ˌ ̷ ̷ ̷ ̷ˌ ̷ ̷_rēˈästrəbəs noun
Usage: capitalized
Etymology: New Latin, from Sigillaria + -o- + Greek strobos, strombos top, ball; akin to Greek strephein to turn — more at strophe
: a form genus based on lepidodendrid cones believed to belong to plants of the genus Sigillaria