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''Yacarerani'' (meaning "first Yacare" in Guaraní) is an extinct genus of Late Cretaceous notosuchian crocodylomorph. Fossils have been found in 2002 from central Bolivia in Amboró National Park and are Turonian-Santonian in age. The genus was recently described in 2009 in the ''Journal of Vertebrate Paleontology''. The material represents two individuals and was found in association with eggs that are thought to have been part of a nest. ''Yacarerani'' was a small crocodylomorph at around in length. It may have lived in small groups, creating burrows to lay eggs in.〔Telam (December 21, 2009). (Un paleontólogo argentino halló en Bolivia un cocodrilo de la era de los dinosaurios ). Telam.〕 The dentition of ''Yacarerani'', like many other notosuchians, is heterodont, with different tooth morphologies in different parts of the jaws. Two teeth in the lower jaw project forward from the tip, resembling the incisors of a rabbit. Other teeth, situated posteriorly, are cusped and adapted for grinding or chopping food such as tubers or small arthropods.〔 In the lower jaw, the dentary tooth rows merge posterior to the anterior dentary teeth. The same is true for the upper tooth rows, which merge on the palate. ''Yacarerani'' presents similar teeth morphology to Adamantinasuchus navae, a crocodylomorph from Adamantina Formation, Bauru Group, Brazil. Below is a cladogram from Novas ''et al.'' (2009) showing the phylogenetic position of ''Yacarerani'':〔 |3= }} }} }} }} ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Yacarerani」の詳細全文を読む スポンサード リンク
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