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In naval terminology, a destroyer is a fast, maneuverable, long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against powerful short range attackers. They were originally developed in 1885 by Fernando Villaamil for the Spanish Navy as a defense against torpedo boats, and by the time of the Russo-Japanese War in 1904, these "torpedo boat destroyers" (TBDs) were "large, swift, and powerfully armed torpedo boats designed to destroy other torpedo boats". Although the term "destroyer" had been used interchangeably with "TBD" and "torpedo boat destroyer" by navies since 1892, the term "torpedo boat destroyer" had been generally shortened to simply "destroyer" by nearly all navies by the First World War.
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Edrioasteroidea is an extinct class of echinoderms. The living animal would have resembled a pentamerously symmetrical disc or cushion. They were obligate encrusters and attached themselves to inorganic or biologic hard substrates.
RMS Titanic was a British passenger liner, operated by the White Star Line, which sank in the North Atlantic Ocean on 15 April 1912 after striking an iceberg during her maiden voyage from Southampton, UK, to New York City. Of the estimated 2,224 passengers and crew aboard, more than 1,500 died, which made the sinking possibly one of the deadliest for a single ship up to that time. It remains to this day the deadliest peacetime sinking of a superliner or cruise ship. The disaster drew much public attention, provided foundational material for the disaster film genre, and has inspired many artistic works.
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Lepidodiscus is an extinct genus of prehistoric echinoderms in the class Edrioasteroidea.
Agelacrinitidae is an extinct family of prehistoric echinoderms in the class Edrioasteroidea.
References
- ↑ Phylogenetic implications of ontogenetic development in the class Edrioasteroidea (Echinodermata). BM Bell, Journal of Paleontology, 1976
- Isorophida at fossilworks
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