Temporal range: Cenomanian-Maastrichtian ~94.3–66 Ma
PreꞒ
Ꞓ
O
S
D
C
P
T
J
K
Pg
N
Restoration of P. caninus
Scientific classification
Domain:
Eukaryota
Kingdom:
Animalia
Phylum:
Chordata
Class:
Actinopterygii
Order:
†Crossognathiformes
Family:
†Pachyrhizodontidae
Genus:
†Pachyrhizodus Dixon, 1850
Type species
†Pachyrhizodus basalis
Dixon, 1850
Other species
P. caninusCope, 1872
P. curvatusLoomis, 1900
P. dibleyiLoomis, 1900
P. etayoiPáramo, 1997
P. grawiBartholomai, 2012
P. kingiCope, 1872
P. leptognathusStewart, 1898
P. leptopsisCope, 1874
P. minimusStewart, 1899
P. subulidensOwen, 1842
Pachyrhizodus is an extinct genus of ray-finned fish that lived during the Cretaceous to Paleocene[1] in what is now Europe, North America, South America, and Oceania. Many species are known, primarily from the Cretaceous of England and the midwestern United States.[2]
^Cope, K. H., Utgaard, J.E., Masters, J.M., and Feldmann, R., 2005, The fauna of the Clayton Formation (Paleocene, Danian) of southern Illinois: A case of K/P survivorship and Danian recovery: Bulletin of the Mizunami Fossil Museum, v. 32, p. 97–108.
^Cite error: The named reference :2 was invoked but never defined (see the help page).
dubbed Pachyrhizodus in 1850, with Frederick Dixon creating the species name basalis for the specimen. Over the next few years, many Pachyrhizodus species...
(believed to be 10 metres (33 ft) long); and advanced bony fish including Pachyrhizodus, Enchodus, and the massive 4-to-5-metre (13 to 16 ft) long Xiphactinus...
A. contractus. Shortly afterwards, Cope synonymized the genus with Pachyrhizodus, only to revive it in 1877 for species such as A. aratus, A. favirostris...
Quarry A pycnodont. Osmeroides O. lewesiensis An osmeroidid elopiform. Pachyrhizodus P. subulidens A pachyrhizodontid crossognathiform. P. sp. Paranursallia...
including swordfish-like Protosphyraena, as well as the predatory fishes Pachyrhizodus, Xiphactinus, Ichthyodectes, Gillicus, Leptecodon, Enchodus and Cimolichthys...
Large fish known to have inhabited the sea include the bony fishes Pachyrhizodus, Enchodus, Cimolichthys, Saurocephalus, Saurodon, Gillicus, Ichthyodectes...
identified, but known Turonian taxa include but not limited to Enchodus, Pachyrhizodus, and the ichthyodectids Ichthyodectes and Xiphactinus. While consistent...
Xiphactinus but indistinguishable from other ichthyodectid genera. Pachyrhizodus P. caninus Manitoba. Pembina Member. A skull and anterior portions of...
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