It means literally "three lobes". It refers to the three longitudinal (running along the animal's length) lobes of their bodies - the right pleural lobe, the left pleural lobe, and the axial (central) lobe.
Trilobite.
Although researching has provided a definition for the word trilobite there does not seem to be any reference as to why one would be referred to as a trilobite. A trilobite is an extinct arthropod from Paleozoic times of which the skeleton is divided into three parts.
Trilobite.
PALEONTOLOGY
A trilobite is a class that contains many species. Each of these species has its own name. the class for trilobites in general is as follows: Kingdom: Animalia Phylum: Arthropoda Class: Trilobita
I think it may be trilobite.
Trilobite+sand=crab
rock and plankton
The trilobite is able to survive droughts because it is eggs can survive millions of years before hatching.
The trilobite.
3
Cambrian Period