2019 in reptile paleontology: Difference between revisions

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* A new assemblage of lizard tracks, representing the largest such assemblage yet reported from the [[Cretaceous]], is described from the [[Lower Cretaceous]] [[Jinju Formation]] ([[South Korea]]) by Kim ''et al.'' (2019), who name a new [[ichnotaxon]] ''[[Neosauroides]] innovatus''.<ref>{{Cite journal|author1=Kyung Soo Kim |author2=Jong Deock Lim |author3=Martin G. Lockley |author4=Dong Hee Kim |author5=Laura Piñuela |author6=Jae Sang Yoo |year=2019 |title=Largest Cretaceous lizard track assemblage, new morphotypes and longest trackways comprise diverse components of an exceptional Korean Konservat-Lagerstätten ichnofauna |journal=Scientific Reports |volume=9 |pages=Article number 13278 |doi=10.1038/s41598-019-49442-0 |pmid=31527673 |pmc=6746761 }}</ref>
* New specimen of ''[[Yabeinosaurus]] robustus'', preserving traces of integument and abdominal contents, is described by Xing ''et al.'' (2019).<ref>{{Cite journal|author1=Lida Xing |author2=Kechung Niu |author3=Rod S. Taylor |author4=Susan E. Evans |year=2019 |title=Integumentary remains and abdominal contents in the Early Cretaceous Chinese lizard, ''Yabeinosaurus'' (Squamata), demonstrate colour banding and a diet including crayfish |journal=Cretaceous Research |volume=108 |pages=Article 104320 |doi=10.1016/j.cretres.2019.104320 }}</ref>
* Jaw elements of [[skink]]s with an anatomy identical to ''[[Heremites]] vittatus'' are described from the late [[Miocene]] locality Solnechnodolsk ([[Russia]]) by Čerňanský & Syromyatnikova (2019), representing first [[Neogene]] record of the clade [[Mabuyidae]] reported so far.<ref>{{Cite journal|author1=Andrej Čerňanský |author2=Elena V. Syromyatnikova |year=2019 |title=The first pre‐Quaternary fossil record of the clade Mabuyidae with a comment on the enclosure of the Meckelian canal in skinks |journal=Papers in Palaeontology |volume=in press |issue= |pages= |doi=10.1002/spp2.1279 }}</ref>
* A juvenile specimen of ''[[Eolacerta]] robusta'' is described from the [[Eocene]] [[Messel pit]] ([[Germany]]) by Čerňanský & Smith (2019).<ref>{{cite journal |author1=Andrej Čerňanský |author2=Krister T. Smith |year=2019 |title=The first juvenile specimen of ''Eolacerta'' (Squamata: Eolacertidae) from the early–middle Eocene of the Messel Pit (Germany) |journal=Comptes Rendus Palevol |volume=18 |issue=7 |pages=735–745 |doi=10.1016/j.crpv.2019.04.004 }}</ref>
* Description of late [[Miocene]] [[Lacertidae|lacertid]] fossils from the Solnechnodolsk locality ([[Russia]]), belonging to a relative of extant [[Balkan green lizard]], is published by Čerňanský & Syromyatnikova (2019).<ref>{{Cite journal|author1=Andrej Čerňanský |author2=Elena V. Syromyatnikova |year=2019 |title=The first Miocene fossils of ''Lacerta'' cf. ''trilineata'' (Squamata, Lacertidae) with a comparative study of the main cranial osteological differences in green lizards and their relatives |journal=PLoS ONE |volume=14 |issue=8 |pages=e0216191 |doi=10.1371/journal.pone.0216191 |pmid=31433807 |pmc=6703700 }}</ref>
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* Snake fauna from the [[Miocene]] of the Baikadam and Malyi Kalkaman 1 and 2 localities in northeastern [[Kazakhstan]], representing the best-documented Miocene snake assemblage in Central Asia, is described by Ivanov ''et al.'' (2019).<ref>{{cite journal |author1=Martin Ivanov |author2=Davit Vasilyan |author3=Madelaine Böhme |author4=Vladimir S. Zazhigin |year=2019 |title=Miocene snakes from northeastern Kazakhstan: new data on the evolution of snake assemblages in Siberia |journal=Historical Biology: An International Journal of Paleobiology |volume=31 |issue=10 |pages=1284–1303 |doi=10.1080/08912963.2018.1446086 }}</ref>
