Tetragonopterinae Gill, 1858

Type genus: Tetragonopterus Cuvier, 1816 .

Included genus: Tetragonopterus .

Definition: The least inclusive crown clade that contains Tetragonopterus argenteus Cuvier, 1816 and Tetragonopterus georgiae (Géry, 1965) . This is a minimum-crown-clade definition. See Figure 4 for a reference phylogeny of Tetragonopterinae .

Etymology: From the ancient Greek τετΡᾰ- (tˈɛtɹə) meaning four, γωνία (ɡˈo͡ʊniə) meaning angle, and πτεΡὀν (tˈɛɹɑːn) meaning