Dikelocephalidae

	Dikelocephalidae Dikelocephalidae is a family (biology), family of trilobites, that lived during the Upper Cambrian. Relatively large eyes close to the Trilobite#Cephalon, glabella, is a shared characteristic. The following genera have been assigned to this family: ''Berkeia'' ''Blandicephalus'' ''Briscoia'' ''Camaraspoides'' ''Dikelocephalus'' ''Elkia'' ''Goumenzia'' ''Hoytaspis'' ''Iranella'' ''Kasachstanaspis'' ''Monocheilus'' ''Olimus'' ''Osceolia'' ''Parabriscoia'' ''Patalolaspis'' ''Princetonella'' ''Pterocephalops'' ''Randicephalus'' ''Stigmacephalus'' ''Taebaeksaukia'' ''Walcottaspis'' References Dikelocephalidae, Dikelocephaloidea Trilobite families Cambrian first appearances Cambrian extinctions {{asaphida-stub ... [...More Info...] [...Related Items...] OR:* [Wikipedia] [Google] [Baidu]
	Taebaeksaukia ''Taebaeksaukia spinata'' is a species of trilobites in the family Dikelocephalidae, which existed in what is now Korea during the upper Furongian The Furongian is the fourth and final epoch and series of the Cambrian The Cambrian ( ) is the first geological period of the Paleozoic Era, and the Phanerozoic Eon. The Cambrian lasted 51.95 million years from the end of the preceding ... period. It was described in 2011, and is the only species in the genus ''Taebaeksaukia''. References Dikelocephalidae Asaphida genera Cambrian trilobites Fossil taxa described in 2011 Monotypic trilobite genera Prehistoric arthropods of Asia {{Asaphida-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Dikelocephalus ''Dikelocephalus'' is a genus of very large trilobites of up to long, that lived during the last 3 million years of the Cambrian (Sunwaptan). Their fossils are commonly found as disarticulated sclerites, in the upper Mississippi Valley (northeastern Iowa, southeastern Wisconsin, central to western Wisconsin) and in Canada (Alberta). The exoskeleton is rounded anteriorly, with the thorax and sides of the tailshield (or pygidium) slightly tapering to about × of the width across the base of the spines at the back of the headshield (or cephalon). At the side corners of the pygidium there may be triangular or hooked spines, pointing backwards, while between the spines the posterior margin is at a 30-75° angle with the lateral margin, gently convex or nearly straight. If pygidial spines are lacking, the margin is gradually rounded. The thorax has 12 segments. Distribution The oldest known specimens of ''Dikelocephalus'' have been found in the upper part of the Tunnel City Group. S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Elkia ''Elkia'' is an extinct genus of trilobite in the order Asaphida Asaphida is a large, morphologically diverse order of trilobites found in marine strata dated from the Middle Cambrian until their extinction during the Silurian. Asaphida contains six superfamilies (Anomocaroidea, Asaphoidea, Cyclopygoidea, Di .... References Dikelocephalidae Asaphida genera Articles created by Qbugbot {{Asaphida-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Family (biology) Family (, : ) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between order and genus. A family may be divided into subfamilies, which are intermediate ranks between the ranks of family and genus. The official family names are Latin in origin; however, popular names are often used: for example, walnut trees and hickory trees belong to the family Juglandaceae, but that family is commonly referred to as the "walnut family". The delineation of what constitutes a family—or whether a described family should be acknowledged—is established and decided upon by active taxonomists. There are not strict regulations for outlining or acknowledging a family, yet in the realm of plants, these classifications often rely on both the vegetative and reproductive characteristics of plant species. Taxonomists frequently hold varying perspectives on these descriptions, leading to a lack of widespread consensus within the scientific community ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Trilobite Families Trilobites (; meaning "three-lobed entities") are extinction, extinct marine arthropods that form the class (biology), class Trilobita. One of the earliest groups of arthropods to appear in the fossil record, trilobites were among the most successful of all early animals, existing in oceans for almost 270million years, with over 22,000 species having been described. Because trilobites had wide diversity and an easily fossilized mineralised exoskeleton made of calcite, they left an extensive fossil record. The study of their fossils has facilitated important contributions to biostratigraphy, paleontology, evolution, evolutionary biology, and plate tectonics. Trilobites are placed within the clade Artiopoda, which includes many organisms that are morphologically similar to trilobites, but are largely unmineralised. The relationship of Artiopoda to other arthropods is uncertain. Trilobites evolved into many ecological niches; some moved over the seabed as predators, scavengers, or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Journal Of Paleontology The ''Journal of Paleontology'' is a peer-reviewed scientific journal covering the field of paleontology. It is managed and published by Cambridge University Press on behalf of the Paleontological Society. Indexing The ''Journal of Paleontology'' is indexed in: BIOSIS Previews Science Citation Index The Zoological Record GeoRef __NOTOC__ The GeoRef database is a bibliographic database that indexes scientific literature in the geosciences, including geology. Coverage ranges from 1666 to the present for North American literature, and 1933 to the present for the rest of th ... References Paleontology journals Academic journals established in 1927 Academic journals published by learned and professional societies Cambridge University Press academic journals Bimonthly journals Paleontological Society {{paleo-journal-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]