anglaspis造句

• "Anglaspis " was, at various times, placed in the families Cyathaspididae, Poraspididae, and in its own family, Anglaspididae.
• Currently, it is placed in Ariaspidae with " Ariaspis ", and " Listraspis ", and is considered to be closely related to the similar-looking " Liliaspis ", which is also from Early Devonian Ural marine strata . " Anglaspis " is considered the ancestor or sister-taxon of both " Liliaspis " and " P . egregia ".