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The body of Acutiramus was very slender, with members of the genus being almost five times as long as they were wide. [3] Acutiramus can be distinguished from other pterygotids by the distal margin of the chelae (pincers), where the final tooth is at an acute angle relative to the rest of the claw. The large tooth in the center of the claw is ...
Notably, P. barrandei and P. cobbi occur in marine environments associated with fossils of Acutiramus. P. anglicus is known both from the Old Red Sandstone [38] and the Campbellton formations, [39] both of which are examples of freshwater lake and river systems. [38]
Fossil chelicera of Acutiramus cummingsi. The massive chelicerae of the pterygotids were their primary distinguishing feature. Left to right, top to bottom: Jaekelopterus rhenaniae, Erettopterus bilobus, Pterygotus anglicus, Acutiramus macrophthalmus, Ciurcopterus ventricosus: Scientific classification; Domain: Eukaryota: Kingdom: Animalia ...
Fossils preserving digestive tracts have been reported from fossils of various eurypterids, among them Carcinosoma, Acutiramus and Eurypterus. Though a potential anal opening has been reported from the telson of a specimen of Buffalopterus , it is more likely that the anus was opened through the thin cuticle between the last segment before the ...
"The sale of Sue was a turning point, I think, [for] the commercial sale of fossils," Spencer Lucas, a curator of paleontology at the New Mexico Museum of Natural History and Science in ...
The private sale of fossils has attracted criticism from paleontologists, as it presents an obstacle to fossils being publicly accessible to research. [2] Most countries where relatively complete dinosaur specimens are commonly found have laws against the export of fossils. The United States allows the sale of specimens collected on private ...
In the United States, it is legal to sell fossils collected on private land. [7] In Mongolia and China the export of fossils is illegal. [9] [11] Brazil considers all fossils as federal assets and prohibits their trade since 1942, banned the permanent exports of holotypes and other fossils of national interest in 1990, and requires permits by the Ministry of Science, Technology and Innovation ...
Three dinosaur fossils from the Jurassic period will go under the hammer at a London auction on Thursday, with price estimates of millions of dollars. Christie's is offering the skeletons of an ...
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