araucarioxylon
noun
ar·au·car·i·ox·y·lon
| \ -ˌka(a)rēˈäksəˌlän, -lən\
Definition of araucarioxylon
1
capitalized
: a genus of widely distributed fossil conifers of late Paleozoic to late Mesozoic time having a wood structure resembling that of modern araucarias
2
: any of several fossil woods having a structure like that of modern araucarias
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