Animal fossil from the class of arthropods Trilobita, now extinct but abundant from the Cambrian to Silurian.
Trilobite - Any marine arthropod belonging to the class Trilobita, characterized by a three-lobed, over-shaped or elliptical outer skeleton consisting of a head, thorax, and pygidium, of which the first is covered by a continuous shield.
Figure Trilobites were a huge class of marine arthropods, whose modern relatives include horseshoe crabs, insects, and spiders. They can be found in rocks ranging in age from Cambrian (550 million years ago) to Permian time (240 million years ago). They all became extinct in the greatest decimation of life ever to occur on earth, at the end of the Permian Period.
Trilobites (phylum Arthropoda) are extinct marine invertebrate animals related to crabs, spiders, and insects. Trilobites are found among the oldest well-preserved fossils in the Lower Cambrian period. Cincinnati area rocks are filled with trilobite fragments, but only the hard outer skeletons are commonly found.
A member of now extinct marine arthropod.
an extinct arthropod that was abundant in Palaeozoic times; had an exoskeleton divided into three parts
an extinct insect, do a google search for it's images Gigvolt Man'o'war- LOL I was surprised they used a squid, but for some reason, he was cool
Paleozoic marine arthropods having three lobes longitudinally and transversely.
TRI-low-bite Extinct arthropod that was once very abundant. 522
an extinct marine arthropod. Arthropods are characterised by jointed appendages and segmented bodies. Crustaceans are modern day arthropods.
n. Phylum Arthropoda, Class Trilobita. A group of extremely prolific arthropods that went extinct 250 million years ago.
Extinct marine arthropods, ranging from the Cambrian to Permian periods. Distinctive three-section body plan with a chitinous exoskeleton.
An extinct crustacean of the subphylum trilobitomorpha.
These are among the earliest creatures to have a hard skeleton. They are related to modern crabs and shrimp. (Image)
fossil marine animal of many varieties and sizes that is used for jewelry and by collectors as a unique example of early geological periods. You can see many examples of these unusual creatures at Ralph Miller Jewelers.
An extinct underwater organism.
member of an extinct group of marine arthropods characterised by three body sections and bearing a superficial resemblance to a woodlouse. First appeared in the Cambrian and became extinct in the Permian.
( tri - loh - bite) An early stage in horseshoe crab development; it is the stage after hatching and before the first molt. This stage is so named because it resembles trilobites, an extinct ancient animal related to the horseshoe crab.
Common name for a class of extinct ocean arthropods that lived during the Paleozoic Era, about 540 million to 245 million years ago.
a group of animals, related to crustaceans, insects, and spiders, that was diverse and abundant during the Early Paleozoic (544 Ma+) and became extinct at the Permo-Triassic boundary (~225 Ma)
Trilobites were early invertebrates with a segmented body and an exoskeleton. Trilobites dominated the environment during the Cambrian Period (540 to 500 mya).
Trilobites are extinct arthropods that form the class Trilobita. They appeared at the start of the Cambrian period and flourished throughout the lower Paleozoic era before beginning a drawn-out decline to extinction when, during the Devonian/Carboniferous extinction event, all trilobite orders, with the sole exception of Proetida, died out. The last of the trilobites disappeared in the mass extinction at the end of the Permian 250 million years ago (m.y.a.).