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In plant biology, the perforations in a perforate leaf are also described as fenestrae, and the leaf is called a fenestrate leaf. The leaf window is also known as a fenestra, [5] and is a translucent structure that transmits light, as in Fenestraria.
Knoetschkesuchus is a genus of small atoposaurid crocodylomorph from the Late Jurassic of Germany and Portugal.Two species are known: the German species K. langenbergensis, described by Schwarz and colleagues in 2017 based on two partial skeletons and various isolated bones; and the Portuguese species K. guimarotae, named from over 400 specimens including several partial skeletons.
Temporal fenestrae are commonly (although not universally) seen in the fossilized skulls of dinosaurs and other sauropsids (the total group of reptiles, including birds). [1] The major reptile group Diapsida , for example, is defined by the presence of two temporal fenestrae on each side of the skull.
Chart illustrating leaf morphology terms. The following terms are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (that is, the leaf blade or 'lamina' is undivided) or compound (that is, the leaf blade is divided into two or more leaflets). [1]
Scelidosaurus still had the five pairs of fenestrae (skull openings) seen in basal ornithischians: apart from the nostrils and eye sockets which are present in all basal dinosaurs, the fenestra antorbitalis and the upper and lower temporal fenestrae were not closed or overgrown, as with many later armoured forms. In fact, the upper temporal ...
An antorbital fenestra (plural: fenestrae) is an opening in the skull that is in front of the eye sockets. This skull character is largely associated with archosauriforms, first appearing during the Triassic Period. Among extant archosaurs, birds still possess antorbital fenestrae, whereas crocodylians have lost them. The loss in crocodylians ...
Fenestranes, from left to right: generic fenestrane, [4.4.4.4]fenestrane with carbon atoms shown and [5.5.5.5]fenestrane. A fenestrane in organic chemistry is a type of chemical compound with a central quaternary carbon atom which serves as a common vertex for four fused carbocycles. [1]
As a typical archosaur, Batrachotomus had two antorbital fenestrae between the orbits and nostrils, and a fifth pair of small openings at the rear part of the lower jaw. The jaws contained sharp teeth which were compressed laterally and unequal in size and shape, [ 7 ] [ 9 ] and this variation of tooth shape is known as heterodonty .
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