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Selinenes are a group of closely related isomeric chemical compounds which are classified as sesquiterpenes.The selinenes all have the molecular formula C 15 H 24 and they have been isolated from a variety of plant sources.
Cincta is an extinct class of echinoderms that lived only in the Middle Cambrian epoch. [1] Homostelea is a junior synonym. [2] The classification of cinctans is controversial, but they are probably part of the echinoderm stem group.
Megalomys is a genus of rodent in the family Cricetidae, part of the tribe Oryzomyini.The genus contains five large rodents from various Caribbean islands, of which two are known to have survived into modern times, but all of which are now extinct.
Travaux et Mémoires de L'Institute des Hautes Estudes de L'Amérique Latine 6; W. Jones. 1918. A Geological Reconnaissance in Haiti a Contribution to Antillean Geology. Journal of Geology 26(8):728-752; M. J. Rathbun. 1923. Fossil Crabs from the Republic of Haiti. Proceedings of the United States National Museum 63:1-6; H. E. Vokes and E. H ...
The Qingjiang biota are a major discovery of fossilized remains dating from the early Cambrian period approximately 518 million years ago. [1] The remains consist at least 20,000 individual specimens, and were discovered near the Danshui River in the Hubei province of China in 2019. [2]
Protoceratidae is an extinct family of herbivorous North American artiodactyls (even-toed ungulates) that lived during the Eocene through Pliocene.While early members of the group were hornless, in later members males developed elaborate cranial ornamentation.
Soricomorpha (from Greek "shrew-form") is a formerly used taxon within the class of mammals.In the past it formed a significant group within the former order Insectivora. ...