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The Theraphosinae are a large subfamily of Mygalomorphae spiders in the family Theraphosidae found primarily in the Neotropical realm. Genera
All types of tarantulas have two sets of book lungs (breathing organs); the first pair is located in a cavity inside the lower front part of the abdomen near where the abdomen connects to the cephalothorax, and the second pair is slightly farther back on the abdomen. Air enters the cavity through a tiny slit on each side of and near the front ...
Spider book lungs (cross section) Spiders have developed several different respiratory anatomies, based either on book lungs or on tracheae. Mesothele and mygalomorph spiders have two pairs of book lungs filled with haemolymph, where openings on the ventral surface of the abdomen allow air to enter and oxygen to diffuse in and carbon dioxide to ...
The species was first described by Andreas Tinter in 1991, as Pseudotheraphosa apophysis. [1] Tinter purchased an individual under the name "Pamphobeteus exsul", but realized that it could not be correctly named, as it possessed stridulatory organs.
Hapalotremus is a genus of South American tarantulas in the Theraphosinae subfamily that was first described by Eugène Louis Simon in 1903. [2] They have red or white Type III urticating (relatively long, thin) hairs, [3] up to 1.2 millimetres (0.047 in), with a fine point and barbs along at least half of the lower part.
Bistriopelma has two distinctive patches of Type III urticating setae, which are located dorsolaterally on the abdomen, each with a long stripe of thicker setae, which runs diagonally to the longitudinal body axis.
The leader of a Japanese crime syndicate who was charged by U.S. authorities with trafficking nuclear materials from Myanmar pleaded guilty on Wednesday, the U.S. Justice Department said in a ...
Both lungs are unchambered sacs. The larger right lung reaches the whole length of the body cavity, while the smaller left lung extends to the stomach. A slit-like opening called the glottis located on the ventral side of the oesophagus leads to the right lung, and a separate opening on the right lung leads to the left lung. [10]