* Description of fossil snake vertebrae from the late [[Pleistocene]] fissure deposits of the [[Minatogawa Man]] site ([[Okinawa Island]], [[Japan]]) is published by Ikeda ''et al.'' (2019).<ref>{{Cite journal|author1=Tadahiro Ikeda |author2=Akio Takahashi |author3=Makoto Manabe |author4=Yoshikazu Hasegawa |year=2019 |title=Snake vertebrae fossils occurred from the Minatogawa Man site, southern part of Okinawajima Island, Ryukyu Archipelago, southwestern Japan |journal=Bulletin of Gunma Museum of Natural History |volume=23 |pages=21–34 |url=http://www.gmnh.pref.gunma.jp/wp-content/uploads/bulletin23_3.pdf }}</ref>
* Description of Pleistocene snake fossils from the Shanyangzhai Cave ([[Hebei]], [[China]]) is published online by Chen ''et al.'' (2019).<ref>{{cite journal |author1=Yu Chen |author2=Yong-Xiang Li |author3=Jing-Song Shi |author4=Yun-Xiang Zhang |author5=Kun Xie |year=2019 |title=Pleistocene fossil snakes (Squamata, Reptilia) from Shanyangzhai Cave, Hebei, China |journal=Historical Biology: An International Journal of Paleobiology |volume=in press |issue= |pages= |doi=10.1080/08912963.2019.1658094 }}</ref>
* Description of fossil material of lizards from the Oligocene and Miocene of the [[Valley of the Lakes]] (central [[Mongolia]]) is published by Čerňanský & Augé (2019).<ref>{{cite journal |author1=Andrej Čerňanský |author2=Marc Louis Augé |year=2019 |title=The Oligocene and Miocene fossil lizards (Reptilia, Squamata) of Central Mongolia |journal=Geodiversitas |volume=41 |issue=24 |pages=811–839 |doi=10.5252/geodiversitas2019v41a24 |url=http://sciencepress.mnhn.fr/en/periodiques/geodiversitas/41/24 }}</ref>
 
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* A large marine sauropterygian belonging or related to [[Nothosaur]]oidea is described from the Triassic (probably [[Olenekian]]) [[Sulphur Mountain Formation]] ([[British Columbia]], [[Canada]]) by Scheyer, Neuman & Brinkman (2019), representing one of the oldest records of Sauropterygia and the northernmost occurrence of such animals in the Triassic.<ref>{{cite journal |author1=Torsten M. Scheyer |author2=Andrew G. Neuman |author3=Donald B. Brinkman |year=2019 |title=A large marine eosauropterygian reptile with affinities to nothosauroid diapsids from the Early Triassic of British Columbia, Canada |journal=Acta Palaeontologica Polonica |volume=64 |issue=4 |pages=745–755 |doi=10.4202/app.00599.2019 }}</ref>
* A study on life history of ''[[Nothosaurus]]'', as indicated by growth curves determined from [[Humerus|humeral]] [[histology]], and on its implications for inferring reproduction mode of this animal, is published by Griebeler & Klein (2019).<ref>{{Cite journal|author1=Eva M. Griebeler |author2=Nicole Klein |year=2019 |title=Life‐history strategies indicate live‐bearing in ''Nothosaurus'' (Sauropterygia) |journal=Palaeontology |volume=62 |issue=4 |pages=697–713 |doi=10.1111/pala.12425 }}</ref>
* Description of microbodies extracted from a bone of ''[[Nothosaurus]]'' from the [[Middle Triassic]] of [[Poland]], reported as morphologically consistent with bone cells of present-day vertebrates, is published online by Surmik ''et al.'' (2019).<ref>{{Cite journal|author1=D. Surmik |author2=M. Dulski |author3=B. Kremer |author4=J. Szade |author5=R. Pawlicki |year=2019 |title=Iron-mediated deep-time preservation of osteocytes in a Middle Triassic reptile bone |journal=Historical Biology: An International Journal of Paleobiology |volume=in press |issue= |pages= 1–8|doi=10.1080/08912963.2019.1599884 }}</ref>
