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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.
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 ...
Animantarx ( / ænɪˈmæntɑːrks / ann-i-MAN-tarks; meaning 'living citadel') is a genus of nodosaurid ankylosaurian dinosaur from the Early and Late Cretaceous of western North America. Like other nodosaurs, it would have been a slow-moving quadrupedal herbivore covered in heavy armor scutes, but without a tail club.
Belemnoids are an extinct group of marine cephalopod, very similar in many ways to the modern squid. Like them, the belemnoids possessed an ink sac, [1] but, unlike the squid, they possessed ten arms of roughly equal length, and no tentacles. [2] The name "belemnoid" comes from the Greek word βέλεμνον, belemnon meaning "a dart or arrow ...
Dolmen. Poulnabrone dolmen, the Burren, County Clare, Ireland. Dolmens in Amadalavalasa, Andhra Pradesh, India. A dolmen ( / ˈdɒlmɛn /) or portal tomb is a type of single-chamber megalithic tomb, usually consisting of two or more upright megaliths supporting a large flat horizontal capstone or "table".
Sauk family photographed by Frank Rinehart in 1899. Family (from Latin: familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). It forms the basis for social order. [1]
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 ...
Family ( Latin: familia, pl.: familiae) is one of the nine major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between order and genus. [1] 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 ...