1. True leeches of the infraclass Euhirudinea have both anterior and posterior suckers. 2. This infraclass mostly consisted of marine limpets and operculate snails. 3. Around the same time as Shuotheriidae, the infraclass Australosphenida first appeared. 4. *Class Prototheria, Infraclass Ornithodelphia, Order Monotremata. 5. For instance, among the additional ranks of class are superclass, subclass and infraclass . 6. "' Facetotecta "'is a poorly known infraclass of thecostracan crustaceans. 7. These two orders belong to the paraphyletic infraclass Palaeoptera however, which is not included in Neoptera. 8. This mechanism evolved once, and is the defining feature ( synapomorphy ) for the infraclass Neoptera. 9. Ascothoracida was previously order within the infraclass Cirripedia ( barnacles ), but now considered a separate infraclass. 10. Ascothoracida was previously order within the infraclass Cirripedia ( barnacles ), but now considered a separate infraclass .
Mobile