<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">Dipnoi</topic></authority><related type="broader"><topic>Sarcopterygii</topic></related><variant type="other"><topic>Dipneusti</topic></variant><variant type="other"><topic>dipnoans</topic></variant><variant type="other"><topic>dipnoids</topic></variant><variant type="other"><topic>lung fish</topic></variant><variant type="other"><topic>lung-fish</topic></variant><variant type="other"><topic>lung-fishes</topic></variant><variant type="other"><topic>lungfish</topic></variant><variant type="other"><topic>lungfishes</topic></variant> <note xml:lang="en"><![CDATA[ Members of an order containing six living species of fish having lungs as well as gills, retaining primitive characteristics such as the ability to breathe air, the presence of lobed fins, and a well-developed internal skeleton. Designated as a subclass rather than an order in some classifications. ]]></note></mads>