The Nematoceran infraorder Ptychopteromorpha includes two uncommon families. In older classifications, the group is included within the infraorder Tipulomorpha, but it does not appear to be closely related at all, having only superficial similarities (e.g., slender bodies and long legs). Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. ... “Animalia” redirects here. ... Subphyla and Classes Subphylum Trilobitomorpha Trilobita - trilobites (extinct) Subphylum Chelicerata Arachnida - spiders,scorpions, etc. ... This article needs additional references or sources for verification. ... Suborders Nematocera (includes Eudiptera) Brachycera Diptera (di - two, ptera - wings), or true flies, is the order of insects possessing only a single pair of wings on the mesothorax; the metathorax bears a pair of drumstick like structures called the halteres, the remnants of the hind wings. ... Infraorders Axymyiomorpha Culicomorpha Blephariceromorpha Bibionomorpha Psychodomorpha Ptychopteromorpha Tipulomorpha Nematocera are generally primitive flies, typically recognized by filamentous, multi-segmented antennae which may be plumose in some males. ... Infraorders Axymyiomorpha Culicomorpha Blephariceromorpha Bibionomorpha Psychodomorpha Ptychopteromorpha Tipulomorpha Nematocera are generally primitive flies, typically recognized by filamentous, multi-segmented antennae which may be plumose in some males. ... Superfamilies   Superfamily Eopolyneuridea extinct    Eopolyneuridae - (Upper Triassic)    Musidoromimidae - (Upper Triassic)   Superfamily Tipulodictyidea extinct    Tipulodictyidae - (Upper Triassic)   Superfamily Tanyderophryneidea extinct    Tanyderophryneidae - (Middle Jurassic)   Superfamily Tipuloidea    Architipulidae extinct (Upper Triassic)    ...(Pan Jurassic)    Eolimnobiidae extinct (Lower Jurassic)    Trichoceridae    Cylindrotomidae    Limoniidae    Tipulidae - Crane flies    Tanyderidae    Ptychopteridae   Superfamily Eoptychopteridea extinct    Eoptychopteridae - (Lower Jurassic)   Superfamily Psychodidea...

External link

• The Tree of Life Project