cordaitaceae

English Thesaurus

1. chiefly Paleozoic plants; Cordaites is the chief and typical genus (noun.plant)

hypernym	:	gymnosperm family,
definition	:	a family of gymnosperms (noun.plant)

member holonym	:	cordaites, genus cordaites,
definition	:	tall Paleozoic trees superficially resembling modern screw pines; structurally intermediate in some ways between cycads and conifers (noun.plant)

member meronym	:	cordaitales, order cordaitales,
definition	:	extinct plants having tall arborescent trunks comparable to or more advanced than cycads; known from the Pennsylvanian period; probably extinct since the Mesozoic era (noun.plant)