Science AI Journal
Earth and Planetary Sciences · Research topic

Open research questions in Evolution and Paleontology Studies

114 gap statements mined from Evolution and Paleontology Studies papers in our 4.5M-paper local library, which holds 526 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.

Choosing where to publish on Evolution and Paleontology Studies? See the ranked Earth Science journals.

What the literature leaves open

  • The taphonomic processes governing the formation and preservation of the Hipparion Red Clay assemblages remain largely unexplored. There is a need for quantitative taphonomic analysis of the Hipparion Red Clay assemblages.

    Formation processes of Late Miocene Hipparion Red Clay vertebrate assemblages from northern China: taphonomic constraints on palaeoecological and biochronological interpretations · 2026 · DOI

  • The study aims to address the gap in understanding the drivers of reproductive strategy in Artemia. The research gap includes the need to examine the effects of environmental conditions and the size-age structure of the community on Artemia's reproductive mode.

    Drivers of reproductive strategy in parthenogenetic Artemia lineage: a long-term study from Western Siberia · 2026 · DOI

  • The previous understanding of the species' range and chronology was incomplete. The study fills this gap by providing new evidence of the species' distribution and presence in the Late Pleistocene.

    First Find of Late Pleistocene Remains of the Collared Lemming (Dicrostonyx torquatus, Pallas 1779) in the South of the Russian Far East · 2026 · DOI

  • The fragmentary origin of the owl pellet remains from Guerrero and the limitations this entails. The difficulty in unequivocally assigning the geographical origin of individuals consumed by raptors.

    Reopening the case of the enigmatic record hitherto referred to as the Mayan shrew, Cryptotis mayensis (Mammalia, Soricidae) · 2026 · DOI

  • The need for further study of the fauna in the Balkan-Anatolian province.

    A new Oligocene genus of the Spalacidae (Rodentia) from the Balkan–Anatolian biogeographic province: spalacid relationships and their dispersal through time · 2026 · DOI

  • The relationships between the species in the Balkan-Anatolian province are not well understood. The geological history of the region is complex and not fully clarified.

    A new Oligocene genus of the Spalacidae (Rodentia) from the Balkan–Anatolian biogeographic province: spalacid relationships and their dispersal through time · 2026 · DOI

  • The study is limited by the small sample size. The complexity of the C. goodwini group makes it challenging to identify and describe new species. The lack of genetic sequencing data makes it difficult to confirm the relationships between species in the group.

    OP-394- Revisiting Subfossil Small-eared Shrews of the Genus Cryptotis Pomel, 1848 from Near Copán, Honduras, with the Description of a New Species (Mammalia: Eulipotyphla: Soricidae) · 2026 · DOI

  • The study is limited to morphological analysis and does not include genetic sequencing. The sample size is small, with only a few specimens available for analysis.

    OP-394- Revisiting Subfossil Small-eared Shrews of the Genus Cryptotis Pomel, 1848 from Near Copán, Honduras, with the Description of a New Species (Mammalia: Eulipotyphla: Soricidae) · 2026 · DOI

  • These sample sizes are limited, - We preferred to measure individuals from a restricted area rather than pooling individuals from geographically distant populations, - The collection tag indicated the sex and whether the individual was adult or not, - One M.

    On the importance of body-size proxies when scaling sexual dimorphism: A case study in Mustelidae · 2026 · DOI

  • The lack of thylacine dissection data to assess the soft tissues housed by the infraorbital foramen. The difficulty of identifying how biodiversity research can be aligned with legal and ethical frameworks on Indigenous data sovereignty. The need to consider the complexities of investigating a multifunctional structure such as the cranium.

    Skull morphology of the extinct Tasmanian tiger suggests unique biting style · 2026 · DOI

  • The lack of integration of phylogenetic bioregionalization and geography-dependent diversification modeling in prior studies. The need to resolve the competing hypotheses proposing Neotropical or Nearctic origins.

    The historical biogeography of the New World blackbirds (Icteridae) · 2026 · DOI

  • The extinct "American cheetah" ( Miracinonyx trumani) has long been considered a North American ecological analog of the African cheetah 1, 2 ( Acinonyx jubatus) based on convergent cursorial morphology, yet this paradigm rests on limited data 3 and untested assumptions about its evolutionary relationships and ecology.

    Range and diet diversity in the Pleistocene American “cheetah,” Miracinonyx trumani · 2026 · DOI

  • The Paleogene sedimentary history of the Turkana Depression is less well explored. The Oligocene is among the most poorly sampled intervals in the Afro-Arabian terrestrial vertebrate fossil record. There is a lack of detailed fieldwork and petrography in the Nameriyek area.

    Geochronology and Field Observations from Oligocene Nameriyek, Turkana County, Kenya · 2026 · DOI

  • Several of these giants have vanished within the past 130,000 years, but the timing and macroevolutionary drivers behind this pattern of rise and collapse remain unclear for some megaherbivore lineages.

    The emergence and demise of giant sloths · 2025 · DOI

  • Despite the importance of evolutionary radiations on oceanic archipelagos, diversity patterns emerging from these radiations have received relatively little attention from biogeographers. Few studies have examined the role of geo-environmental factors, such as elevation and inter-island isolation, in shaping species diversity.

    The biogeography of evolutionary radiations on oceanic archipelagos · 2026 · DOI

  • Investigation of the ecological and environmental factors that may have contributed to the isolation of the Guerrero population.

    Reopening the case of the enigmatic record hitherto referred to as the Mayan shrew, Cryptotis mayensis (Mammalia, Soricidae) · 2026 · DOI

  • The collection had discrepancies regarding the quantity and identification of the fossils. The items were organized by taxon, which made inventorying difficult.

