hidden details about the earliest ancestors of modern reptiles, prompting fresh scientific insights. A diminutive fossil jaw unearthed in southern Brazil is shedding light on a missing chapter of reptile evolution that eventually led to today’s lizards,...

of the mouth is termed a preoral chamber. Buccal cavity: The triradiate mouth opens into the buccal cavity. Three crescent jaws are embedded in the mucous membrane of the buccal cavity. One jaw is mid-dorsal in position and the other two are...

their associated ducts, and a pair of fangs. In venomous snakes, these glands are situated on either side of the upper jaw, likely derived from superior labial glands or parotid glands. Each gland is sac-like and contains a narrow duct at its anterior...

is turning heads for a much quieter object with a much louder mystery: scallop shells deliberately placed near a woman’s jaw. This is the kind of detail archaeologists rarely see, not because shells are impossible to find, but because their positioning...

Ancient marine worm jaws unveil a pressure‑responsive material that mimics metal strength, prompting the proposal of a new class of biological materials. A team of scientists from TU Wien and the University of Vienna has uncovered a previously...

micro‑fossil reveals a hidden discovery that stunned scientists after millions of years of preservation. A fragmentary jaw recovered from Queensland’s Riversleigh World Heritage Area has reshaped the evolutionary story of Australia’s carnivorous...

sits near the split between the lineage that gave rise to lemurs and the branch leading to monkeys, apes and humans. Wyoming Jaw Fossils Reveal an Unnamed Primate Excavations at the sandstone outcrop known as Tim’s Confession, part of the Smiley Draw...

Fossilized jaws dating back 100 million years reveal a terrifying ancient ocean predator that earns its reputation as a real-life kraken. For generations, the legend of the kraken dominated maritime folklore, capturing the imaginations of sailors with...

originated from a sandstone layer nicknamed “Tim’s Confession,” which yielded nearly a thousand fragments of upper and lower jaws bearing teeth. The creature belongs to the omomyids, an extinct lineage of true primates that occupied a position near the...

rock formations. Meanwhile, Glikmanius careforum yielded more substantial evidence, including portions of a juvenile’s jaw and gills, providing researchers with a clearer understanding of its physical anatomy and potential behavior. Shifting the...

the closing stages of the Cretaceous period. The fossilized remains, which include well-preserved sections of the skull, jaw, vertebrae, and limbs, were recovered from the Dakhla Shale near Teneida in Egypt’s Western Desert. Recovered by a team from the...

evolution The remains were recovered in the municipality of Dona Francisca, Rio Grande do Sul, and consist of a partial lower jaw, sections of the vertebral column and parts of the pelvis. Researchers say the find clarifies the composition of early...

teeth are lodged in rabbits in sockets or alveoli so it is called thecodont dentition. But in frogs, teeth are fused with the jaw bones. The teeth found in the rabbit are situated only on the edges of the jaws, while the vomerine teeth are absent. Teeth...

nerve Somatic Sensory nerve mixed nerve. Antero-lateral part of medulla oblongata (a) Skin of snout, (b) Skin of the upper jaw and lower eye lid, and (c) Muscles of the lower jaw and its skin. Abducens nerve — Somatic motor nerve Ventral side of the...

the skin of snout. It is sensory in nature. Maxilary Nerve: It runs below the eye ball and supplies to the skin of upper jaw. It is also sensory in nature. Mandibular Nerve: It runs along the outerside of the lower jaw and innervates muscles and skin....

individuals, one set of remains appears to belong to a child under twelve years of age. Archaeologists also recovered the jaw and teeth of a large herbivore—likely cattle or buffalo—though further analysis is needed to determine whether the animal was...

snapshot of pterosaur reproductive biology. One embryo, in particular, retains a portion of a wing and a complete lower jaw, offering anatomical details that flattened fossils cannot provide. The large sample also opens the possibility of statistical...

Fossil teeth and jaw fragments unveil a new sixth order in Australidelphia, shedding light on an early marsupial evolutionary branch. Paleontologists led by Tim Churchill at the University of New South Wales have introduced three previously unknown...

visualised a complex assemblage of fish bones, belemnite fragments, shell pieces and, crucially, fragments of a pterosaur jaw. The pterosaur element was identified as belonging to a flying reptile, providing the first unequivocal proof that ichthyosaurs...

than a decorative observation. First described in 1864, Bonwill’s Triangle illustrates the geometric balance underlying human jaw movement. © Journal of Mathematics and the Arts In an interview with The Independent, Mac Sweeney noted, “The clue was in...