Orthis testudinaria

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
- OrthisPBDB
- Diet
- suspension feederPBDB, for Orthida
- Life habit
- epifaunalPBDB, for Orthida
- Motility
- stationary, attachedPBDB, for Orthida
- Vision
- blindPBDB, for Rhynchonellata
- Environment
- marinePBDB, for Lophophorata
Time the record covers
At most 8.6 million years on record.
Every occurrence read is dated to somewhere between 453.8 Mya and 445.2 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
4 occurrences of Orthis testudinaria 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
4 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 Orthis testudinaria has been recovered from, largest first. Drawn where the rock is now, not where it formed. 1 occurrence has no formation on record, which is common for older literature.
Orthis testudinaria and its relatives
OrdovicianWhere Orthis testudinaria and its relatives were recorded in the Ordovician.
Found in the same rock
46 taxa- Hyolithes4 sites
- Encrinurella2 sites
- Mioptychopyge thebawi2 sites
- Shanina2 sites
- Warburgella2 sites
- ? Carynocrinus cf. aurora1 site
- Ampyx1 site
- Aparchites1 site
- Arabellites1 site
- Bekkerella subcrateroides1 site
- Bellerophontoidea1 site
- Brachiospongia digitata1 site
- Calymene1 site
- Ceratopsis chambersi1 site
- Cheirurus1 site
- Christiania1 site
- Climacograptus putillus1 site
- Conularia1 site
- Ctenodonta obliqua1 site
- Cyclonema minuta1 site
- Cyphaspis1 site
- Cyrtolites inornatum1 site
- Eunicites1 site
- Heliocrinus sp.1 site
The Paleobiology Database records 4 sites for Orthis testudinaria, 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- The Lower Palaeozoic fossils of the Northern Shan States, Burma. With a section of Ordovician cystidea by F. A. Bather [q.v.]3
- Brachiospongidae: a memoir on a group of Silurian sponges1
Each of the 4 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 Orthis testudinaria
- Source
- iDigBio
- Credit
- via iDigBio
- Licence
- CC0
- Commercial use
- the licence allows it
No 3D scan of Orthis testudinaria 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 itOrthis through timeFormations of the OrdovicianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Dalman 1828)