- skin of
hybodonts was
covered with
dermal denticles.
Hybodonts laid egg cases,
similar to
those produced by
living cartilaginous fish. Most
hybodont egg cases...
- relatives).
Important extinct groups of
elasmobranchs sensu lato
include the
hybodonts (Order Hybodontiformes),
xenacanths (order Xenacanthformes) and Ctenacanthiformes...
-
around the world. Some
prehistoric sharks (in a
broad sense),
including hybodonts and xenacanths, are also
thought to have
inhabited freshwater environments...
-
thought to have been
produced by some
extinct chondricthyan groups, such as
hybodonts and xenacanths. Egg
cases are made of
collagen protein strands, and are...
-
Chondrichthyes (cartilaginous fish) with a shark-like morphology, such as
hybodonts. Shark-like
chondrichthyans such as
Cladoselache and
Doliodus first appeared...
-
mainly known from the
dental plates,
abundant in the
fossils record.
Hybodonts, a
group of shark-like
cartilaginous fish, were
dominant in both freshwater...
- The
largest prehistoric animals include both
vertebrate and
invertebrate species. Many of them are
described below,
along with
their typical range of size...
-
known for its
unusual spiral shaped spiral tooth whorl in the
lower jaw.
Hybodonts, a
group of shark-like chondrichthyans, were
widespread and
abundant members...
- late
Middle to Late Jur****ic.
During the
Early Jur****ic, the shark-like
hybodonts,
which represented the
dominant group of
chondrichthyans during the preceding...
-
Ptychodus are
likely true
sharks belonging to Selachimorpha,
rather than
hybodonts or
batoids as
previously thought. A 2024
study of a
complete skeleton...
