First Record of the Belemnite Genus Hibolithes from Late Jurassic–Early Cretaceous Turbidites from Malaysia,Acta Geologica Sinica-English Edition

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First Record of the Belemnite Genus Hibolithes from Late Jurassic–Early Cretaceous Turbidites from Malaysia
Acta Geologica Sinica-English Edition ( IF 3.5 ) Pub Date : 2020-02-05 , DOI: 10.1111/1755-6724.14407
Muhammad MURTAZA _{1,

2} , Abd Rahman ABDUL HADI ₁ , Joerg MUTTERLOSE ₃ , Najiatun NAJLA ₁ , Mazshurraiezal Bin NASIR ₁

Affiliation

Discovery of the remains of belemnites referred to the Hibolithes sp. from the Jurassic–Cretaceous Pedawan Formation in Sarawak, on the island of Borneo (Malaysia) comprises four fragments of belemnite rostra. The specimens are characterized by multiple fractures and vein filling. Two fragments measuring about 130 mm are relatively intact, with only part of the alveolar region missing; a third piece represents the middle part of a rostrum, and the fourth specimen is too fragmentary to be assigned to any specific part of the rostrum. Based on specimen characteristics, a Tithonian–Hauterivian age is plausible. The sedimentary succession that yielded the belemnite material comprises thick shale that reflects the Te division of Bouma sequence. The occurrence of a Hibolithes taxon in the uppermost Jurassic to lowermost Cretaceous Pedawan Formation sediments in Borneo reflects a near to global palaeobiogeographic distribution of this genus.

中文翻译：

来自马来西亚晚侏罗世至早白垩纪浊积岩的贝伦陨石属扁石的首次记录

发现被称为Hibolithes sp。的Belemnites遗骸。来自婆罗洲（马来西亚）沙捞越的侏罗纪-白垩纪的Pedawan组，由四个残云母岩层组成。标本的特点是多处骨折和静脉充盈。两个约130毫米的碎片相对完整，只有部分肺泡区域缺失；第三块代表讲台的中间部分，第四块标本太零碎，无法分配到讲台的任何特定部分。根据标本特征，铁通-高特里夫安年龄是合理的。产生贝伦石材料的沉积层序包括反映Bouma序列Te划分的厚页岩。希伯利石的发生婆罗洲最侏罗纪至最低白垩纪Pedawan组沉积物中的分类单元反映了该属的近古生物地理分布。

更新日期：2020-02-05

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