Chironomid midges from early Eocene amber of France (Diptera: Chironomidae) Author Published, First text Zootaxa 2007 2007-02-05 1404 1 66 journal article 1175­5334 Genus Chasmatonotoides n. gen. Type species: Chasmatonotoides longiantennata n. sp. Other species: Chasmatonotoides deharvengi n. sp. Etymology: The name of this genus refers to the similarities with the extant genus Chasmatonotus . Diagnosis: Male antenna with 13 distinctly hairy flagellomeres; eye with dorsomedial extension; mid and hind legs without pseudospur on tarsomere 1; squama bare; wing membrane bare; scutum with median longitudinal groove; gonostylus simple; anal point narrow and elongate.