Cretaceous Research
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Published on Jul 1, 2019in Cretaceous Research 1.93
Attila Ősi15
Estimated H-index: 15
,
Márton Szabó3
Estimated H-index: 3
+ 5 AuthorsHerbert Summesberger4
Estimated H-index: 4
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Published on May 1, 2019in Cretaceous Research 1.93
Martín A. Carrizo3
Estimated H-index: 3
(National Scientific and Technical Research Council),
Maiten A. Lafuente Diaz1
Estimated H-index: 1
(National Scientific and Technical Research Council),
Georgina M. Del Fueyo9
Estimated H-index: 9
(National Scientific and Technical Research Council)
Abstract The genus Ptilophyllum Morris is one of the most common bennettitalean leaf genera found in the Cretaceous megafloras from Western Gondwana, particularly Patagonia and Antarctica. Among several specimens, the similarity in the morphology of their leaves make them hard to distinguish from each other, which usually leads to misinterpretations. Therefore, the study of the epidermal features in this taxon is essential, especially because the occurrence of papillae, its size, forms, and dist...
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Published on Jan 1, 2019in Cretaceous Research 1.93
Bernardo J. González Riga13
Estimated H-index: 13
(Facultad de Ciencias Exactas y Naturales),
María Belén Tomaselli1
Estimated H-index: 1
(Facultad de Ciencias Exactas y Naturales)
Abstract The discovery of new Titanopodus trackways (Loncoche Formation, Argentina) shed light on the locomotion of titanosaur sauropods. Two patterns related with different size of trackmakers are identified based on ichnological and anatomical evidences. AC-1 and AC-4 trackways (pattern 1) are characterized by alternated manus and pes tracks. This is congruent with an asynchronous gait produced by large individuals that walked at 4.7–4.8 km/h. AC-3 trackway (pattern 2) shows some elongated and...
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Published on Jan 1, 2019in Cretaceous Research 1.93
Lida Xing18
Estimated H-index: 18
(China University of Geosciences),
Andrew J. Ross14
Estimated H-index: 14
(National Museum of Scotland)
+ 2 AuthorsRyan C. McKellar5
Estimated H-index: 5
(University of Regina)
Abstract Gastropods are generally rare in amber. In this paper we describe an example of exceptional soft-bodied preservation in a fossil terrestrial mollusk-a snail shell with some tissue, including part of the cephalic region (head) with a tentacle and inferred eye stalk, and potentially part of the foot and operculum. The snail, a probable juvenile, is preserved in Burmese amber (Burmite) from Myanmar, of earliest Cenomanian age. Morphological evidence suggests a cyclophoroidean ancestry and ...
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Published on Jan 1, 2019in Cretaceous Research 1.93
Daran Zheng10
Estimated H-index: 10
(Chinese Academy of Sciences),
André Nel14
Estimated H-index: 14
(University of Paris),
Ed Jarzembowski2
Estimated H-index: 2
(Chinese Academy of Sciences)
Abstract Steleopteron cretacicus sp. nov., first Cretaceous and most recent representative of the small Mesozoic family Steleopteridae, is described from the Wealden of the UK. This discovery shows that this Jurassic family survived into the Cretaceous. It probably became extinct during or after the great entomofaunal changes of the Albian – Cenomanian event.
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Published on May 1, 2019in Cretaceous Research 1.93
Yuta Tsukiji1
Estimated H-index: 1
(Hiroshima University),
Yoichi Azuma1
Estimated H-index: 1
(Fukui Prefectural University)
+ 1 AuthorsMasateru Shibata7
Estimated H-index: 7
(Fukui Prefectural University)
Abstract Theropod footprints occupy more than 50% of dinosaur footprints from the Lower Cretaceous Kitadani Formation of the Kitadani Dinosaur Quarry in Fukui, central Japan. However, ichnotaxonomical description of these footprints has never been carried out. In this study, five different ichnotypes, which are the ichnofamilies Grallatoridae, Eubrontidae, and Ornithomimipodidae, and the ichnogenera Asianopodus , and Minisauripus , are described. Among them, morphological variation between the i...
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Published on Mar 1, 2019in Cretaceous Research 1.93
Xiudan Wang1
Estimated H-index: 1
(Northwest A&F University),
Christopher H. Dietrich18
Estimated H-index: 18
(Illinois Natural History Survey),
Yalin Zhang9
Estimated H-index: 9
(Northwest A&F University)
Abstract A new fossil genus and species, Cretacoelidia viraktamathi Wang, Dietrich & Zhang gen. et sp. nov., of the family Cicadellidae from mid-Cretaceous Myanmar amber is described and illustrated. The extinct fossil genus resembles the type-genus of subfamily Coelidiinae, Coelidia Germar, 1821, in having an obtusely angled head and crown elevated above the eyes, but differs in having the lateral margin of the crown divergent distally, its subapical part depressed and the anterior margin of th...
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Published on Jan 1, 2019in Cretaceous Research 1.93
Manuel Amadori1
Estimated H-index: 1
,
Jacopo Amalfitano2
Estimated H-index: 2
(University of Padua)
+ 4 AuthorsJürgen Kriwet7
Estimated H-index: 7
(University of Vienna)
Abstract Dental remains of the elasmobranch Ptychodus from the Upper Cretaceous of northeastern Italy are described herein. This material, consisting of two slabs containing a partially associated tooth set and additional detached teeth with similar morphological features, derives from different lithozones of the Scaglia Rossa Formation, known as the ʻlastameʼ and ʻPietra di Castellavazzoʼ. All of these teeth are characterized by an unusual high and narrow cusp. The tooth set exhibits elements w...
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Published on Mar 1, 2019in Cretaceous Research 1.93
Jorge D. Carrillo-Briceño9
Estimated H-index: 9
(University of Zurich),
Juan D. Parra , Javier Luque8
Estimated H-index: 8
(Yale University)
Abstract The Lower Cretaceous record of lamniforms from South America is scarce and poorly known, containing only two reports of isolated teeth from the upper Hauterivian of Argentina and the Albian of Peru. Here, we describe a partial articulated tooth set referable to † Protolamna ricaurtei sp. nov. from the upper Barremian–lower Aptian deposits of the Paja Formation (Andes of Colombia). The new species corresponds to one of the oldest fossil lamniforms to date reported from South America. Thi...
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Published on Apr 1, 2019in Cretaceous Research 1.93
Albert Prieto-Márquez1
Estimated H-index: 1
(Autonomous University of Barcelona),
Víctor Fondevilla8
Estimated H-index: 8
(Autonomous University of Barcelona)
+ 2 AuthorsÀngel Galobart18
Estimated H-index: 18
(Autonomous University of Barcelona)
Abstract The South Pyrenean Foredeep Basin in northeastern Spain preserves one of the best-documented paleontological records of European terrestrial vertebrates for the last few million years of the Mesozoic Era. We describe Adynomosaurus arcanus gen. et sp. nov., a lambeosaurine hadrosaurid from strata nearly four million years older than the other recognized lambeosaurine in the basin, Pararhabdodon isonensis . This species is the second hadrosaurid recovered from the South Pyrenean Foredeep ...
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