Je was op zoek naar: protoceratopsidae (Duits - Engels)

auch ist nicht restlos geklärt, ob die protoceratopsidae oder die leptoceratopsidae näher mit den ceratopsidae verwandt sind.
the ceratopsoidea includes animals like "zuniceratops", which are more closely related to the family ceratopsidae.

== innere systematik ==die protoceratopsidae wurden 1923 von walter granger und william king gregory geprägt, zunächst als monotypische familie für "protoceratops".
the taxon protoceratopsidae was introduced by walter w. granger and william king gregory in may 1923 as a monotypic family for "protoceratops andrewsi".

ceratopsia* "yinlong"* chaoyangsauridae (eventuell in neoceratopsia)** "chaoyangsaurus"** "xuanhuaceratops"* psittacosauridae** "psittacosaurus"** "hongshanosaurus" (stellung unsicher)* neoceratopsia** "aquilops"** "archaeoceratops"** "auroraceratops"** "liaoceratops"** "yamaceratops"** "cerasinops"** coronosauria*** protoceratopsidae**** "bagaceratops"**** "bainoceratops" (stellung unsicher)**** "breviceratops" (stellung unsicher)**** "graciliceratops"**** "lamaceratops" (stellung unsicher)**** "magnirostris" (stellung unsicher)**** "platyceratops" (stellung unsicher)**** "protoceratops"**** "udanoceratops"*** leptoceratopsidae**** "leptoceratops"**** "montanoceratops"**** "prenoceratops"*** "zuniceratops"*** ceratopsidae**** centrosaurinae***** "achelousaurus"***** "albertaceratops"***** "avaceratops"***** "brachyceratops" (stellung unsicher)***** "centrosaurus"***** "diabloceratops"***** "einiosaurus"***** "monoclonius" (stellung unsicher)***** "pachyrhinosaurus"***** "rubeosaurus"***** "sinoceratops"***** "styracosaurus"**** chasmosaurinae***** "agujaceratops"***** "anchiceratops"***** "arrhinoceratops"***** "chasmosaurus"***** "coahuilaceratops"***** "eotriceratops"***** "kosmoceratops"***** "medusaceratops"***** "mojoceratops"***** "nedoceratops"***** "ojoceratops"***** "pentaceratops"***** "tatankaceratops"***** "titanoceratops"***** "torosaurus"***** "triceratops"***** "utahceratops"***** "vagaceratops"** nomina dubia und ceratopsia incertae sedis*** "agathaumas"*** "asiaceratops"*** "ceratops"*** "dysganus"*** "kulceratops"*** "microceratus"*** "notoceratops"*** "polyonax"*** "serendipaceratops"*** "turanoceratops"*** "ugrosaurus"ein vereinfachtes kladogramm der ceratopsia sieht folgendermaßen aus:umstritten ist die stellung der chaoyangsauridae ("chaoyangsaurus" und "xuanhuaceratops"), die entweder die schwestergruppe der neoceratopsia oder deren basalste vertreter sind.
* ceratopsia**"albalophosaurus" - (japan)** "micropachycephalosaurus" - (shandong, eastern china)** "stenopelix" - (germany)** "yinlong" - (xinjiang, western china)** family chaoyangsauridae*** "chaoyangsaurus" - (liaoning, northeastern china)*** "xuanhuaceratops" - (hebei, china)** family psittacosauridae*** "hongshanosaurus" - (liaoning, northeastern china)*** "psittacosaurus" - (china & mongolia)**neoceratopsia*** "archaeoceratops" - (gansu, northwestern china)*** "auroraceratops" - (gansu, northwestern china)*** "helioceratops" - (jilin, northwestern china)*** "koreaceratops" - (south korea)*** "kulceratops" - (uzbekistan)*** "liaoceratops" - (liaoning, northeastern china)*** "microceratus" - (mongolia)*** "yamaceratops" - (mongolia)*** family leptoceratopsidae**** "asiaceratops" - (china, mongolia, uzbekistan)**** "cerasinops" - (montana, us)**** "gryphoceratops" - (alberta, canada)**** "leptoceratops" - (alberta, canada & wyoming, us)**** "montanoceratops" - (montana, us)**** "prenoceratops" - (montana, us)**** "udanoceratops" - (mongolia)**** "unescoceratops" - (alberta, canada)**** "zhuchengceratops" - (zhucheng, china)*** family bagaceratopidae**** "ajkaceratops" - (hungary)**** "bagaceratops" - (mongolia)**** "bainoceratops" - (mongolia)**** "gobiceratops" - (mongolia)**** "lamaceratops" - (mongolia)**** "magnirostris" - (inner mongolia, china)*** family protoceratopsidae**** "graciliceratops" - (mongolia)**** "protoceratops" - (mongolia)*** superfamily ceratopsoidea**** "turanoceratops" - (kazakhstan)**** "zuniceratops" - (new mexico, us)**** family ceratopsidaepossible ceratopsians from the southern hemisphere include the australian "serendipaceratops", known from an ulna, and "notoceratops" from argentina is known from a single toothless jaw (which has been lost).