Darellia
Encyclopedia
Darellia is an extinct genus
from a well-known class of fossil
cephalopod
s, the ammonite
s. It lived during the Jurassic Period, which lasted from approximately 200 to 145 million years ago.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
from a well-known class of fossil
Fossil
Fossils are the preserved remains or traces of animals , plants, and other organisms from the remote past...
cephalopod
Cephalopod
A cephalopod is any member of the molluscan class Cephalopoda . These exclusively marine animals are characterized by bilateral body symmetry, a prominent head, and a set of arms or tentacles modified from the primitive molluscan foot...
s, the ammonite
Ammonite
Ammonite, as a zoological or paleontological term, refers to any member of the Ammonoidea an extinct subclass within the Molluscan class Cephalopoda which are more closely related to living coleoids Ammonite, as a zoological or paleontological term, refers to any member of the Ammonoidea an extinct...
s. It lived during the Jurassic Period, which lasted from approximately 200 to 145 million years ago.