noun
definition
An extinct arthropod of the class Trilobita, whose body had three large lobes.
Examples of trilobite in a Sentence
Over 50 trilobites and a trilobite eye are illustrated.
Most trilobite fossils are only fragments of their exoskeletons.
Between the two and at the highest point of the arc, so far as morphological differentiation is concerned, stands the scorpion; near to it in the trilobite's direction (that is, on the ascending side) are Limulus and the Eurypterines - with a long gap, due to obliteration of the record, separating them from the trilobite.
Trilobitae (see Trilobite).
Wherever the Cambrian strata have been carefully studied it has now been found possible and convenient to arrange them into three series, each of which is characterized by a distinctive genus of trilobite.
This fossil trilobite from the Atlas Mountains is 7, nearly 8, centimeters long.
See the fossil collection from Dudley Museum and have fun with the Remote Controlled trilobite.
The simple anomomeristic trilobite, with its equi-formal somites and equi-formal appendages, is one term of the series which ends in the even more simple but degenerate Acari.
See the fossil collection from Dudley Museum and have fun with the Remote Controlled Trilobite.
The researchers believe the trilobite molecule can be created by manipulating a rubidium BEC with laser pulses or external electromagnetic fields.
Once again, these beds are quite fossiliferious, although no Trilobite fragments were found at these smaller locations.
No Crustacean exhibits this trilobite form.
The bi-ramose structure of the post-oral limbs, demonstrated by Beecher in the trilobite Triarthrus, is no more inconsistent with its claim to be a primitive Arachnid than is the foliaceous modification of the limbs in Phyllopods inconsistent with their relationship to the Arthrostracous Crustaceans such as Gammarus and Oniscus.