* An articulated juvenile specimen of ''[[Yunguisaurus]] liae'', providing new information on the anatomy of this species, is described from the [[Ladinian]] [[Falang Formation]] ([[China]]) by Wang ''et al.'' (2019).<ref>{{cite journal |author1=Xue Wang |author2=Hao Lu |author3=Da-Yong Jiang |author4=Min Zhou |author5=Zuo-Yu Sun |year=2019 |title=A new specimen of ''Yunguisaurus'' (Reptilia; Sauropterygia) from the Ladinian (Middle Triassic) Zhuganpo Member, Falang Formation, Guizhou, China and the restudy of ''Dingxiaosaurus'' |journal=Palaeoworld |volume=29 |issue=1 |pages=137–150 |doi=10.1016/j.palwor.2019.05.006 }}</ref>
* A study on [[hydrodynamics]] of neck length and thickness in plesiosaurs is published by Troelsen ''et al.'' (2019).<ref>{{Cite journal|author1=Pernille V. Troelsen |author2=David M. Wilkinson |author3=Mehdi Seddighi |author4=David R. Allanson |author5=Peter L. Falkingham |year=2019 |title=Functional morphology and hydrodynamics of plesiosaur necks: Does size matter? |journal=Journal of Vertebrate Paleontology |volume=39 |issue=2 |pages=e1594850 |doi=10.1080/02724634.2019.1594850 }}</ref>
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* Skull and neck bones of an [[Elasmosauridae|elasmosaurid]] plesiosaur are described from the [[Cenomanian]] [[Hegushi Formation]] ([[Japan]]) by Utsunomiya (2019), representing the oldest confirmed elasmosaurid in Japan and in East Asia.<ref>{{cite journal |author=Satoshi Utsunomiya |year=2019 |title=Oldest Elasmosauridae(Plesiosauria) in East Asia from the Upper Cretaceous Goshoura Group, Shishijima Island, southwestern Japan |journal=Bulletin of the Osaka Museum of Natural History |volume=73 |pages=23–35 |doi=10.20643/00001333 }}</ref>
* A postcranial skeleton of an elasmosaurid belonging or related to the genus ''[[Aristonectes]]'' is described from the uppermost [[Maastrichtian]] levels of the [[Lopez de Bertodano Formation]] ([[Seymour Island]], [[Antarctica]]) by O'Gorman ''et al.'' (2019), who report that this specimen is one of the largest known elasmosaurid specimens worldwide.<ref>{{Cite journal|author1=J.P. O'Gorman |author2=S. Santillana |author3=R. Otero |author4=M. Reguero |year=2019 |title=A giant elasmosaurid (Sauropterygia; Plesiosauria) from Antarctica: new information on elasmosaurid body size diversity and aristonectine evolutionary scenarios |journal=Cretaceous Research |volume=102 |pages=37–58 |doi=10.1016/j.cretres.2019.05.004 }}</ref>
* Description of new fossil material of ''[[Kawanectes]] lafquenianum'' from the upper [[Campanian]]–[[Maastrichtian]] levels of the [[La Colonia Formation]] ([[Argentina]]), extending known stratigraphical range of this taxon and providing new information on diagnostic character states for ''K. lafquenianum'', is published online by O'Gorman (2019).<ref>{{Cite journal|author=José Patricio O'Gorman |year=2019 |title=First record of ''Kawanectes lafquenianum'' (Plesiosauria, Elasmosauridae) from the La Colonia Formation of Argentina, with comments on the mandibular morphology of elasmosaurids |journal=Alcheringa: An Australasian Journal of Palaeontology |volume=in press |issue= |pages= |doi=10.1080/03115518.2019.1687754 }}</ref>
