• Ivantsov, Nagovitsyn & Zakrevskaya (2019) describe traces of macroorganisms associated with the body imprints of trace-producers from
Ediacaran deposits of the southeastern
White Sea region (
Russia). • Xiao
et al. (2019) describe a new
trace fossil from the Ediacaran
Dengying Formation (China), interpreted as produced by a
bilaterian animal exploring an oxygen oasis in
microbial mats, and name a new
ichnotaxon Yichnus levis. • A study on the
ichnotaxon Macaronichnus segregatis degiberti described on the basis of fossil burrows likely formed through selective sand feeding and excretion of
polychaetes, aiming to reconstruct tracemaker behaviour, is published by Nara & Seike (2019). • A study on the
horseshoe crab traces from the
Carboniferous Steven C. Minkin Fossil Site (
Alabama,
United States) is published by King, Stimson &
Lucas, who name new ichnospecies
Kouphichnium atkinsoni and
K. minkinensis. • Horseshoe crab traces from the
Middle Jurassic strata of the Imilchil area (Central High Atlas,
Morocco), indicating the presence of horseshoe crabs at the southern margin of the
Tethys Ocean, are described by Oukassou
et al. (2019). • Tracks of giant
millipede-like arthropods, assigned to the ichnotaxon
Diplichnites cuithensis and likely produced by members of the genus
Arthropleura, are described from the
Carboniferous (late
Pennsylvanian) of the Graissessac Basin (southern
France) by Moreau
et al. (2019). • Tracks produced by an
edopoid temnospondyl are described from the Carboniferous (
Viséan)
Alston Formation (
North Yorkshire,
United Kingdom) by Bird
et al. (2019), representing the stratigraphically oldest known tetrapod trackway from the United Kingdom reported so far and the oldest known record of Edopoidea. • First
tetrapod tracks from the Permian of
Sardinia (
Italy), assigned to the
ichnogenus Merifontichnus and representing the oldest occurrence of the ichnogenus to date, are described by Citton
et al. (2019). • A study on the
taphonomy of Permian (
Cisuralian) tetrapod tracks from the
Coconino and De Chelly formations of
Arizona, and on the locomotion and phylogenetic relationships of the trackmakers, is published by Marchetti
et al. (2019). • Tetrapod tracks assigned to the ichnogenus
Ichniotherium are reported from the eolian Coconino Sandstone by Francischini
et al. (2019), who interpret these tracks as the oldest known evidence of occupation of deserts by non-amniote tetrapods (probably
diadectomorphs. • A revision of
Lopingian tetrapod tracks from eolian paleoenvironments of
Germany and
Scotland is published by Marchetti, Voigt &
Lucas (2019), who reject the interpretation of these tracks as monospecific associations of
synapsid footprints, reporting them to be more diverse, and interpret them as evidence indicating that faunal turnover related to end-
Guadalupian extinction event occurred not only at high-mid paleo
latitudes, but also at low paleolatitudes of
Pangaea. • A revision of tetrapod tracks from the Upper Permian Val Gardena Formation of the Dolomites region in northern
Italy is published by Marchetti, Voigt & Klein (2019), who name new ichnogenus
Dolomitipes. • A revision of tetrapod tracks from Permian-Early Triassic tracksites in the main
Karoo Basin of
South Africa is published by Marchetti
et al. (2019), who name new
ichnotaxon Karoopes gansfonteinensis. • Tetrapod footprints, mostly quadruped trackways of large footprints most likely produced by
kannemeyeriiform dicynodonts, are described from the Middle Triassic Cerro de las Cabras Formation (
Argentina) by Lagnaoui
et al. (2019), who name a new
ichnotaxon Pentasauropus argentinae. • The oldest
frog tracks reported from the fossil record are described from the
Lower Cretaceous (
Aptian-
Albian)
Jinju Formation (
South Korea) by Kim
et al. (2019). • 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. • Trackways of sea turtle hatchlings are described from the
Pleistocene of
South Africa by
