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Dictionary » T » Trilobites

Trilobites

trilobite

(Science: paleontology) Any one of numerous species of extinct arthropods belonging to the order trilobita. Trilobites were very common in the silurian and devonian periods, but became extinct at the close of the paleozoic. So named from the three lobes usually seen on each segment.

Origin: Cf. F. Trilobite. See Trilobate.


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What do you do when talking to creationists?

... do you like to use? Two points: (1) There are some clean examples of fossil groups that should (in the YEC model) be found together - like trilobites and crabs or large mammals and dinosaurs. Why are large concentrations of mixed species mammalian bones often found together, but never mixed ...

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by FriarBroccoli
Sat Jan 18, 2014 2:40 am
 
Forum: Evolution
Topic: What do you do when talking to creationists?
Replies: 4
Views: 1514

Re: Theories - Origin of Life

Canolan Thank you for unlocking this thread. Whether it's humans, Trilobites, Brachiopods or any other form of life,there is no scientific answer. There are only hypotheses. However from the evidence of the Cambrian strata complex multi=celled creatures first ...

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by scottie
Thu Nov 10, 2011 4:22 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 559
Views: 756150

Re: Theories - Origin of Life

Gavin Organisms such as Trilobites of the Phylum Arthropoda, have articulated body plans, intricate nervous systems and compound eyes. They first appear fully formed at the beginning of the Cambrian strata along with many other phyla ...

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by scottie
Tue Nov 01, 2011 12:22 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 559
Views: 756150

Theories - Origin of Life

... Myxomycetes). Some terrestrial civilization can not leave behind a "relic" - coelenterates, sponges (archeocyathids), marine polychaete (trilobites), rakoskorpions, siphonophores, salps, cephalopods, and pikaias. Well, the question of how to achieve the welfare, thus, is a question of ...

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by LeoPol
Mon Sep 05, 2011 8:29 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 559
Views: 756150

Re: Evolution of sexual reproduction

... examples of basic animal body plans are cnidarians (corals and jellyfish), mollusks (squids and shellfish), arthropods (crustaceans, insects, and trilobites), echinoderms (sea star and sea urchins), and the chordates (animals with backbones), the phylum to which all vertebrates including humans ...

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by jevg
Tue Aug 24, 2010 7:21 pm
 
Forum: Evolution
Topic: Evolution of sexual reproduction
Replies: 29
Views: 29610
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