* Digital [[endocast]]s of two specimens of ''[[Libonectes]] morgani'' and a [[Polycotylidae|polycotylid]] from the [[Turonian]] of Goulmima ([[Morocco]]) are reconstructed by Allemand ''et al.'' (2019).<ref>{{Cite journal|author1=Rémi Allemand |author2=Alexandra Houssaye |author3=Nathalie Bardet |author4=Peggy Vincent |year=2019 |title=Endocranial anatomy of plesiosaurians (Reptilia, Plesiosauria) from the Late Cretaceous (Turonian) of Goulmima (Southern Morocco) |journal=Journal of Vertebrate Paleontology |volume=39 |issue=2 |pages=e1595636 |doi=10.1080/02724634.2019.1595636 }}</ref>
 
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* A study on the endocranial anatomy of ''[[Naomichelys]] speciosa'' is published by Paulina-Carabajal, Sterli & Werneburg (2019).<ref>{{cite journal |author1=Ariana Paulina-Carabajal |author2=Juliana Sterli |author3=Ingmar Werneburg |year=2019 |title=The endocranial anatomy of the stem turtle ''Naomichelys speciosa'' from the Early Cretaceous of North America |journal=Acta Palaeontologica Polonica |volume=64 |issue=4 |pages=711–716 |doi=10.4202/app.00606.2019 }}</ref>
* Description of new fossil material of ''[[Peligrochelys]] walshae'' from the [[Paleocene]] ([[Danian]]) [[Salamanca Formation]] ([[Argentina]]), and a study on the phylogenetic relationships of this species, is published by Sterli & de la Fuente (2019).<ref>{{cite journal |author1=Juliana Sterli |author2=Marcelo S. de la Fuente |year=2019 |title=Cranial and post-cranial remains and phylogenetic relationships of the Gondwanan meiolaniform turtle ''Peligrochelys walshae'' from the Paleocene of Chubut, Argentina |journal=Journal of Paleontology |volume=93 |issue=4 |pages=798–821 |doi=10.1017/jpa.2019.11 }}</ref>
* The only complete shell of ''[[Eocenochelus]]'' identified so far is described from the [[Eocene]] ([[Lutetian]]) [[Sobrarbe Formation]] ([[Spain]]) by Pérez-García ''et al.'' (2019).<ref>{{cite journal |author1=A. Pérez-García |author2=E. Díaz-Berenguer |author3=A. Badiola |author4=J.I. Canudo |year=2019 |title=An unexpected finding: identification of the first complete shell of the Franco-Belgian middle Eocene littoral pleurodiran turtle ''Eocenochelus eremberti'' in Spain |journal=Historical Biology: An International Journal of Paleobiology |volume=in press |issue= |pages= 1–7|doi=10.1080/08912963.2019.1644330 }}</ref>
* Description of new fossil material of ''[[Neusticemys]] neuquina'' from the Upper Jurassic of the Neuquén Basin ([[Argentina]]) and a study on the phylogenetic relationships of this species is published online by Ruiz, de la Fuente & Fernández (2019).<ref>{{cite journal |author1=P. González Ruiz |author2=M. S. de la Fuente |author3=M.S. Fernández |year=2019 |title=New cranial fossils of the Jurassic turtle ''Neusticemys neuquina'' and phylogenetic relationships of the only thalassochelydian known from the eastern Pacific |journal=Journal of Paleontology |volume=94 |issue=1 |pages=145–164 |doi=10.1017/jpa.2019.74 }}</ref>
* Description of new fossil material of ''[[Plesiochelys]] bigleri'' from the [[Kimmeridgian]] Banné Marls ([[Switzerland]]), providing new information on the anatomy of this species, is published by Raselli & Anquetin (2019).<ref>{{Cite journal|author1=Irena Raselli |author2=Jérémy Anquetin |year=2019 |title=Novel insights into the morphology of ''Plesiochelys bigleri'' from the early Kimmeridgian of Northwestern Switzerland |journal=PLoS ONE |volume=14 |issue=5 |pages=e0214629 |doi=10.1371/journal.pone.0214629 |pmid=31091241 |pmc=6519798 }}</ref>
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===General research===
