Checkliste der Unterordnung Ptychopariina Richter, 1932 für die Region Kanada (Nordamerika)
Familienliste für Kanada 29 Familien mit 206 Arten #ABCDEIKLMNPSTW
| Aldonaiidae Hupé, 1953 | | 1 | Art | Taxom | | Alokistocaridae Resser, 1939 | | 17 | Arten | Taxom | | Asaphiscidae Raymond, 1924 | | 6 | Arten | Taxom | | Atopidae Hupé, 1953 | | 1 | Art | Taxom | | Bolaspididae HOWELL, 1959 | | 1 | Art | Taxom | | Cedariidae Raymond, 1937 | | 2 | Arten | Taxom | | Chengkouiidae ZHU, 1980 | | 1 | Art | Taxom | | Conocoryphidae Angelin, 1854 | | 5 | Arten | Taxom | | Coosellidae Palmer, 1954 | | 3 | Arten | Taxom | | Crepicephalidae Kobayashi, 1935 | | 11 | Arten | Taxom | | Diceratocephalidae Lu, 1954 | | 1 | Art | Taxom | | Ellipsocephalidae Matthew, 1887 | | 7 | Arten | Taxom | | Elviniidae Kobayashi, 1935 | | 11 | Arten | Taxom | | Eulomidae Kobayashi, 1955 | | 2 | Arten | Taxom | | Isocolidae Angelin, 1854 | | 1 | Art | Taxom | | Kingstoniidae Kobayashi, 1933 | | 19 | Arten | Taxom | | Llanoaspididae LOCHMAN, 1944 | | 9 | Arten | Taxom | | Lonchocephalidae Hupé, 1953 | | 10 | Arten | Taxom | | Marjumiidae Kobayashi, 1935 | | 10 | Arten | Taxom | | Menomoniidae Walcott, 1916 | | 6 | Arten | Taxom | | Norwoodiidae Walcott, 1916 | | 10 | Arten | Taxom | | Papyriaspididae Whitehouse, 1939 | | 0 | Arten | Taxom | | Phylacteridae LUDVIGSEN & ..., 1989 | | 2 | Arten | Taxom | | Ptychopariidae Matthew, 1887 | | 41 | Arten | Taxom | | Ptychoparioidae Matthew, 1887 | | 1 | Art | Taxom | | Shumardiidae LAKE, 1907 | | 6 | Arten | Taxom | | Solenopleuridae Angelin, 1854 | | 19 | Arten | Taxom | | Tricrepicephalidae Palmer, 1954 | | 2 | Arten | Taxom | | Wuaniidae WZHANG & YUAN, 1981 | | 1 | Art | Taxom |
Unterknoten von Ptychopariina mit Vorkommen in Kanada
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