Lockley et al. (2019), who name new ichnotaxa
Australochelichnus agulhasii and
Marinerichnus latus. • Complete step cycles produced by archosaurs, assigned to the ichnogenus
Brachychirotherium, are described from the Upper Triassic Machraa Abbass Member of the Oued Oum Er Rbiaa Formation (Morocco) by Hminna
et al. (2019), representing the first complete trackway of this ichnogenus in North Africa. • A study on tracks assigned to the ichnogenus
Chirotherium from the Middle Triassic
Guanling Formation (
Yunnan,
China), produced by members of
Archosauriformes, is published online by Xing & Klein (2019), who also describe the first tracks and trackways of the ichnogenus
Rhynchosauroides from the Asian continent. • Five invertebrate traces including a new ichnospecies of
Diplichnites (
Diplichnites rawi), were described from the latest
Carboniferous of
Shropshire, England by Hedge et al. (2019) • Tetrapod burrow most likely produced by a
notosuchian
crocodylomorph is described from the Upper Cretaceous Bauru Group (
Brazil) by Martinelli
et al. (2019). •
Crocodyliform tracks, probably produced under water by a bottom walking and punting animal, are described from the Upper Cretaceous (?
Cenomanian-
Santonian)
Bayan Shireh Formation (
Mongolia) by Lee
et al. (2019). • Costa-Pérez, Moratalla & Marugán-Lobón (2019) evaluate the utility of geometric
morphometrics for determining the degree to which size, speed and taxonomy are contributing factors to the difference of bipedal dinosaur trackways. • New
Middle Jurassic tracksite dominated by non-avian theropod footprints, including theropod trackways with preserved
manus tracks, is reported from the
Wangjiashan Formation (
Gansu,
China) by Li
et al. (2019), who name a new
ichnotaxon Grallator pingchuanensis. • A study comparing
Late Jurassic tracks of large theropods from Europe and North Africa is published by Belvedere
et al. (2019). • A diverse assemblage of dinosaur footprints is described from the
Lower Cretaceous (
Berriasian-
Valanginian)
Ashdown Formation of
East Sussex, southern
England by Shillito & Davies (2019). • Theropod footprints with anatomical features which don't match any known
Gondwanan theropod with preserved
pedal bones are described from the
Albian Lagarcito Formation (
Argentina) by Melchor
et al. (2019), who name a new
ichnotaxon Picunichnus quijadaensis Melchor. • A study on the
ichnotaxonomy of theropod footprints from the
Lower Cretaceous Kitadani Formation (
Japan) is published by Tsukiji
et al. (2019). • Small theropod footprints representing the ichnogenus
Minisauripus, preserving high-definition skin traces, are described from the Lower Cretaceous
Jinju Formation (
South Korea) by Kim
et al. (2019). • A study on putative theropod footprints assigned to the ichnogenus
Eubrontes is published by Weems (2019), who argues that bipedal
sauropodomorphs were more likely trackmakers of these tracks. • A study on
sauropod tracks from the Jurassic Tafaytour tracksites (Argana Basin,
Morocco), and on their implications for inferring forelimb posture in sauropod dinosaurs, is published by Lallensack
et al. (2019). • A study on sauropod tracks from a new dinosaur tracksite from the
Middle Jurassic Isli Formation (Morocco), providing evidence of presence of
basal eusauropods in the Middle Jurassic-Early Cretaceous interval in the northwestern part of
Gondwana, is published by Oukassou
et al. (2019). • A study on sauropod tracks from the Upper Jurassic
Tianchihe Formation at the Guanxi site (
Shanxi,
China) is published online by Xing
et al. (2019). • An assemblage of sauropod tracks with a considerable size range, likely produced by an association of sauropods of different size-classes, is described from the Cretaceous
Hengshan Formation (
Zhejiang, China) by Xing
et al. (2019). • New sauropod trackway, representing the first record of a narrow-gauge sauropod trackway from the
Cenomanian reported so far, will be described from the