* A study on the impact of the [[Triassic–Jurassic extinction event]] on archosauromorph reptiles is published by Allen ''et al.'' (2019).<ref>{{Cite journal|author1=Bethany J. Allen |author2=Thomas L. Stubbs |author3=Michael J. Benton |author4=Mark N. Puttick |year=2019 |title=Archosauromorph extinction selectivity during the Triassic–Jurassic mass extinction |journal=Palaeontology |volume=62 |issue=2 |pages=211–224 |doi=10.1111/pala.12399 }}</ref>
* A diverse assemblage of [[Archosauriformes|archosauriform]] teeth is described from the [[Upper Triassic]] [[Tiki Formation]] ([[India]]) by Ray, Bhat & Datta (2019).<ref>{{cite journal |author1=Sanghamitra Ray |author2=Mohd Shafi Bhat |author3=P. M. Datta |year=2019 |title=First record of varied archosauriforms from the Upper Triassic of India based on isolated teeth, and their biostratigraphic implications |journal=Historical Biology: An International Journal of Paleobiology |volume=in press |issue= |pages= 1–17|doi=10.1080/08912963.2019.1609957 }}</ref>
* A study on archosauriform teeth assemblage from the [[Middle Triassic]] [[Manda Beds]] ([[Tanzania]]), aiming to determine the taxonomic composition of that collection and its implications for the knowledge of the diversity and evolution of archosauriforms from the Manda Beds, is published by Hoffman ''et al.'' (2019).<ref>{{cite journal |author1=Devin K. Hoffman |author2=Hunter R. Edwards |author3=Paul M. Barrett |author4=Sterling J. Nesbitt |year=2019 |title=Reconstructing the archosaur radiation using a Middle Triassic archosauriform tooth assemblage from Tanzania |journal=PeerJ |volume=7 |pages=e7970 |doi=10.7717/peerj.7970 |pmid=31720109 |pmc=6839518 }}</ref>
 
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* A study on the anatomy, [[ecomorphology]] and bone microstructure of members of [[Proterochampsia]], and on their implications for inferring the lifestyles of these reptiles, is published by Arcucci, Previtera & Mancuso (2019).<ref>{{Cite journal|author1=Andrea Arcucci |author2=Elena Previtera |author3=Adriana C. Mancuso |year=2019 |title=Ecomorphology and bone microstructure of Proterochampsia from the Chañares Formation |journal=Acta Palaeontologica Polonica |volume=64 |issue=1 |pages=157–170 |doi=10.4202/app.00536.2018 }}</ref>
* Two new [[Rhadinosuchinae|rhadinosuchine]] [[Proterochampsidae|proterochampsid]] specimens are described from the [[Chañares Formation]] ([[Argentina]]) by Ezcurra ''et al.'' (2019).<ref>{{Cite journal|author1=Martín Daniel Ezcurra |author2=María Belén Von Baczko |author3=María Jimena Trotteyn |author4=Julia Brenda Desojo |year=2019 |title=New proterochampsid specimens expand the morphological diversity of the rhadinosuchines of the Chañares Formation (lower Carnian, northwestern Argentina) |journal=Ameghiniana |volume=56 |issue=2 |pages=79–115 |doi=10.5710/AMGH.25.05.2019.3230 }}</ref>
* A study on the morphology and affinities of isolated [[phytosaur]] teeth from the Upper Triassic [[Tiki Formation]] ([[India]]) is published online by Datta, Kumar & Ray (2019).<ref>{{Cite journal|author1=Debajit Datta |author2=Nishant Kumar |author3=Sanghamitra Ray |year=2019 |title=Taxonomic identification of isolated phytosaur (Diapsida, Archosauria) teeth from the Upper Triassic of India and their significances |journal=Historical Biology: An International Journal of Paleobiology |volume=in press |issue= |pages= 1–11|doi=10.1080/08912963.2019.1613652 }}</ref>
 
====New taxa====
