Dinorthis holdeni

via iDigBio · CC0 · via iDigBio. 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
- DinorthisPBDB
- Diet
- suspension feederPBDB, for Dinorthis
- Life habit
- epifaunalPBDB, for Dinorthis
- Motility
- stationary, attachedPBDB, for Dinorthis
- Vision
- blindPBDB, for Rhynchonellata
- Environment
- marinePBDB, for Lophophorata
Time the record covers
At most 18 million years on record.
Every occurrence read is dated to somewhere between 471.3 Mya and 453.8 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
3 occurrences of Dinorthis holdeni 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
3 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
2 formations
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The named rock units Dinorthis holdeni has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Dinorthis holdeni and its relatives
OrdovicianWhere Dinorthis holdeni and its relatives were recorded in the Ordovician.
Found in the same rock
40 taxa- Dinorthis meedsi2 sites
- Eoplectodonta (Eoplectodonta) alternata2 sites
- Glyptorthis assimilis2 sites
- Grewingkia2 sites
- Hiscobeccus2 sites
- Parvohallopora2 sites
- Paucicrura rogata2 sites
- Scaphorthis perplexa2 sites
- Strophomena planumbona2 sites
- Ambonychiidae1 site
- Anazyga1 site
- Aphelognathus1 site
- Brachiopoda1 site
- Calyptaulax1 site
- Camerella1 site
- Cyphotrypa acervulosa1 site
- Cyrtodonta1 site
- Drepanoistodus1 site
- Gastropoda1 site
- Harpididae1 site
- Homotrypa1 site
- Lingulella1 site
- Lyrodesma1 site
- Malletiidae1 site
The Paleobiology Database records 3 sites for Dinorthis holdeni, 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
2 references- Upper Middle Ordovician (Caradoc) brachiopods from the Advance Formation, northern Rocky Mountains, British Columbia2
- Chazyan and related brachiopods1
Each of the 3 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 Dinorthis holdeni
- Source
- iDigBio
- Credit
- via iDigBio
- Licence
- CC0
- Commercial use
- the licence allows it
No 3D scan of Dinorthis holdeni was found in Sketchfab.
Smithsonian Open Access and MorphoSource were 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 itDinorthis through timeFormations of the OrdovicianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Willard 1928)