Candeleros Formation (
Argentina) by Heredia
et al. (2019). • Large
ornithischian (probably
thyreophoran) tracks are described from the
Middle Jurassic Chuanjie Formation (
China) by Xing
et al. (2019). • Probable track of a thyreophoran dinosaur, possibly produced by
Isaberrysaura, is described from the Middle Jurassic
Lajas Formation (
Argentina) by Pablo
et al. (2019). • Ordovician arthropod trackways in the
Borrowdale Volcanic Group were shown to be more likely to be death traces than evidence for early life on land by Shillito and Davies (2019). , • A study on non-avian dinosaur and bird tracks (representing some of the oldest known bird tracks) preserved in slabs used as building stones at the
Chengde Mountain Resort, originating from the
Tuchengzi Formation (
China) and dating to the Jurassic-Cretaceous boundary, is published online by Xing
et al. (2019). • Description of non-avian dinosaur and bird tracks from the Upper Cretaceous
Chignik Formation (southwestern
Alaska), evaluating their implications for the knowledge of habitat preferences of northern high-latitude dinosaurs, is published by Fiorillo
et al. (2019). • A study on bird footprints from the
Maastrichtian–
Danian Yacoraite Formation (
Argentina) is published by de Valais & Cónsole-Gonella (2019). • Flamingo-like and
anatid-like fossil bird footprints are described from the
Vinchina Formation (
Argentina) by Farina
et al. (2019), who name new ichnotaxa
Phoenicopterichnum lucioi and
P. vinchinaensis. •
Pterosaur tracks, larger than most other pterosaurian
ichnites of
the Late Jurassic age, are described from the
Kimmeridgian carbonate deposits exposed in Wierzbica Quarry (
Poland) by Elgh, Pieńkowski & Niedźwiedzki (2019). • Evidence from
coprolites, isolated worn teeth, fossil regurgitates and crushed or bite-marked
dicynodont bones, indicating that
Triassic archosaur
Smok wawelski was at least an occasional
osteophage consuming bones in a manner comparable to
tyrannosaurid theropod dinosaurs, is presented by Qvarnström,
Ahlberg & Niedźwiedzki (2019). • A new late Pleistocene site containing bones and footprints of mammals is reported from
Brazil by Oliveira
et al. (2019). • Large carnivore footprints, probably produced by
Smilodon populator, will be described from a new ichnological site from the Late Pleistocene of
Buenos Aires Province (
Argentina) by Agnolin
et al. (2019), who name a new
ichnotaxon Felipeda miramarensis. • A study on hominin footprints discovered near
Ileret (
Kenya) and on their implications for the knowledge of
sexual dimorphism in
Homo erectus is published by Villmoare, Hatala &
Jungers (2019). • A study on human footprints, handprints and other traces from the
Upper Paleolithic of the Bàsura Cave (
Italy), and on their implications for the knowledge of the behavior and social structure of the human group inhabiting this cave, is published by Romano
et al. (2019). • Trace fossils assigned to the ichnogenus
Protopaleodictyon, of large size compared to other ichnospecies of this ichnogenus, are described from the
Cambrian Stephen–
Eldon formation transition (
Alberta,
Canada) by Morgan, Henderson & Pratt (2019), who name a new ichnospecies
Protopaleodictyon aitkeni. • A study on trace fossils from the Lower Triassic Dongchuan, Feixianguan and Jialingjiang formations (
China), and on their implications for inferring how the Permian–Triassic extinction event affected the brackish-water ecosystem and how this ecosystem recovered in the Early Triassic, is published by Zhang
et al. (2019). • A study on trace fossils from the early
Middle Triassic Luoping Biota (
Yunnan Province, South
China), and on their implications for inferring the timing of recovery of marine ecosystems after Permian–Triassic extinction event, is published by Luo
et al. (2019). •
Paleodictyon trace fossils are reported from the
Upper Triassic Bagong Formation (
China) by Zhan, Peng & Chen (2019). ==References==