- "three-lobed entities") are
extinct marine arthropods that form the
class Trilobita. One of the
earliest groups of
arthropods to
appear in the
fossil record...
- Walcott,
Charles D. (1912).
Middle Cambrian Branchiopoda, Malacostraca,
Trilobita, and
Merostomata (PDF).
Smithsonian Institution. pp. 182–185. Fu, Dongjing;...
-
Arthropods are
invertebrate animals having an exoskeleton, a
segmented body, and
paired jointed appendages.
Arthropods form the
phylum Arthropoda. They...
- The
Spence Shale is the
middle member of the
Langston Formation in
southeastern Idaho and
northeastern Utah. It is
exposed in the Bear
River Range, the...
- The
largest animal currently alive is the blue whale. The
maximum recorded weight was 190
tonnes (209 US tons) for a
specimen measuring 27.6
metres (91 ft)...
-
group to the rest of arthropods, the
clade Arachnomorpha (Chelicerata and
Trilobita).
Unlike the
chelicerae of arachnids,
mandibles can
often be used to chew...
- (1985)
placed the
order in the
Trilobita.
Cotton &
Braddy (2000)
place it in a new "Trilobite clade"
containing the
Trilobita,
recognizing the
close affinities...
- (Vicissicaudata)
Diagram of
Sinoburius (Xandarellida) Life
restoration of
Trimerus (
Trilobita) Life
restoration of
Aglaspis (Aglaspidida) Life
restoration of Tegopelte...
- This is a list of
fossils found at
Maotianshan Shales,
whose most
famous ****emblage of
organisms are
referred to as the
Chengjiang biota. The Maotianshan...
- The
Wheeler Shale (named by
Charles Walcott) is a
Cambrian (c. 507 Ma)
fossil locality world-famous for
prolific agnostid and
Elrathia kingii trilobite...
