• Evidence from multi-stable isotope data indicating that some Devonian vertebrates, including early
tetrapods, were
euryhaline and inhabited aquatic environments subject to rapid changes in salinity is presented by Goedert
et al. (2018). • A study on the evolution of hindlimb musculature from the
lobe-finned fishes to early tetrapods is published online by Molnar
et al. (2018). • A partial jaw resembling that of
Crassigyrinus is described from the
Tournaisian of
Scotland by
Clack, Porro & Bennett (2018), potentially extending the existence of the genus by approximately 20 million years towards the base of the
Carboniferous. • A study on the fossil record of amphibians, aiming to identify traits that influenced the extinction risk of species, and using this data to predict the extinction risk for living amphibian species, is published by Tietje & Rödel (2018). • Description of
anamniote tetrapod fossils from the Late
Permian Sundyr Tetrapod Assemblage (
Mari El,
Russia) is published by Golubev & Bulanov (2018). • A study on the relationship between taxonomic and ecological diversity of temnospondyls across the
Permian–
Triassic boundary in the
Karoo Basin of
South Africa is published by Tarailo (2018). • A study on the
morphology and phylogenetic relationships of
Neldasaurus is published by Schoch (2018). • A study on the morphological changes in the skull that have been considered related to size reduction in
dissorophoids, evaluating whether these changes are consistent with the consequences of miniaturization according to the studies in extant miniature amphibians, is published by Pérez-Ben, Schoch & Báez (2018). • A study on the phylogenetic relationships of dissorophoid temnospondyls, and on their relationship to
modern amphibians, is published by Schoch (2018), who names new taxon
Amphibamiformes. • Well-preserved postcranial skeletons of two
dissorophids are described from the early
Permian karst deposits near Richards Spur (
Oklahoma,
United States) by Gee &
Reisz (2018). • A revision of the fossil material assigned to
Fayella chickashaensis is published by Gee, Scott &
Reisz (2018), who consider this species to be a
nomen dubium. • New skull remains of
Cacops morrisi, as well as the first known postcranial remains of the taxon, are described from the Permian of the Richards Spur locality (
Oklahoma,
United States) by Gee & Reisz (2018). • Two new dissorophid specimens referred to
Anakamacops petrolicus are described from the
Guadalupian Dashankou Fauna of
China by Liu (2018). • A study on the morphology and phylogenetic relationships of
Limnogyrinus elegans is published by Schoch & Witzmann (2018). • A study on the diversity of the morphology of the feeding system in
stereospondyl temnospondyls is published by Penrice & Deeming (2018). • A study on the anatomy and phylogenetic relationships of
Parotosuchus nasutus is published by Schoch (2018). • A study on the morphology of specimens of
Rhytidosteus from southeastern European Russia, and on their implications for inferring possible feeding adaptations of this animal, is published by Sennikov & Novikov (2018). • Partial
mandible of a large-bodied
metoposaurid is described from the
Upper Triassic Chinle Formation exposures at
Petrified Forest National Park (
Arizona,
United States) by Gee & Parker (2018). •
Morphological description of two new small-bodied metoposaurid specimens from
Petrified Forest National Park (
Arizona,
United States) and a
histological analysis of the vertebra of these specimens is published online by Gee & Parker (2018), who argue that their findings support the interpretation of
Apachesaurus as a juvenile metoposaurid. • A small metoposaurid specimen interpreted as a juvenile specimen of
Apachesaurus gregorii is described from the
Petrified Forest National Park (Arizona, United States) by Rinehart &
Lucas (2018). • A study on the
histology of the
humeri of members of the species
Metoposaurus krasiejowensis, revealing the occurrence of two different growth patterns (histotypes), is published by Teschner, Sander & Konietzko-Meier (2018). • A study on the feeding mode of
Metoposaurus krasiejowensis as indicated by bone microstructure and computational biomechanics is published by Konietzko-Meier
et al. (2018). • Description of the ornamentation of clavicles and skull bones of
Metoposaurus krasiejowensis is published by Antczak & Bodzioch (2018). • Redescription of
Regalerpeton weichangensis based on eight new specimens and a study on the phylogenetic relationships of the species is published by Rong (2018). • An incomplete vertebra of a member of
Caudata is described from the
Algerian part of the
Cretaceous Kem Kem Beds by Alloul
et al. (2018). • Description of bone anomalies in specimens of the
cryptobranchid Eoscapherpeton asiaticum from the
Upper Cretaceous Bissekty Formation (
Uzbekistan) and a study on their possible origin is published by Skutschas
et al. (2018). • A study on the life history of the cryptobranchid
Aviturus exsecratus from the
Paleocene of
Mongolia is published online by Skutschas
et al. (2018). • Description of new specimens of the fossil
salamandrids Taricha oligocenica and
Taricha lindoei from the
Oligocene of
Oregon, providing new information on the
morphology of these taxa, and a study on the phylogenetic relationships of these species is published by Jacisin & Hopkins (2018). •
Cretaceous frog tracks are described from the Saok Island (
South Korea) by Park
et al. (2018), who name a new
ichnotaxon Ranipes saokensis. • Fossils of members of the genus
Palaeobatrachus are described from the
Miocene (
Turolian) localities in
Adygea (
Russia) by Syromyatnikova (2018). • A redescription and a study of the phylogenetic relationships of
Baurubatrachus pricei is published by Báez & Gómez (2018). • A redescription and a study of the phylogenetic relationships of
Eorubeta nevadensis is published by Henrici
et al. (2018). • Description of new fossil material of
Thaumastosaurus from three localities in
Switzerland, and a revision of the stratigraphic records of the genus
Thaumastosaurus and other
ranoid fossils from the
Eocene of Europe, is published by Vasilyan (2018). • A study on the skull morphology of
Enosuchus breviceps is published by Bulanov & Golubev (2018). • A study on the anatomy of regenerating tails in two specimens of the
Carboniferous lepospondyl Microbrachis pelikani, comparing tail regeneration in this taxon and in extant
seal salamander and
Ocoee salamander, is published by van der Vos, Witzmann & Fröbisch (2018). • A study on the skull ornamentation of a large specimen of
Brachydectes newberryi from Linton (
Ohio,
United States) is published by Mann (2018). • Description of the anatomy of the skeleton of the
chroniosuchian species
Bystrowiella schumanni and a study on the phylogenetic relationships of chroniosuchians is published by Witzmann & Schoch (2018). • A study on the variation of digit proportions and trackway parameters in
diadectomorph tracks with a relatively short
pedal digit V, representing
ichnogenus Ichniotherium, is published by Buchwitz & Voight (2018). ==References==