Cretaceous Research
Papers 3193
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#1Qingqing Zhang (CAS: Chinese Academy of Sciences)H-Index: 8
#2Junfeng Zhang (CAS: Chinese Academy of Sciences)H-Index: 8
Last. Bo Wang (CAS: Chinese Academy of Sciences)H-Index: 37
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Abstract Two new genera and species referred to the extinct family Rhagionemestriidae are illustrated and described as Burminemestrinus qiyani gen. et sp. nov. and Viriosinemestrius mai gen. et sp. nov. from “mid-Cretaceous” Burmese amber. Another new genus, Cretinemestrimus gen. nov., is proposed for the Jurassinemestrinus euremus ( Grimaldi, 2016 ) (originally Jurassinemestrinus eurema, or Jurassinemestrinus eurekus) from the same locality. Based on the new records of Rhagionemestriidae, we em...
#1James McPhee (University of Portsmouth)
#2Nizar Ibrahim (University of Portsmouth)
Last. David M. Martill (University of Portsmouth)H-Index: 32
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Abstract A new genus and species of edentulous pterodactyloid pterosaur with a distinctive partial rostrum from the mid-Cretaceous (?Albian/Cenomanian) Kem Kem beds of southeast Morocco is described. The taxon is assigned to Chaoyangopteridae based upon its edentulous jaws, elongate rostrum and slightly concave dorsal outline. The rostral cross-section is rounded dorsally and concave on the occlusal surface. The lateral margins are gently convex dorsally becoming slightly wider toward the occlus...
Abstract The new genus Vanneauina belonging to the family Orbitolinidae is described herein from Lower Cretaceous shallow-water carbonates of southeastern France. Its type-species, here referred to as Vanneauina vercorii ( Arnaud-Vanneau, 1980 ) comb. nov., has been described originally as belonging with some reservations to Dictyoconus Blanckenhorn. Vanneauina gen. nov. differs from Dicytoconus above all by its simple exoskeleton (lacking rafters), triangular-shaped primary beams, pillars later...
Abstract A bed-by-bed biostratigraphical study of two key Californian outcrop sections of the Jurassic–Cretaceous transition interval is presented. The studied succession is characterized by the occurrence of abundant buchiid bivalves and a discontinuous ammonite record. Several Lower Cretaceous ammonite zones were introduced in the literature, but the precise stratigraphic position of key ammonite records remains unclear. Consequently, the buchiid zonation established in the 1970s is still cons...
#1Oscar Florencio Gallego (CONICET: National Scientific and Technical Research Council)H-Index: 14
#2Mateo D. Monferran (CONICET: National Scientific and Technical Research Council)H-Index: 3
Last. Huanyu Liao (CAS: Chinese Academy of Sciences)H-Index: 4
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Abstract New invertebrate records from the Lower Cretaceous Las Hoyas site (La Huerguina Formation, Iberian Range, Spain) are here described, among them, the first record of clam shrimps from this unit. This fauna includes a new afrograptid, Lahuerguinagrapta multicostata gen. et sp. nov., the eosestherioid-polygraptid Skyestheria sp., and the anthronestheriid Pseudestherites sp. This fauna is characterized by large individuals with wide growth bands, suggesting favorable paleoenvironmental cond...
#2Ismail Omer YilmazH-Index: 10
Last. Kemal TasliH-Index: 14
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Abstract Recent studies have shown that Cenomanian–Santonian carbonate sedimentary rocks rich in rudists are widespread throughout southeastern Turkey. The Derdere and Karababa formations have been analysed in the Sabunsuyu section (Kilis Province). On a field scale, we can distinguish rudist–rich beds that rhythmically alternate with bioclastic levels composed of bivalves, gastropods and roveacrinids in these formations. Although pelagic faunal elements (predominantly planktic foraminifera and ...
#1Yuri Modesto Alves (UERJ: Rio de Janeiro State University)H-Index: 3
#2Jesús Alvarado-Ortega (UNAM: National Autonomous University of Mexico)H-Index: 11
Last. Paulo M. Brito (UERJ: Rio de Janeiro State University)H-Index: 13
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Abstract This paper describes a new species of the order Elopiformes, which also represents the oldest record of this group in North America. The research is based on two well-preserved and acid-prepared specimens recovered from the Albian marine limestone deposits of the Tlayua Formation, near Tepexi Rodriguez, Puebla, central Mexico. †Epaelops martinezi gen. and sp. nov. shows two autapomorphic characteristics that differentiate it from other fossil and extant elopiforms: the presence of a tri...
#1Corentin Jouault (CNRS: Centre national de la recherche scientifique)
#2André Nel (University of Paris)H-Index: 88
Last. Vincent Perrichot (CNRS: Centre national de la recherche scientifique)H-Index: 21
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Abstract The Cenomanian amber from Kachin State of Myanmar contains a diversified fauna of fossil evanioid wasps. Two new genera are described and figured, as Rasnitsevania ferox gen. et sp. nov. in the family Praeaulacidae, and Electrofoenia jehani gen. et sp. nov. in Aulacidae. Characteristic features of Rasnitsevania gen. nov. include a large mesosoma, a two-segmented metasomal petiole with first segment long, trapezoidal, and the fore wing venation with a long cell 1-mcu and a cell 2rm short...
#1J. H. ChenH-Index: 34
#2Haichun ZhangH-Index: 20
Last. Xiaoli WangH-Index: 24
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Abstract The family Minlagerrontidae, with some extremely unusual or even grotesque morphological characteristics, is a bizarre true hopper lineage recently documented in mid-Cretacoues Kachin amber. Eurypterogerron kachinensis gen. et sp. nov., as the third genus and fifth species of Minlagerrontidae, is herein described and illustrated from Kachin amber. Except for the highly specialized morphological traits shared with other minlagerrontids, the new genus and species shows some remarkable teg...
#1Sven SachsH-Index: 9
#2Daniel Madzia (PAN: Polish Academy of Sciences)H-Index: 5
Last. Benjamin P. Kear (Uppsala University)H-Index: 24
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Abstract The Turonian (93.9–89.8 Ma) was a key transitional interval of plesiosaur evolution, during which pliosaurid apex predators (dominant since the Middle Jurassic) rapidly declined, and polycotylids correspondingly radiated as middle trophic-level pursuit hunters. Paradoxically, however, the fossil record of Turonian plesiosaurs is globally sparse, especially in continental Europe where only a handful of fragmentary specimens have been recovered from localities in the Czech Republic, Germa...
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