OBIS, the Ocean Biodiversity Information System, is a global open-access data and information clearing-house on marine biodiversity for science, conservation and sustainable development. 5.5 MYA. It is a genus of fenestrate bryozoans, defined by a corkscrew-shaped axial support column and spiraling mesh-like fronds attached to the column.

Taxon (singular)—In taxonomy, a unit of any rank, such as a particular species, family, or class; also, the name applied to that unit. Def. Phylum Mollusca 477 Class Bivalvia 477 Order Carditida 477 Family Astartidae 477 Species. E. kingii is one of the most common trilobite fossils in the USA. Cnidaria: Cnidarians include jellyfish, sea anemones, and corals. Kingdom is the broadest division. It is the type genus of Rhomboporidae. Coral fossil - download this royalty free Stock Photo in seconds. ... Genus: Septastrea. (International Commission on Zoological Nomenclature) prohibit ever using the nomen undum again in taxonomy.

Phylum Bryozoa or Ectoprocta: Bryozoans or "moss animals" are colonial invertebrates that resemble corals. Kingdom is the broadest division. genus Septastrea species Astrea marylandica Name Homonyms Septastrea marylandica (Conrad, 1841) View classification. The individual animals are known as polyps and have a cylindrical body crowned by an oral disc in which a mouth is fringed with tentacles. Sister taxa: Arctangia, Astrangia, Bathangia, Cladangia, Cryptangia, Culicia, Oulangia, Phyllangia, Platyhelia, Reussangia, Rhizangia, Symbiangia. No membership needed. Taxonomic (classification) rules established by the I.C.Z.N. It has a very rounded body, a big globular head, and compound eyes : Phacops . There are seven divisions in the system: (1) Kingdom; (2) Phylum or Division; (3) Class; (4) Order; (5) Family; (6) Genus; (7) Species. Astarte is the name of a genus. Broken fragments of Archimedes are common in Mississippian rocks of both eastern and western Kentucky. Although some species are solitary, most are colonial. This genus has been defined under the rules of the International Code of Zoological Nomenclature (ICZN). Hexagonaria is a common constituent of the coral reefs exposed in Devonian Fossil Gorge below the Coralville Lake spillway, and in many exposures of the Coralville Formation in the vicinity of Coralville, Iowa. Genus of trilobite species that lived during the Middle Cambrian of Utah, and possibly British Columbia. Medium-sized trilobite with a smooth sub-ovate carapace that is tapered towards the rear. 4 MYA. Thorax is usually 13 segments. Classification, or taxonomy, is a system of categorizing living things. Biological classification systems have a long history. Pygidium has four axial rings and a long terminal piece.

Genus: Dielasma Powered by Create your own unique website with customizable templates.

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