Trichinocrinus
No picture of Trichinocrinus was found. Wikipedia, Wikidata, iDigBio and Smithsonian Open Access were searched and had none. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Trichinocrinus, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- RhodocrinitidaePBDB
- Diet
- suspension feederPBDB, for Diplobathrida
- Life habit
- upper-level epifaunalPBDB, for Diplobathrida
- Motility
- stationary, attachedPBDB, for Diplobathrida
- Vision
- blindPBDB, for Crinoidea
- Environment
- marinePBDB, for Echinodermata
Time the record covers
At least 7.7 million years on record.
The record covers at least 457.3 Mya to 449.6 Mya. No occurrence read is dated outside 471.3 Mya to 445.5 Mya.
8 occurrences of Trichinocrinus 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
8 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
7 formations
- Dunleith Formation · Galena Group2
- Fort Atkinson Formation · Maquoketa Group1
- Brainard Formation · Maquoketa Group1
- Prosser Limestone Formation1
- Fort Atkinson Limestone Formation · Maquoketa Group1
- Brainard Shale Formation · Maquoketa Group1
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The named rock units Trichinocrinus has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Trichinocrinus and its relatives
OrdovicianWhere Trichinocrinus and its relatives were recorded in the Ordovician.
Found in the same rock
81 taxa- Dendrocrinus7 sites
- Carabocrinus6 sites
- Calceocrinus5 sites
- Cupulocrinus5 sites
- Porocrinus4 sites
- <Archaeocrinid>3 sites
- <Cincinnaticrinid>3 sites
- Abludoglyptocrinus3 sites
- Abludoglyptocrinus charltoni3 sites
- Abludoglyptocrinus ornatus3 sites
- Astrocystites3 sites
- Bothriocidaris3 sites
- Carabocrinus radiatus3 sites
- Cremacrinus3 sites
- Cremacrinus guttenbergensis3 sites
- Cyclocystoides3 sites
- Cyclocystoides halli3 sites
- Ectenocrinus simplex3 sites
- Edrioaster bigsbyi3 sites
- Glyptocrinus3 sites
- Glyptocystites3 sites
- Hybocrinus conicus3 sites
- Iowacystis sagittaria3 sites
- Pleurocystites strimplei3 sites
The Paleobiology Database records 8 sites for Trichinocrinus, 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
3 references- Upper Mississippi Valley Champlainian and Cincinnatian echinoderms5
- Caradocian-Gedinnian echinoderm associations of Central and Eastern North America2
- Whiterockian (Ordovician) crinoid fauna from the Table Head Group, western Newfoundland, Canada1
Each of the 8 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 Trichinocrinus was found. Wikipedia, Wikidata, iDigBio and Smithsonian Open Access were searched and had none.
GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Trichinocrinus, or no answer at all. This entry cannot say which.
No 3D scan was found. Smithsonian Open Access, MorphoSource and Sketchfab were all searched.
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itRhodocrinitidae through timeFormations of the OrdovicianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Moore and Laudon 1943