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Enischnorhynchus Temporal range: Late Santonian/Early Campanian PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	†Tselfatiiformes
Family:	†Plethodidae
Genus:	†Enischnorhynchus Bardack, 1965
Species:	†E. dallasensis
Binomial name
†Enischnorhynchus dallasensis Bardack, 1965

Enischorhynchus (Greek for "slender snout") is an extinct genus of prehistoric marine ray-finned fish that lived during the Late Cretaceous. It contains a single species, E. dallasensis from the late Santonian or early Campanian-aged Austin Formation of southern Texas, USA. It was a member of the Plethodidae, a dominant family of nektonic fish during the mid-late Cretaceous. It shows close morphological similarities and may be related to Concavotectum and Bachea. It was likely an endemic of the southern Western Interior Seaway.

See also

• Prehistoric fish
• List of prehistoric bony fish

References

1. Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Archived from the original on 2011-07-23. Retrieved 2009-02-27.
2. Cavin, Lionel; Forey, Peter L. (2008). "A new tselfatiiform teleost from the Upper Cretaceous (Cenomanian) of the Kem Kem beds, Southern Morocco". Mesozoic Fishes 4 – Homology and Phylogeny. Verlag Dr. Friedrich Pfeil. ISBN 978-3-89937-080-5.
3. Cavin, Lionel; Boudad, Larbi; Tong, Haiyan; Läng, Emilie; Tabouelle, Jérôme; Vullo, Romain (2015-05-27). "Taxonomic Composition and Trophic Structure of the Continental Bony Fish Assemblage from the Early Late Cretaceous of Southeastern Morocco". PLOS ONE. 10 (5): e0125786. Bibcode:2015PLoSO..1025786C. doi:10.1371/journal.pone.0125786. ISSN 1932-6203. PMC 4446216. PMID 26018561.
4. Shimada, Kenshu (2016-06-01). "A new species of the Late Cretaceous 'sail-finned' bony fish, Pentanogmius (Actinopterygii: Tselfatiiformes), from Texas, USA". Cretaceous Research. 61: 188–198. Bibcode:2016CrRes..61..188S. doi:10.1016/j.cretres.2015.12.019. ISSN 0195-6671.

v t e Teleostei sensu de Pinna, 1996 (= Teleosteomorpha)
Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Subclass: Neopterygii Actinopterygii see Actinopterygii Neopterygii see Neopterygii Teleostei see below↓
Teleostei Teleostei †Atacamichthys †Baleiichthys †Barschichthys †Bunoderma †Ceramurus †Diplospondichthys? †Dorsetichthys †Elpistoichthys †Eurycormus †Galkinia †Grimmenichthys †Hengnania †Hulettia? †Hungkiichthys †Ichthyokentema †Jialingichthys †Ligulella †Luxembourgichthys †Majokia †Marcopoloichthys †Neobaleiichthys †Oligopleurus? †Pholidophorichthys †Pholidophoroides †Pholidophoropsis †Prohalecites †Ruedersdorfia †Seefeldia †Seinstedtia †Signeuxella †Pachycormidae Eugnathides? Euthynotus Haasichthys Notodectes Pseudoasthenocormus Sauropsis Hypsocorminae Australopachycormus Hypsocormus Kaykay Orthocormus Protosphyraena Simocormus Asthenocorminae Asthenocormus Bonnerichthys Germanostomus Leedsichthys Martillichthys Ohmdenia Pachycormus? Rhinconichthys Saurostomus †Aspidorhynchidae Aspidorhynchus Belonostomus Jonoichthys Pseudovinctifer Richmondichthys Vinctifer †Pholidophoridae sensu stricto Annaichthys Ceneichthys Eopholidophorus Knerichthys Lombardichthys Malingichthys Parapholidophorus Pholidoctenus Pholidophoretes Pholidophorus Pholidorhynchodon Pseudopholidoctenus Zambellichthys †Archaeomaenidae Aphnelepis Archaeomaene Gurvanichthys Oreochima Wadeichthys Zaxilepis †Siyuichthyidae Bogdaichthys Dsungarichthys Manasichthys Siyuichthys Wukangia †Pleuropholidae Austropleuropholis Gondwanapleuropholis Parapleuropholis Pleuropholis Zurupleuropholis †Ankylophoridae Ankylophorus Lehmanophorus Neopholidophoropsis Pholidophoristion Siemensichthys Songaichthys Steurbautichthys †Catervariolidae Catervariolus Kisanganichthys Songanella Cycloid clade †Antofagastaichthys †Araripichthys †Cavenderichthys †Koonwarria? †Luisiella †Paraclupavus †Pholidolepis? †Todiltia †Waldmanichthys †Leptolepididae Leptolepis Longileptolepis Proleptolepis †Ascalaboidae Ascalabos Ebertichthys Tharsis †Crossognathiformes see Crossognathiformes †Ichthyodectiformes see Ichthyodectiformes Crown-Teleostei see below↓
Crown-Teleostei Elopomorpha see Elopomorpha †Orthogonikleithridae Cavenderichthys? Leptolepides Orthogonikleithrus Waldmanichthys? Osteoglossomorpha see Osteoglossomorpha †Tselfatiiformes Eoplethodus Protobramidae Abisaadichthys Eusebichthys Protobrama Plethodidae Bachea Bananogmius Concavotectum Dixonanogmius Enischnorhynchus Luxilites Martinichthys Moorevillia Niobrara Paranogmius Pentanogmius Plethodus Pseudonogmius Pseudothryptodus Rhamphoichthys Syntegmodus Thryptodus Tselfatia Zanclites Clupeocephala Otocephala Euteleostei

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• Tselfatiiformes
• Prehistoric ray-finned fish stubs
• Cretaceous fish stubs
• Monotypic prehistoric ray-finned fish genera
• Late Cretaceous bony fish
• Santonian genus first appearances
• Campanian genus extinctions
• Late Cretaceous fish of North America
• Fossils of Texas
• Fossil taxa described in 1965