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Mespilia globulus, the globular sea urchin, sphere sea urchin, or tuxedo urchin (trade name), is a sea urchin occurring in tropical shallow reef habitats. [1] The specific name refers to a small ball or spherule, describing its overall shape/morphology. [1] It is the only species in the genus Mespilia. [2]
Toxopneustes pileolus, commonly known as the flower urchin, is a widespread and commonly encountered species of sea urchin from the Indo-West Pacific. It is considered highly dangerous, as it is capable of delivering extremely painful and medically significant stings when touched.
This is a forest area. 10 acres 4.0 ha: St. Louis: Howell Island Conservation Area: This island area is mostly forest surrounded by the Missouri River and Centaur Chute. 2,707 acres 1,095 ha: St. Louis, St. Charles
It is called "Dutch" from Deutsch, i.e., "German", as it was the southern center of German-American settlement in St. Louis in the early 19th century. [2] It was the original site of Concordia Seminary (before it relocated to Clayton, Missouri ), Concordia Publishing House , Lutheran Hospital, and other German community organizations.
Leodia sexiesperforata, commonly known as the six-holed keyhole urchin, [2] is a species of sand dollar, in the echinoderm order Clypeasteroida. It is native to tropical and sub-tropical parts of the western Atlantic Ocean where it buries itself in soft sediment in shallow seas.
Urchin Software Corporation, a US web analytics company owned by Google Urchin (software), a series of web analytics developed by the Urchin Software Corporation (now Google Analytics) "Urchin" was the code name for the modulated neutron initiator design used in the earliest American implosion atomic bombs
Bald sea urchin disease is a bacterial disease known to affect several species of sea urchins in the Mediterranean Sea, North Atlantic and along the California coastline. Research suggests two pathogens are responsible for the disease, Listonella anguillarum and Aeromonas salmonicida .
Coelopleurus exquisitus, the exquisite urchin, is a sea urchin species found off the coast of the island of New Caledonia in the Pacific Ocean. It is an epifaunal deepwater species living at depths between 240 and 520 m (790 and 1,710 ft) and was only identified and named in 2006.