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''[[Volcanosuchus]]''<ref>{{cite journal |author1=Debajit Datta |author2=Sanghamitra Ray |author3=Saswati Bandyopadhyay |year=2019 |title=Cranial morphology of a new phytosaur (Diapsida, Archosauria) from the Upper Triassic of India: implications for phytosaur phylogeny and biostratigraphy |journal=Papers in Palaeontology |volume=Online edition |issue= |pages= |doi=10.1002/spp2.1292 }}</ref>
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Gen. et sp. nov
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* A study on the composition and structure of bone fragments of ''Deltavjatia vjatkensis'' from the Kotelnich vertebrate fossil site is published by Kiseleva ''et al.'' (2019), who report [[white blood cell]]-like structures, interpreted as possible leukocytes.<ref>{{Cite journal|author1=Daria Kiseleva |author2=Oleg Shilovsky |author3=Evgeny Shagalov |author4=Anastasia Ryanskaya |author5=Maria Chervyakovskaya |author6=Elizaveta Pankrushina |author7=Nadezhda Cherednichenko |year=2019 |title=Composition and structural features of two Permian parareptile (''Deltavjatia vjatkensis'', Kotelnich Site, Russia) bone fragments and their alteration during fossilisation |journal=Palaeogeography, Palaeoclimatology, Palaeoecology |volume=526 |pages=28–42 |doi=10.1016/j.palaeo.2019.04.015 }}</ref>
* A study on the [[Ontogeny|ontogenetic]] changes in long-bone and rib [[histology]] of ''Deltavjatia rossica'' and ''[[Scutosaurus]] karpinskii'' is published by Boitsova ''et al.'' (2019).<ref>{{Cite journal|author1=Elizaveta A. Boitsova |author2=Pavel P. Skutschas |author3=Andrey G. Sennikov |author4=Valeriy K. Golubev |author5=Vladimir V. Masuytin |author6=Olga A. Masuytina |year=2019 |title=Bone histology of two pareiasaurs from Russia (''Deltavjatia rossica'' and ''Scutosaurus karpinskii'') with implications for pareiasaurian palaeobiology |journal=Biological Journal of the Linnean Society |volume=128 |issue=2 |pages=289–310 |doi=10.1093/biolinnean/blz094 }}</ref>
* A study on the microstructure of limb bones, a rib fragment and [[osteoderm]]s of ''[[Provelosaurus]] americanus'' is published online by Farias, Schultz & Soares (2019).<ref>{{cite journal |author1=Brodsky Dantas Macedo Farias |author2=Cesar Leandro Schultz |author3=Marina Bento Soares |year=2019 |title=Bone microstructure of the pareiasaur ''Provelosaurus americanus'' from the Middle Permian of southern Brazil |journal=Historical Biology: An International Journal of Paleobiology |volume=in press |issue= |pages= 1–12|doi=10.1080/08912963.2019.1617288 }}</ref>
* A study on the species richness and morphological diversity of [[Parareptilia|parareptiles]] over the course of their evolutionary history is published by MacDougall, Brocklehurst & Fröbisch (2019).<ref>{{Cite journal|author1=Mark J. MacDougall |author2=Neil Brocklehurst |author3=Jörg Fröbisch |year=2019 |title=Species richness and disparity of parareptiles across the end-Permian mass extinction |journal=Proceedings of the Royal Society B: Biological Sciences |volume=286 |issue=1899 |pages=Article ID 20182572 |doi=10.1098/rspb.2018.2572 |pmid=30890099 |pmc=6452079 }}</ref>
* A study testing whether the consistent evolutionary size increase in [[Captorhinidae|captorhinids]] led to major re‐patterning in their [[long bone]] structure is published by Romano & Rubidge (2019).<ref>{{cite journal |author1=Marco Romano |author2=Bruce Rubidge |year=2019 |title=Long bone scaling in Captorhinidae: do limb bones scale according to elastic similarity in sprawling basal amniotes? |journal=Lethaia |volume=52 |issue=3 |pages=389–402 |doi=10.1111/let.12319 }}</ref>