Latest Albian echinoids from Pénzesgyőr (Bakony Mountains, Transdanubian Range) including the first record of Trochotiara bourgueti (Agassiz, 1840) from Hungary

IF 1.9 3区地球科学 Q1 GEOLOGY

Cretaceous Research Pub Date : 2025-02-13 DOI:10.1016/j.cretres.2025.106100

László Bujtor , Marouf A.M. Abdelhamid , Gamal M.E. El Qot , Gabriella Földvári

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引用次数: 0

Abstract

Glauconitic, condensed beds of uppermost Albian (Arrhaphoceras (Praeschloenbachia) briacense/Pervinquieria perinflata zones) at Tilos forest, Pénzesgyőr, Transdanubian Range, AlCaPa (=Alpine-Carpathian-Pannonian) tectonic unit in Hungary have yielded a rich fossil assemblage. It comprises mostly fragmentary ammonites, well-preserved echinoids, less abundant bivalves, gastropods, belemnites, and rare brachiopods and nautiloids. Amongst echinoids, five species have been distinguished (Camerogalerus conica, Catopygus neocylindricus, Holaster laevis, Hemiaster minimus, and Trochotiara bourgueti). The assemblage is dominated by Camerogalerus conicus and Catopygus neocylindricus. Trochotiara bourgueti is recorded for the first time from Hungary extending its stratigraphical range to the uppermost Albian. Hemiaster minimus is documented for the first time from Hungary. The palaeobiogeography, taphonomy and microfacies have been discussed. Palaeobiogeographical analysis of the reported echinoid species and some selected ammonite genera revealed similar distribution patterns for the Bakony Mountains indicating a transitional area and mixing zone for the northern and southern Tethyan taxa.

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Pénzesgyőr （Bakony Mountains, Transdanubian Range）最新的阿尔巴尼亚棘足类，包括匈牙利的Trochotiara bourgueti （Agassiz, 1840）的首次记录

匈牙利阿尔卑斯-喀尔巴阡-潘诺尼亚构造单元AlCaPa（阿尔卑斯-喀尔巴阡-潘诺尼亚）上部Albian （Arrhaphoceras (Praeschloenbachia) briacense/Pervinquieria perinflata带）的Tilos森林（Pénzesgyőr）的海绿石凝聚层产生了丰富的化石组合。主要由破碎的菊石类、保存完好的棘皮类、数量较少的双壳类、腹足类、蛭石类和稀有的腕足类和鹦鹉螺类组成。在棘类动物中，已区分出5种（camogalerus conica, Catopygus neocylindricus, Holaster laevis， Hemiaster minimus和Trochotiara bourgueti）。该组合以camogalerus conicus和Catopygus necylindricus为主。在匈牙利首次记录到布尔盖蒂岩（Trochotiara bourgueti），将其地层范围扩大到阿尔比安最上层。匈牙利首次记录了最小半小时。对古生物地理、地层学和微相进行了讨论。对已报道的针鼹类和部分菊石属的古生物地理分析表明，巴肯尼山脉的分布格局相似，表明特提斯北部和南部类群处于过渡区和混合区。

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来源期刊

Cretaceous Research 地学-地质学

CiteScore

4.10

自引率

19.00%

发文量

235

审稿时长

12 weeks

期刊介绍： Cretaceous Research provides a forum for the rapid publication of research on all aspects of the Cretaceous Period, including its boundaries with the Jurassic and Palaeogene. Authoritative papers reporting detailed investigations of Cretaceous stratigraphy and palaeontology, studies of regional geology, and reviews of recently published books are complemented by short communications of significant new findings. Papers submitted to Cretaceous Research should place the research in a broad context, with emphasis placed towards our better understanding of the Cretaceous, that are therefore of interest to the diverse, international readership of the journal. Full length papers that focus solely on a local theme or area will not be accepted for publication; authors of short communications are encouraged to discuss how their findings are of relevance to the Cretaceous on a broad scale. Research Areas include: • Regional geology • Stratigraphy and palaeontology • Palaeobiology • Palaeobiogeography • Palaeoceanography • Palaeoclimatology • Evolutionary Palaeoecology • Geochronology • Global events.