Results 191 to 200 of about 43,556 (278)

The timing and nature of marine ecosystem recovery following the Permian-Triassic mass extinction. [PDF]

open access: yesNPJ Biodivers
Nicholls AL   +5 more
europepmc   +1 more source

Allometric patterns in Rhamphorhynchus muensteri and their role in the paleoecology, life habits, and taxonomic framework of pterosaurs

open access: yesJournal of Anatomy, Volume 249, Issue 5, Page 1005-1020, November 2026.
The Graphical Abstract ilustrates the different allometric pattern within different Pterosauria groups, highlighting how the allometry influences the flight and habits of Pterosauria. Abstract Pterosaurs were the first vertebrates to achieve powered flight, a result of various unique anatomical adaptations, and significant morphological diversity ...
Gabriela Menezes Cerqueira   +6 more
wiley   +1 more source

Highly aquatic marine stem archosaur with soft tissue preservation. [PDF]

open access: yesSci Adv
Wang W   +7 more
europepmc   +1 more source

A bristle‐nosed Jurassic ray‐finned fish (Actinopterygii) bears true dermal odontodes on its snout

open access: yesJournal of Anatomy, Volume 249, Issue 5, Page 1021-1032, November 2026.
Teeth show extreme diversity, including tooth‐like dermal odontodes or “skin teeth” in many extant fishes. We describe the anatomy of enlarged tubercles on the snout of Redfieldius, an extinct early Jurassic fish. We found that the tubercles in Redfieldius are dermal odontodes that evolved independently from those of living species. Abstract Comparison
Jack Stack   +2 more
wiley   +1 more source

Population genomics of heterosporous lycophytes: allopatric speciation and historical persistence through paleoclimatic fluctuations

open access: yesThe Plant Journal, Volume 128, Issue 3, November 2026.
SUMMARY Speciation is the fundamental process driving the origin of earth biodiversity. While speciation mechanisms have been revealed in many plant taxa, the evolutionary dynamics of heterosporous lycophytes remain largely unexplored. Here, we used the Selaginella sanguinolenta group, comprising seven montane species in eastern Asia, as a model system.
TongXin Ye   +5 more
wiley   +1 more source

Endothermy, neuron counts, and other issues: Further remarks on neurocognitive evolution in fossil vertebrates. [PDF]

open access: yesAnat Rec (Hoboken)
Caspar KR   +5 more
europepmc   +1 more source

On the Origin of the Tingidae (Insecta, Heteroptera)

open access: yesZoologica Scripta, Volume 55, Issue 6, Page 876-892, November 2026.
ABSTRACT The hypothesis of a Gondwanian origin of the family Tingidae (Insecta, Heteroptera) has been promoted and seems to be generally accepted by specialists. However, the area of emergence and diversification of the clade, South American or Australian, is still debated and cannot be solved without integrating Vianaidinae, a subfamily considered as ...
Gilardet Rémy   +3 more
wiley   +1 more source

Buried fragments reveal a "Greater Gondwana" supercontinent. [PDF]

open access: yesSci Adv
Wang T   +6 more
europepmc   +1 more source

EMIT Reveals Elevated Calcite Signatures in Shorelines of Lake Powell and Lake Mead Exposed by Drought and Colorado River Management

open access: yesGeophysical Research Letters, Volume 53, Issue 20, 28 October 2026.
Abstract Nearly half of Earth’s seasonal freshwater storage variability occurs in human‐managed reservoirs, resulting in large areas of reservoir‐bed that are episodically inundated or subaerially exposed. Here we use hyperspectral data from NASA’s Earth Surface Mineral Dust Source Investigation (EMIT) mission to map calcite mineral assemblages across ...
Michael R. Fischella   +9 more
wiley   +1 more source

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