Hystricurus deflectus
No picture of Hystricurus deflectus 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 Hystricurus deflectus, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- HystricurusPBDB
- Diet
- deposit feederPBDB, for Proetida
- Life habit
- low-level epifaunalPBDB, for Trilobita
- Motility
- fast-movingPBDB, for Trilobita
- Vision
- well-developedPBDB, for Hystricuridae
- Environment
- marinePBDB, for Trilobita
Time the record covers
At most 16 million years on record.
Every occurrence read is dated to somewhere between 486.85 Mya and 471.3 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
12 occurrences of Hystricurus deflectus on record, most of them in the Ordovician. 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
12 occurrences- Ordovician100%
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
3 formations
- Boat Harbour Formation · St. George Group10
- Beauharnois Formation · Beekmantown Group1
- Roubidoux Formation1
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The named rock units Hystricurus deflectus has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Hystricurus deflectus and its relatives
OrdovicianWhere Hystricurus deflectus and its relatives were recorded in the Ordovician.
Found in the same rock
27 taxa- Hillyardina levis9 sites
- Parahystricurus smithiae9 sites
- Randaynia saundersi9 sites
- Gastropoda7 sites
- Cephalopoda6 sites
- Diaphelasma3 sites
- Bolbocephalus seelyi2 sites
- Hystricurus oculilunatus2 sites
- Orthidae2 sites
- Acidiphorus1 site
- Ceratopea canadensis1 site
- Euconia1 site
- Finkelnburgia1 site
- Finkelnburgia cullisoni1 site
- Hormotoma artemesia1 site
- Ischyrotoma1 site
- Isoteloides1 site
- Isoteloides canalis1 site
- Jeffersonia1 site
- Jeffersonia bridgei1 site
- Jeffersonia timon1 site
- Lecanospira1 site
- Leiostegium proprium1 site
- Ribeiria calcifera1 site
The Paleobiology Database records 12 sites for Hystricurus deflectus, 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
4 references- Early Ordovician trilobite faunas of the Boat Harbour and Catoche Formations (St. George Group) in the Boat-Harbour-Cape Norman area, Great Northern Peninsula, western Newfoundland9
- Trilobite and Conodont Biostratigraphy of the St. George Group, Eddies Cove west area, Western Newfoundland1
- Fauna of the lower Beauharnois Formation (Beekmantown Group, Lower Ordovician), Grand île, Quebec1
- Stratigraphy and paleontology of the Roubidoux Formation of Missouri1
Each of the 12 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 content0
No picture of Hystricurus deflectus 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 Hystricurus deflectus, or no answer at all. This entry cannot say which.
No 3D scan of Hystricurus deflectus 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 itHystricurus through timeFormations of the OrdovicianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Heller 1954