Notogoneus
Notogoneus is an extinct genus of prehistoric ray-finned fish. A trace fossil attributed to Notogoneus osculus has been found in the Green River Formation.

Daderot · Public Domain · via Wikipedia/Commons. May be a photograph of a specimen, or an artist’s reconstruction — an interpretation of a skeleton, since colour and soft tissue are almost never preserved.
On record
Recorded, not inferred- Sits inside
- GonorhynchidaePBDB
- Diet
- carnivorePBDB, for Gonorynchiformes
- Life habit
- nektonicPBDB, for Gonorynchiformes
- Motility
- actively mobilePBDB, for Gonorynchiformes
- Environment
- freshwaterPBDB, for Gonorynchiformes
Time the record covers
At least 44 million years on record.
The record covers at least 72.2 Mya to 27.3 Mya. No occurrence read is dated outside 85.7 Mya to 5.333 Mya.
18 occurrences of Notogoneus on record, most of them in the Paleocene. Bar height is expected occurrences, not a count: each fossil is spread across the span it is dated to, so a tall narrow bar means tight dating and a low wide one means loose.
When
18 occurrences- Late Cretaceous35%
- Paleocene37%
- Eocene11%
- Oligocene13%
- Miocene3%
These are dates about fossils, not the animal: the record can only begin after it arose and end before it died out, so either end may reach further. Shares are expected occurrences: a fossil dated to a span is counted partly in each period it straddles. More on what this infers.
Found in
6 formations
- Fort Union Formation6
- Hell Creek Formation · Montana Group4
- Two Medicine Formation · Montana Group2
- Niveau du gypse d'Aix Formation2
- Green River Formation1
- Wasatch Formation1
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The named rock units Notogoneus has been recovered from, largest first. Drawn where the rock is now, not where it formed. 2 occurrences have no formation on record, which is common for older literature.
Notogoneus and its relatives
PaleoceneWhere Notogoneus and its relatives were recorded in the Paleocene.
Found in the same rock
231 taxa- Acanthomorphata10 sites
- Osteoglossomorpha9 sites
- Teleostei9 sites
- Otophysa7 sites
- Esox6 sites
- Estesesox5 sites
- Coriops4 sites
- Habrosaurus dilatus4 sites
- Opisthotriton kayi4 sites
- Wilsonichthys4 sites
- Estesesox foxi3 sites
- Euteleostei3 sites
- Hiodontidae3 sites
- Lepisosteidae3 sites
- Lisserpeton bairdi3 sites
- Mesodma thompsoni3 sites
- Platacodon nanus3 sites
- Scapherpeton tectum3 sites
- Wilsonichthys aridinsulensis3 sites
- aff. Lindoeichthys sp.2 sites
- Albanerpetontidae2 sites
- Amiidae2 sites
- Amiinae2 sites
- Aves2 sites
The Paleobiology Database records 17 sites for Notogoneus, and this reads all of them. The number is how many of those sites it was catalogued from too. The 24 sharing the most are listed.
This is not a list of everything alive at the time. It is only what has come out of the same ground as this animal and been written down.
Entered from
9 references- Moderate extinctions and slow recovery of non-marine teleost fishes across the Cretaceous–Paleogene boundary, with a systematic appraisal of early Paleocene teleost fishes from Saskatchewan, Canada and Montana, USA6
- A systematic reappraisal and quantitative study of the nonmarine teleost fishes from the late Maastrichtian of the Western Interior of North America: evidence from vertebrate microfossil localities4
- The uppermost Oligocene of Aix-en-Provence (Bouches-du-Rhône, Southern France): A Cenozoic brackish subtropical Konservat Lagerstätte, with fishes, insects and plants2
- Biometric analysis of fish remains from palaeolake Boltysh (Ukraine)1
- An early Eocene fish fauna from the Bitter Creek area of the Wasatch Formation of southwestern Wyoming, U.S.A.1
- Fossil Vertebrate Collections1
- A new species of Notogoneus (Teleostei; Gonorynchidae) from the Upper Cretaceous Two Medicine Formation of Montana, and the poor Cretaceous record of freshwater fishes from North America1
- A comparison of fish community structure along several paleoenvironments of Eocene Fossil Lake, Wyoming: a preliminary report1
- Les otolithes des téléostéens de l'oligo-miocène Belge1
Each of the 18 occurrences read was entered from one of these publications, ordered by how many each accounts for. This is not a search for papers mentioning the name. Entries link to doi.org where the Paleobiology Database holds an identifier, and to its own record where it does not. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.
Media and terms
Media content1
Picture of Notogoneus
- Source
- Wikipedia/Commons
- Credit
- Daderot
- Licence
- Public Domain
- Commercial use
- the licence allows it
No 3D scan of Notogoneus was found in MorphoSource and Sketchfab.
Smithsonian Open Access was not reached for this taxon, so this list is what the others held rather than everything there is.
The description on this site
- Source
- Wikipedia, “Notogoneus”
- Licence
- CC BY-SA 4.0
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itGonorhynchidae through timeFormations of the PaleoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Cope 1885