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Belemnitida (or belemnites) is an extinct order of squid -like cephalopods that existed from the Late Triassic to Late Cretaceous. Unlike squid, belemnites had an internal skeleton that made up the cone. The parts are, from the arms-most to the tip: the tongue-shaped pro-ostracum, the conical phragmocone, and the pointy guard.
Dacosaurus (Sauvage, 1873) is a misspelling of Dakosaurus, and thus a synonym. [4] Dakosaurus andiniensis, meaning "biter lizard from the Andes", was first reported in 1985 from the Neuquén Basin, a very rich fossil bed in the Vaca Muerta, Argentina. However, it was not until 1996 that the binomen Dakosaurus andiniensis was erected. [3]
Belemnites (genus) Belemnites. (genus) Belemnites is a genus of an extinct group of cephalopods belonging to the order Belemnitida. These cephalopods existed in the Early Jurassic period from the Hettangian age (196.5–199.6 mya) to the Toarcian age (175.6–183.0). They were fast-moving nektonic carnivores. The scientific name Belemnites of ...
Belemnitina. Belemnitina is a suborder of belemnites, an extinct group of cephalopods. They have been identified as the oldest of all the belemnites and are likely the stockgroup for them. They were extant from the early Jurassic to the early Cretaceous. Their geographic distribution was mostly limited to Europe, although specimens have been ...
The Reporters' Lab at Duke University maintains a database of fact-checking organizations that is managed by Mark Stencel and Bill Adair. The database tracks more than 100 non-partisan organizations around the world. The Lab's inclusion criteria are based on whether the organization. examines all parties and sides;
The Fungi Portal. A fungus is any member of a large group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. The Fungi are classified as a kingdom that is separate from plants and animals. The discipline of biology devoted to the study of fungi is known as mycology or fungal ...
A fact is a true datum about one or more aspects of a circumstance. [1] Standard reference works are often used to check facts. Scientific facts are verified by repeatable careful observation or measurement by experiments or other means. For example, "This sentence contains words." accurately describes a linguistic fact, and "The sun is a star ...
The family of Barack Obama, the 44th president of the United States, is a prominent American family active in law, education, activism and politics. Obama 's immediate family circle was the first family of the United States from 2009 to 2017, and are the first such family of African-American descent. [1] His immediate family includes his wife ...