    PROCESSOS DE CONSERVAÇÃO DA COLEÇÃO DE MAMÍFEROS FÓSSEIS DE ITABORAÍ DO MUSEU DE CIÊNCIAS DA TERRA · 2026 · DOI

  • Further study of the anatomy and behavior of Eurotamandua joresi. Comparison of the anatomy of Eurotamandua joresi to that of other mammals. Investigation of the evolution of mammals.

    Anatomy of Eurotamandua joresi (Mammalia) from Grube Messel, Germany, based on computed tomography, and implications for its relationships. Part I: Background and forelimb · 2026 · DOI

  • Poor preservation palmarly on metacarpal II makes it difficult to confirm contact between a potential offset surface and the palmar tuberosity of the capitate.

    Anatomy of Eurotamandua joresi (Mammalia) from Grube Messel, Germany, based on computed tomography, and implications for its relationships. Part I: Background and forelimb · 2026 · DOI

  • The paper identifies a gap in the history of the paleontological exhibitions of the Museu Nacional/UFRJ.

    PALEONTOLOGIA E MEMÓRIA: EXPOSIÇÕES DE PALEONTOLOGIA DO MUSEU NACIONAL/UFRJ PRÉ-INCÊNDIO · 2026 · DOI

  • The study focuses on simulated data, - The analysis is limited to a specific set of phylogenetic comparative methods, - The study does not account for other factors that may influence the performance of PCMs, - The results may not be generalizable to all systems with complex evolutionary…

    Evaluating Phylogenetic Comparative Methods under Reticulate Evolutionary Scenarios · 2026 · DOI

  • Separating the component of dimorphism that covaries with sexual dimorphism in body size from the component that is independent of body size, - Estimating the non-allometric component of sexual dimorphism, - Dealing with limited sample sizes and potential sampling…

    On the importance of body-size proxies when scaling sexual dimorphism: A case study in Mustelidae · 2026 · DOI

  • Investigating the role of additional biological or ecological factors in shaping diversification rates, - Examining the impact of geography on diversification rates in other avian clades, - Integrating phylogenetic bioregionalization with other methods to study biogeographic…

    The historical biogeography of the New World blackbirds (Icteridae) · 2026 · DOI

  • Further fieldwork is needed to test these hypotheses, - Extensive fieldwork and petrography are needed, - Exploration of the geology and paleontology of Nameriyek…

    Geochronology and Field Observations from Oligocene Nameriyek, Turkana County, Kenya · 2026 · DOI

  • Further study of the ontogeny of dental replacement in eutriconodontans - Investigation of the phylogenetic relationships of Dongoconodon and other…

    A polyphyodont, semiaquatic eutriconodontan mammal from the Early Cretaceous of China · 2026 · DOI

Most-cited papers in Evolution and Paleontology Studies

Most recent work

Find a gap in your own Evolution and Paleontology Studies sub-topic

This page shows what the Evolution and Paleontology Studies literature already flags as unresolved. To narrow it to your specific question, search the Research Gap Finder: the search is free with a free account and lists the papers closest to your topic first. Unlocking that topic (50 credits, charged once) fills the comparison table from our 4.5M-paper local library and writes the gaps from its rows.

Open the Research Gap Finder →

Related topics in Earth and Planetary Sciences

Atmospheric chemistry and aerosols
689 open questions
Marine and coastal ecosystems
481 open questions
Oceanographic and Atmospheric Processes
390 open questions
Archaeology and ancient environmental studies
377 open questions
Marine and coastal plant biology
318 open questions
Cryospheric studies and observations
316 open questions
Geology and Paleoclimatology Research
283 open questions
Climate change and permafrost
262 open questions
Open questions raised by papers listed on this page include: (1) The taphonomic processes governing the formation and preservation of the Hipparion Red Clay assemblages remain largely unexplored (“Formation processes of Late Miocene Hipparion Red Clay vertebrate assemblages…”, 2026); (2) The relationships between the species in the Balkan-Anatolian province are not well understood (“A new Oligocene genus of the Spalacidae (Rodentia) from the Balkan–Anatolian…”, 2026); (3) The lack of genetic sequencing data makes it difficult to confirm the relationships between species in the group (“OP-394- Revisiting Subfossil Small-eared Shrews of the Genus Cryptotis Pomel,…”, 2026); (4) The lack of thylacine dissection data to assess the soft tissues housed by the infraorbital foramen (“Skull morphology of the extinct Tasmanian tiger suggests unique biting style”, 2026); (5) The lack of integration of phylogenetic bioregionalization and geography-dependent diversification modeling in prior studies (“The historical biogeography of the New World blackbirds (Icteridae)”, 2026). 114 gap statements have been mined from Evolution and Paleontology Studies papers in our 4.5M-paper local library, which holds 526 papers on the topic; the gaps come from whichever of those papers state one. They are mostly the research gaps the authors state and the papers' abstracts, plus future-work, limitations and challenges passages. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one, so you can read the original claim in context.

Tools for your next paper

Gaps & Literature SearchFind open questions in any field — 120,000+ open gaps mined from our own library.Pre-CheckIs your paper ready? Acceptance odds for top, mid and open/emerging journals, in seconds.Journal FinderA ranked shortlist of target journals from a 17,500-venue index.Duplicate Publication CheckerCheck for prior publication across 7 sources and our local library.Citation GeneratorFreeA DOI or title → APA, MLA, Vancouver, Chicago, BibTeX, RIS. No signup.Graphical Abstract MakerFreeTurn your findings into a colorblind-safe graphical abstract.

How Pre-Check worksHow AI Review works

Compare the category — Honest roundups of the AI research tools, ours listed alongside the alternatives.

Command palette

Jump anywhere, run any action.