOFLAGELLATES NO AGE GIVEN 892 SNAVI0060 Naviculopsis constricta PRESENT 1