trilobite

(redirected from Trilobites)
Also found in: Thesaurus, Medical, Encyclopedia.

tri·lo·bite

 (trī′lə-bīt′)
n.
Any of numerous extinct marine arthropods of the class Trilobita, of the Paleozoic Era, having a segmented body divided by grooves into three longitudinal lobes and found as fossils throughout the world.

[New Latin Trilobītēs, former class name, from Greek trilobos, three-lobed : tri-, tri- + lobos, lobe.]

tri′lo·bit′ic (-bĭt′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

trilobite

(ˈtraɪləˌbaɪt)
n
(Palaeontology) any extinct marine arthropod of the group Trilobita, abundant in Palaeozoic times, having a segmented exoskeleton divided into three parts
[C19: from New Latin Trilobītēs, from Greek trilobos having three lobes; see tri-, lobe]
trilobitic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

tri•lo•bite

(ˈtraɪ ləˌbaɪt)

n.
any marine arthropod of the extinct class Trilobita, from the Paleozoic Era, having a flattened oval body in three vertical segments.
[1825–35; < New Latin Trilobites= Greek trílob(os) three-lobed (see tri-, lobe) + -ītēs -ite1]
tri`lo•bit′ic (-ˈbɪt ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

tri·lo·bite

(trī′lə-bīt′)
Any of numerous extinct and mostly small arthropods that lived during the Paleozoic Era. Trilobites had a hard outer covering divided into three lengthwise and three widthwise sections. Horseshoe crabs are considered to be their closest living relatives.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.trilobite - an extinct arthropod that was abundant in Paleozoic timestrilobite - an extinct arthropod that was abundant in Paleozoic times; had an exoskeleton divided into three parts
arthropod - invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
References in classic literature ?
For instance, I cannot doubt that all the Silurian trilobites have descended from some one crustacean, which must have lived long before the Silurian age, and which probably differed greatly from any known animal.
How far off yet is the trilobite! how far the quadruped!
Previous research has suggested that trilobites - an exceedingly well-known group of extinct seagoing arthropods - had mineralized lenses in life.
One of these creatures that vaguely resembles modern-day horseshoe crabs (which are the closest living relatives of ancient trilobites) was apparently a fierce predator, using its spiny claws to catch prey in the seafloor.
You can see Roary the allosaurus, along with other dinosaur fossils, a sabre-tooth tiger, giant ammonites, the Coseley Spider and Dudley Bug trilobites. Upstairs there are stunning displays of colourful crystals as part of an exhibition of local rocks and minerals.
Armoured, bottom-dwelling marine creatures called trilobites were among the many victims, though some species survived.
Iranian Late Devonian trilobites are presently best documented from Central Iran.
Trilobites first appeared around 521 million years ago and thrived throughout the lower Paleozoic era before going extinct some 250 million years ago or well before the first dinosaurs appeared on the scene.
She has discovered new species of trilobites. Trilobites are sea animals that lived a long time ago but are extinct now.
Examining in detail at least one amazing fossil site in every state in "101 American Fossil Sites You've Gotta See ", Albert Dickas clearly explains the critters preserved in the rocks, from sharks and rhinoceroses to trilobites and horn corals.
The area contains abundant fossils, including ancient corals and trilobites, but only recently did anyone discover that these particular rock samples also contained the crinoid holdfasts.