Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Hanyar wucewa: Holotype ba lallai ba ne "na al'ada" na wannan haraji, kodayake ya kamata ya zama. Wani lokaci kawai wani ɓangaren kwayar halitta shine holotype, musamman ma a yanayin burbushin halittu. Alal misali, holotype na Pelorosaurus humerocristatus (Duriatitan), babban dinosaur mai cin ganyayyaki daga farkon zamanin Jurassic, shine kashin kafa na burbushin da aka adana a Gidan Tarihi na Tarihi a London. Ko da an sami samfurin da ya fi kyau daga baya, ba a maye gurbin holotype.  Tambaya: Daga wane lokaci ne dinosaur Pelosaurus humerocristatus?
farkon lokacin Jurassic