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Fossil frogs are rarely found as multiple articulated skeletons, therefore the discovery of this taxon has provided important insight into anuran evolution. [ 5 ] [ 6 ] The holotype , IVPP V11525, is known from a nearly complete skeleton exposed in a dorsal view on a shale slab.
The quadrate bone is a skull bone in most tetrapods, including amphibians, sauropsids (reptiles, birds), and early synapsids. In most tetrapods, the quadrate bone connects to the quadratojugal and squamosal bones in the skull, and forms upper part of the jaw joint.
They have an average skull width of 12.02±0.36 mm and an average skull length of 9.38±0.14 mm. [8] The dorsal body of H. japonica is green/brown and the ventral body is white. [5] H. japonica is also characterized by a dark spot on the upper lip below the eye. [5] Female H. japonica, on average, are larger in size compared to male H. japonica ...
Temporal fenestrae in relation to the other skull openings in the dinosaur Massospondylus, a type of diapsid. The supratemporal fenestra, also called the upper temporal fenestra, is positioned above the other fenestra and is exposed primarily in dorsal (top) view. In some reptiles, particularly dinosaurs, the parts of the skull roof lying ...
This species is a relative large frog with a snout–to–vent length of 5.8 to 8 cm (2.3–3.1 in). It has numerous sharp, pointed projections on the head and dorsal surface, hence the common name. [7] The skin on the head is fused to the skull and the tympanum is very large. The legs are long and slender and the digits have adhesive discs at ...
1.9.3 Ghatixalus magnus (large-sized Ghat tree frog) 1.9.3.1 Ghatixalus asterops (Ghat tree frog) ... Dorsal view. Ventral view. Lateral view. Calling. Front view ...
The critter’s robust skull had additional bones and elements that have likely disappeared with evolution, and its elongated snout paired with a short region of the skull behind the eyes was ...
The skull of the dromaeosaurid dinosaur Dromaeosaurus, with the quadratojugal (light blue) labelled. Several Triassic reptiles reacquire the lower temporal bar, albeit with the jugal forming most of the bar's length. In these reptiles, the quadratojugal is a small L- or T-shaped bone at the rear edge of the skull.