acitheca造句

Mazon Creek flora includes : lycopsids, related to modern club moss, with arborescent forms named " Lepidophloios ", " Sigillaria " and " Lepidodendron ", and herbaceous forms called " Lycopodites " and " Cormophyton "; sphenopsids like " Calamites " a tree-like horsetail relative, with common foliage names of " Annularia " and " Asterophyllites ", and a vine-like form called " Sphenophyllum "; Pteridophyta as marattitalean tree ferns and Filicales and Zygopteridales understory ferns, with common foliage names of " Pecopteris ", " Acitheca " and " Lobatopteris "; pteridosperms, also known as seed ferns, an extinct group of plants that grew both as trees and smaller shrubs, with features like pinnated leaves similar to true ferns, but reproduced by seeds instead of spores; they had common foliage names " Mariopteris ", " Alethopteris ", " Odontopteris ", " Neuropteris ", " Laveineopteris " and " Macroneuropteris "; extinct gymnosperm " Cordaites ", believed to be closely related to and sharing many features with modern conifers.
It's difficult to find acitheca in a sentence. 用acitheca造句挺难的