Dipnoi

noun

bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes classified as an order of Crossopterygii

• Syn: ↑subclass Dipnoi

• Hypernyms: ↑class

• Member Holonyms: ↑Osteichthyes, ↑class Osteichthyes

• Member Meronyms: ↑lungfish, ↑Ceratodontidae, ↑family Ceratodontidae

* * *

\\ˈdipˌnȯi, -pnəˌwī\ noun plural

Usage: capitalized

Etymology: New Latin, from masculine plural of dipnous having two apertures for breathing

: an order or other division of Choanichthyes including a number of fossil fishes known from the Devonian and later formations and three surviving genera, Neoceratodus, Protopterus, and Lepidosiren, comprising aberrant fishes that have overlapping cycloid scales and dermal fin rays, a largely cartilaginous skeleton with a persistent notochord, an autostylic skull, paired fins of the archipterygial type, gills covered by an operculum, and in addition a lung or pair of lungs communicating with the ventral side of the esophagus by a short tube

* * *

Dipnoi /dipˈnō-ī/

plural noun

An order of fishes, the lungfishes

ORIGIN: Gr di- double, and pnoē breath

• • •

dipˈnōan adjective and noun

dipˈnōous adjective

Having both lungs and gills