ˌkōəˈnikthēˌēz noun plural
Usage: capitalized
Etymology: New Latin, from choan- + Greek ichthyes, plural of ichthys fish — more at ichthus
: a subclass of Teleostomi comprising fishes with internal nares that were dominant life-forms in the Devonian but are now nearly extinct and including the Crossopterygii and the aberrant Dipnoi — compare latimeria
• cho·a·nich·thys -thə̇s noun plural choa.nichthys