- included. The
cephalaspidomorphs possessed armored head-shields, a
heterocercal tail fin, and in some
groups paired pectoral fins.
Cephalaspidomorphs possessed...
- as
hagfishes and lampreys) and
extinct clades (e.g.
conodonts and
cephalaspidomorphs,
among others). They are
sister to
vertebrates with jaws
known as...
- (hagfish)
class Petromyzontida (lampreys)
class †Cephalaspidomorphi (
cephalaspidomorphs)
class †Conodonta (conodonts)
class †Pteraspidomorpha (pteraspidomorphs)...
- The
largest prehistoric animals include both
vertebrate and
invertebrate species. Many of them are
described below,
along with
their typical range of size...
-
conodonts leading to the Cyclostomi, and
jawless fishes like the
Cephalaspidomorph who
developed armors and jaws to
become the gnathostomes. Paleobiota...
- Carcinosoma, Mixopterus,
Dolichopterus and
Eysyslopterus as well as
cephalaspidomorph fishes. P.
monroensis lived alongside Mixopterus, Hughmilleria, Eurypterus...
-
Herefordopterus banksii, as well as some
indeterminate species of
cephalaspidomorphs and coelolepids. In the
Silurian deposits of the
Shawangunk Formation...