Essonodon
No picture of Essonodon was found. Wikipedia, Wikidata and iDigBio were searched and had none. Smithsonian Open Access did not answer, so this is what the others held rather than everything there is. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Essonodon, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- CimolomyidaePBDB
- Diet
- herbivorePBDB, for Multituberculata
- Life habit
- arborealPBDB, for Multituberculata
- Motility
- actively mobilePBDB, for Osteichthyes
- Environment
- terrestrialPBDB, for Mammalia
Time the record covers
At most 18 million years on record.
Every occurrence read is dated to somewhere between 83.6 Mya and 66 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
23 occurrences of Essonodon on record, most of them in the Late Cretaceous. 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
23 occurrences- Late Cretaceous100%
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
- Hell Creek Formation · Montana Group15
- Fruitland Formation2
- Kirtland Formation2
- Lance Formation2
- Frenchman Formation1
- Ojo Alamo Formation1
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The named rock units Essonodon has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Essonodon and its relatives
Late CretaceousWhere Essonodon and its relatives were recorded in the Late Cretaceous.
Found in the same rock
246 taxa- Meniscoessus robustus14 sites
- Cimolodon nitidus10 sites
- Mesodma thompsoni10 sites
- Ceratopsidae8 sites
- Melvius thomasi8 sites
- Paronychodon8 sites
- Protolambda hatcheri8 sites
- Theropoda8 sites
- Alphadon marshi7 sites
- Didelphodon vorax7 sites
- Dromaeosauridae7 sites
- Glasbius twitchelli7 sites
- Lonchidion selachos7 sites
- Mesodma formosa7 sites
- Richardoestesia7 sites
- Scapherpeton tectum7 sites
- Trionychidae7 sites
- Alphadon6 sites
- Hadrosauridae6 sites
- Lepisosteus occidentalis6 sites
- Opisthotriton kayi6 sites
- Pediomys elegans6 sites
- Adocus5 sites
- Baenidae5 sites
The Paleobiology Database records 22 sites for Essonodon, 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
14 references- A study of Mammalia and geology across the Cretaceous-Tertiary boundary in Garfield County, Montana5
- Latest Cretaceous multituberculates of the Black Butte Station local fauna (Lance Formation, southwestern Wyoming), with implications for compositional differences among mammalian local faunas of the Western Interior3
- Taxonomic composition of the Alamo Wash local fauna from the Upper Cretaceous Ojo Alamo Formation (Naashoibito Member), San Juan Basin, New Mexico2
- Late Cretaceous mammal horizons from the San Juan Basin, New Mexico2
- Cretaceous mammals from Montana2
- Additions to the Lancian mammalian fauna from southwest North Dakota1
- Fossil Vertebrate Collections1
- Mammals from the end of the age of dinosaurs in North Dakota and southeastern Montana, with a reappraisal of geographic differentiation among Lancian mammals1
- The first known alvarezsaurid (Theropoda: Aves) from North America1
- The Bug Creek problem and the Cretaceous-Tertiary transition at McGuire Creek, Montana1
- The Wounded Knee local fauna and mammalian evolution near the Cretaceous-Tertiary boundary, Saskatchewan, Canada1
- Mammal evolution near the Cretaceous-Tertiary Boundary1
Each of the 23 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. 2 further references are not listed. 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 content0
No picture of Essonodon was found. Wikipedia, Wikidata and iDigBio were searched and had none.
Smithsonian Open Access did not answer, so this is what the others held rather than everything there is.
GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Essonodon, or no answer at all. This entry cannot say which.
No 3D scan of Essonodon 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.
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itCimolomyidae through timeFormations of the Late CretaceousThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Simpson 1927