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'{{short description|Species of beetle}} {{about|the beetle|the dinosaur|Tyrannosaurus}} {{Speciesbox | parent_authority=Ratcliffe & Ocampo, 2001 | taxon = Tyrannasorus rex | authority = [[Brett C. Ratcliffe|Ratcliffe]] & [[Federico Carlos Ocampo|Ocampo]], 2001 }} '''''Tyrannasorus rex''''' was a species of [[beetle]] known to exist in the [[Miocene]] epoch and the sole member of the [[monotypic]] genus '''''Tyrannasorus'''''. A [[fossil]]ized example scarabaeoid was found embedded in the [[amber]] [[resin]] of ''[[Hymenaea protera]]'' in the [[Dominican Republic]]. The species was described by [[Brett C. Ratcliffe]] and [[Federico Carlos Ocampo]] in 2001.<rsddnbdnndndnkdldkdmfnx x bdbxbbxs bdnakskwkskdjdjdndndndnmctkcmjxjfjcjjfjjdjejjiotjfjjfjjxjdjjxjdjfjdjdjjzjsjdjdjdjjjdjdjdjjfdjkffkfkjfjfjfkfkffkkfkfkrrktfkfjfjfjtjktktktfjfkfjfjfjfkkffkfkkfkfkfkffkfkjfncbsbsdbdhsbxbdbdbbdbdxbxbbdbndcfnfnffnffffndbzbsbsbbsbsbddbdndnndndndndndndndjdjdxjjznznznznndhhglkjehklyhjekegehjyjjjynnnhehennnfshstjghcbenhwwttjajaarnataafmwmsfntstjagjsnffsmsmsnshehsagnananswfmmsymsmwfmsgmwymagkwmwgjwwkwykmhwmywnwgwgngebememegnegmgengemehmeymeyyegwmywmwghemegmegmwdnsnsgmegmsgmdmdmxmdmdd.dnenwgnenegmegknegghemehmjrdjdjdjdjdjdjdbdbdbbdvdsvvavsbdjdfjjtdbbsaavsbdhfjfjfjdjhzhzhsbzshdbdbdbbbvdjdjjdjdnhdnd be dinosaurus race headwork don't ost short 3 etail dinosaur very large dinosaur dinosaur tale 818 eatos fingers 221 port city in Eastern province no Terrano sautiniya dinosaur tale 8 fingers foot height work done toes shortener tail was having dry in a dinner for the right time Saras Rex gana Thevar special forces name="RatOca01"/> == Holotype == The observed specimen is assumed to be female based on similarities to the female specimens of the genus ''Apalonychus''. She was trapped in the resin produced by ''[[Hymenaea protera]]'', now also extinct. The [[amber]] was previously dated to [[Oligocene]] or [[Eocene]], but these datings are since considered incorrect, and it is accepted that the amber was formed between late [[Early Miocene]] and [[Middle Miocene]] (15–20 million years ago). The amber came from [[Dominican Republic]], probably from the mountain range north of [[Santiago de los Caballeros]]. It is too dark for ventral characteristics of the insect's body to be observed.<ref name="RatOca01"/> == Description == Unlike other hybosorids from the [[West Indies]], whose antennae are 10-segmented, ''Tyrannasorus rex'' had nine-segmented antennae. The species is most similar to the genera ''[[Coilodes]]'' and ''[[Apalonychus]]''; their shared characteristics include convex and not quite spherical body and reddish-brown colour. The most prominent difference between ''Coilodes'' and ''Tyrannasorus'' is in the shape of antennal club, which is slightly concave in ''Tyrannasorus'' but cup-shaped in ''Coilodes''. Furthermore, the former's [[Labrum (arthropod mouthpart)|labrum]] is wider than the latter's and, unlike the former's, the anterior margin of the latter's [[pronotum]] is sinuate. Species of the genus ''Apalonychus'' have a much more elongated club of the antenna compared to ''Tyrannasorus'' and, unlike ''Tyrannasorus'', eyes of the specimen are subglose and easily visible in dorsal view. Their labrum is also wider than that of ''Tyrannasorus'' and the anterior margin of their pronotum is not sinuate. As with other insects, the beetle's six legs consisted of a pair of prolegs, a pair of middle legs and a pair of posterior legs. The insect's [[elytra]] have a smooth surface.<ref name="RatOca01">{{cite journal|url=http://digitalcommons.unl.edu/entomologypapers/46/|title=''Tyrannasorus rex'' Ratcliffe and Ocampo, a New Genus and Species of Miocene Hybosorid in Amber from the Dominican Republic (Coleoptera: Scarabaeoidea: Hybosoridae)|date=2001|journal=The Coleopterists Bulletin|volume=55|issue=3|pages=351–355|last1=Ratcliffe|first1=Brett C.|last2=Ocampo|first2=Federico Carlos|doi=10.1649/0010-065X(2001)055[0351:TRRAOA]2.0.CO;2|jstor=4009640}}</ref> == Etymology == It was named after ''[[Tyrannosaurus|Tyrannosaurus rex]]'', the dinosaur, although its discoverers provide an [[etymology]] for the name based on the word ''[[Hybosorus]]'', the genus that formed the basis for the [[subfamily]], known as [[Hybosoridae]], to which the species belongs. The stem of the generic name is derived from the [[Latin]] ''tyrannus'', meaning "master" or "tyrannical", while the suffix ''-sorus'' means "pile" or "hump" in Latin. The name, "tyrannical hump", ultimately refers to the mound of sap in which the observed specimen was fatally trapped.<ref name="RatOca01"/><ref name="Alberta">{{cite book|title=Deep Alberta: Fossil Facts and Dinosaur Digs|date=2007|isbn=978-0-88864-481-7|publisher=[[University of Alberta]]|last=Acorn|first=John|pages={{Page needed|date=November 2017}}|url-access=registration|url=https://archive.org/details/deepalbertafossi00acor}}</ref> == References == {{Reflist}} {{Wikispecies|Tyrannasorus rex}} {{Taxonbar|from=Q2338326}} {{DEFAULTSORT:Tyrannasorus Rex}} [[Category:Scarabaeiformia]] [[Category:Prehistoric beetles]] [[Category:Fossil insects of the Caribbean]] [[Category:Miocene insects]] [[Category:Neogene Dominican Republic]] [[Category:Dominican amber]] [[Category:Fossils of the Dominican Republic]] [[Category:Fossil taxa described in 2001]] [[Category:Beetles described in 2001|†]] <!-- [[Category:Monotypic animal genera]] moved to genus redirect -->'