amphiaspidida造句

• An additional species, " Gunaspis orientalis ", is treated as Amphiaspidida " incertae sedis " because it is known only from fragments with distinctive micro-ornamentation.
• As mentioned earlier, Amphiaspidida is treated as either a suborder of Cyathaspidiformes, or as an order in its own right, sometimes referred to as " Amphiaspidiformes . " Regardless of its own status, Amphiaspidida is divided into three superfamilies, Amphiaspidoidei, Hibernaspidoidei, and Siberiaspidoidei.
• As mentioned earlier, Amphiaspidida is treated as either a suborder of Cyathaspidiformes, or as an order in its own right, sometimes referred to as " Amphiaspidiformes . " Regardless of its own status, Amphiaspidida is divided into three superfamilies, Amphiaspidoidei, Hibernaspidoidei, and Siberiaspidoidei.
• The suborder Amphiaspidida, traditionally thought of as the daughter or sister-taxon of Ctenaspididae / Ctenaspidae, was excluded from this particular survey, as, while the authors did not directly challenge this idea, they excluded Amphiaspidida from the survey, noting that that group was " extremely derived and virtually impossible " to be of any use to this survey.
• The suborder Amphiaspidida, traditionally thought of as the daughter or sister-taxon of Ctenaspididae / Ctenaspidae, was excluded from this particular survey, as, while the authors did not directly challenge this idea, they excluded Amphiaspidida from the survey, noting that that group was " extremely derived and virtually impossible " to be of any use to this survey.
• If Amphiaspidida can be ignored as a daughter-taxon, the family Ctenaspidae contains " Ctenaspis " and its various sister-taxa originally contained within both Ctenaspididae and Ctenaspididae, including " Allocryptaspis ", " Alainaspis ", " Zaphoctenaspis ", " Arctictenaspis ", and " Boothiaspis ", which was first described as a " Canadian amphiaspid ."