- 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...
-
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...
-
mainly known from the
dental plates,
abundant in the
fossils record.
Hybodonts, a
group of shark-like
cartilaginous fish, were
dominant in both freshwater...
-
around the world. Some
prehistoric sharks (in a
broad sense),
including hybodonts and xenacanths, are also
thought to have
inhabited freshwater environments...
-
Chondrichthyes (cartilaginous fish) with a shark-like morphology, such as
hybodonts. Shark-like
chondrichthyans such as
Cladoselache and
Doliodus first appeared...
-
teeth instead represent a
morphological type
present among many
juvenile hybodonts but that is
later lost in adults.
Lonchidion anitae Thurmond, 1971 Lonchidion...
-
including H. microdus, H. yohi, H.
zuodengensis and H.
bugarensis are not
hybodonts and most
likely belong to an
entirely separate order Synechodontiformes...
- 8 ft) in length,
making them some of the
largest hybodonts. Like Asteracanthus, but
unlike other hybodonts, the fin
spines of
Strophodus are
covered in tubercles...
- aster, 'star' and Gr****: ἄκανθα akantha, 'spine') is an
extinct genus of
hybodont,
known from the
Middle Jur****ic (Bathonian) to the
Early Cretaceous (Valanginian)...