Hypacrosaurus altispinus

LittleLazyLass · CC BY-SA 4.0 · via Wikidata/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
- HypacrosaurusPBDB
- Diet
- herbivorePBDB, for Ornithopoda
- Life habit
- ground dwelling, gregariousPBDB, for Ornithischia
- Motility
- actively mobilePBDB, for Ornithischia
- Environment
- terrestrialPBDB, for Ornithischia
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.
16 occurrences of Hypacrosaurus altispinus 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
16 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
2 formations
- Horseshoe Canyon Formation · Edmonton Group9
- Dinosaur Park Formation · Belly River Group1
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The named rock units Hypacrosaurus altispinus has been recovered from, largest first. Drawn where the rock is now, not where it formed. 6 occurrences have no formation on record, which is common for older literature.
Hypacrosaurus altispinus and its relatives
Late CretaceousWhere Hypacrosaurus altispinus and its relatives were recorded in the Late Cretaceous.
Found in the same rock
57 taxa- Cyclurus5 sites
- Holostei5 sites
- Anura4 sites
- Avialae4 sites
- Coriops4 sites
- Opisthotriton4 sites
- Scapherpeton4 sites
- Tyrannosauridae4 sites
- Acanthomorphata3 sites
- Ankylosauridae3 sites
- Ceratopsidae3 sites
- Metatheria3 sites
- Myledaphus3 sites
- Archosauria2 sites
- Belonostomus2 sites
- Borioteiioidea2 sites
- Champsosaurus2 sites
- Chelydridae2 sites
- Dromaeosaurinae2 sites
- Paronychodon2 sites
- Sorbinichthyidae2 sites
- Teleostei2 sites
- Troodon2 sites
- Acipenseridae1 site
The Paleobiology Database records 16 sites for Hypacrosaurus altispinus, 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
6 references- Faunal assemblages from the upper Horseshoe Canyon Formation, an early Maastrichtian cool-climate assemblage from Alberta, with special reference to the Albertosaurus sarcophagus bonebed5
- A new trachodont dinosaur, Hypacrosaurus, from the Edmonton Cretaceous of Alberta4
- Hadrosaurian dinosaurs of North America2
- On the skull and skeleton of Hypacrosaurus, a helmet-crested dinosaur from the Edmonton Cretaceous of Alberta2
- On Cheneosaurus tolmanensis, a new genus and species of trachodont dinosaur from the Edmonton Cretaceous of Alberta2
- Cranial morphology and variation in Hypacrosaurus stebingeri (Ornithischia: Hadrosauridae)1
Each of the 16 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 content2

Picture of Hypacrosaurus altispinus
- Source
- Wikidata/Commons
- Credit
- LittleLazyLass
- Licence
- CC BY-SA 4.0
- Commercial use
- the licence allows it
Laser scan
- Source
- MorphoSource
- Licence
- In Copyright
- Commercial use
- cannot be read from the licence given — check the record
- Specimen
- Hypacrosaurus altispinus · AMNH:FARB :5357
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 itHypacrosaurus through timeFormations of the Late CretaceousThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Brown 1913