Bivalve research • Gavirneni, Ivany & Reddin (2025) calculate resting metabolic rates for fossil bivalves, and find bivalves with higher mass-specific metabolic rates to be overall more vulnerable to extinction throughout the evolutionary history of the group. • Revision of Ordovician bivalves from the Montagne Noire (
France) is published by Polechová (2025). • Shi et al. (2025) report the first discovery of silicified bivalve fossils from the Permian (Kungurian−Roadian) strata of the Wandrawandian Siltstone (Australia), and reconstruct the taphonomic history of these fossils. • Yang et al. (2025) report the first discovery of
alatoconchid fossil material from the middle Permian strata of the Maokou Formation (Hubei, China). • Zhao et al. (2025) study the chronological framework of accumulation of alatoconchid fossils from the Permian
Maokou Formation (China), and constrain the extinction of alatoconchids to approximately 262.8 million years ago. • Miao et al. (2025) study the fossil record of Triassic marine bivalves, and report evidence of recovery of taxonomic richness after the
Permian–Triassic extinction event during the Early Triassic, and of recovery of ecological diversity in the Middle Triassic. • A study on Early Triassic bivalve communities from the Liuzhi and Bozhou sections in Guizhou (China), providing evidence of increase of species diversity in associations dominated by members of the genus
Claraia, but also evidence of broad ecological uniformity in the aftermath of the Permian–Triassic extinction event, is published by Yang et al. (2025). • Hautmann (2025) interprets Triassic bivalve
Pseudocorbula as a
basal member of the superfamily
Arcticoidea within the group
Venerida, and names a new subfamily
Pseudocorbulinae within the family
Isocyprinidae. • Evidence from the study of unionoid bivalve specimens from the Triassic of
Poland and from the Cretaceous of
Brazil and the
United Kingdom, indicative of evolution of advanced anatomical traits of gills after the Triassic, is presented by Skawina & Ghilardi (2025). • Evidence indicating that pattern of changes of diversity of pectinoid bivalves from the Caucasus throughout the Jurassic period differed from the global pattern is presented by Ruban (2025). • Isaji (2025) redescribes
"Unio" ogamigoensis and
"Archaeounio" kagaensis, transfers the former species to the genus
Margaritifera and the latter one to the genus
Nakamuranaia, and determines the habitat preferences of the two species, interpreting
M. ogamigoensis as living in rapidly flowing streams and
N. kagaensis as living in shallow lakes on floodplains. • Neubauer et al. (2025) identify the pectinid genus
Velata Quenstedt (1857) as validly named and a
senior synonym of
Eopecten, and identify the
type species of the genus
Velata,
"Spondylus" tuberculosus Goldfuss (1835), as a junior synonym of
Velata abjecta (Phillips, 1829). • A study on the shell microstructure, ecology and biostratigraphic utility of
Liostrea birmanica, based on fossil from the Middle Jurassic Daoban Formation (China), is published by Li et al. (2025). • Simões et al. (2025) describe a new mollusc-dominated assemblage from the uppermost
Romualdo Formation (
Brazil), including freshwater bivalves previously known only from the underlying
Crato Formation. • Silva et al. (2025) describe new fossil material of bivalves from Lower Cretaceous deposits in northeastern Brazil, expanding known range of the genera
Araripenaia,
Cratonaia and
Monginellopsis beyond the Crato and Romualdo formations. • Skelton & Gili (2025) interpret the fossil evidence as indicating that congregations of rudist bivalves had more in common in
oyster reefs or colonizations of carbonate banks by members of the genus
Pinna than with tropical coral reefs. • Rineau et al. (2025) report the first discovery of fossils of members of the rudist genus
Sellaea from the Albian strata of the Basque-Cantabrian Basin (Spain). • Mougola et al. (2025) report on the composition of the bivalve assemblage from the Upper Cretaceous (
Coniacian–
Santonian) strata from Cap Estérias, including first records of three bivalve genera and twelve species from the
Gabon Coastal Basin described to date. • Evidence of changes of composition of Late Cretaceous bivalve communities from the Ariyalur Sub-basin (
India), interpreted as likely related to changing substrate conditions, is presented by Mukhopadhyay et al. (2025). • Lucas et al. (2025) report evidence of preservation of shell color patterns in two specimens of
Cataceramus glendivensis from the
Maastrichtian Pierre Shale (
New Mexico, United States). • Evidence from the study of the fossil record of marine bivalves, indicating that the
Cretaceous–Paleogene extinction event resulted in disruption of biodiversity of marine bivalves but did not fully determine their present-day diversity, is presented by Edie, Collins & Jablonski (2025). • Villegas-Martín et al. (2025) identify a fossil wood specimens from the
La Meseta Formation (
Antarctica), preserved with a boring interpreted as likely produced by a large-bodied member of the genus
Kuphus, and representing possible evidence of wood colonization by large-bodied
shipworms in the Antarctic Peninsula during the Eocene. • Bojarski, Cierocka & Szwedo (2025) report the discovery of more than 90 inclusions of
piddocks in the Miocene
Mexican amber, representing various developmental stages and at least five distinct morphotypes. • Slattery et al. (2025) study the impact of different climate regimes on the evolution of members of the genus
Nucula from the Late Cretaceous to the Quaternary, and find evidence that morphological change of the studied bivalves coincided with more stable climate conditions. ==Gastropods==