-
Ptomacanthus (meaning
thorny corpse) is an
extinct genus of
spiny shark, an
early relative of
living cartilaginous fishes (sharks, rays, and chimaeras)...
-
Ptomacanthus...
- the description, it was
placed in a
clade with Climatius, Parexus, and
Ptomacanthus. Andreev,
Plamen S.; Sansom, Ivan J.; Li, Qiang; Zhao, Wenjin; Wang,...
- is
sometimes rejected from this order. Clowes, Chris. ""Acanthodii:
Ptomacanthus."
Palaeos Mesozoic: The
Mesozoic Era". palaeos.
Retrieved 13 September...
- (2012). "A
revision of the
anatomy of the
Early Devonian jawed vertebrate Ptomacanthus anglicus Miles". Palaeontology. 55 (2): 355–367. Bibcode:2012Palgy..55...
- (2019). A
study on the
anatomy of the
skeletal elements of the
pharynx of
Ptomacanthus anglicus, and on its
implications for the
knowledge of the evolution...
