Bolboporites
Searched as Bolboporites indet.. The Paleobiology Database treats Bolboporites as the accepted name.
Bolboporites is an enigmatic echinoderm fossil from the Ordovician of Europe and North America. It was once thought to be an unusual eocrinoid living on the seafloor with the pointed end of the cone down in the sediment, and a single brachiole extending from a hole in the upper surface. However, a recent re-assessment concluded that it is most likely a spine from an unknown echinoderm, possibly of primitive, non-echinoid echinozoan affinities. It likely diversified in the Baltic region and then migrated to North America.

Wilson44691 · Public Domain · via Wikipedia/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
- EocrinoideaPBDB
- Diet
- suspension feederPBDB, for Eocrinoidea
- Life habit
- epifaunalPBDB, for Eocrinoidea
- Motility
- stationary, attachedPBDB, for Eocrinoidea
- Vision
- blindPBDB, for Eocrinoidea
- Environment
- marinePBDB, for Echinodermata
Time the record covers
At least 3.2 million years on record.
The record covers at least 464.3 Mya to 461.1 Mya. No occurrence read is dated outside 471.3 Mya to 457.3 Mya.
21 occurrences of Bolboporites 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
21 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
9 formations
- Day Point Formation · Chazyan Group6
- Mingan Formation2
- Valcour Formation · Chazy Group2
- Day Point Formation1
- Crown Point Formation1
- Laval Formation1
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The named rock units Bolboporites has been recovered from, largest first. Drawn where the rock is now, not where it formed. 5 occurrences have no formation on record, which is common for older literature.
Bolboporites and its relatives
OrdovicianWhere Bolboporites and its relatives were recorded in the Ordovician.
Found in the same rock
161 taxa- Raphistoma stamineum8 sites
- Stenopareia globosus8 sites
- Leperditia canadensis7 sites
- Paleocystites tenuiradiatus7 sites
- Basilicus (Basiliella) whittingtoni5 sites
- Eurychilina latimarginata5 sites
- Hibbertia valcourensis5 sites
- Mimella vulgaris5 sites
- Multicostella platys5 sites
- Palaeocystites5 sites
- Stictopora fenestrata5 sites
- Billingsaria4 sites
- Blastoidocrinus carchariaedens4 sites
- Bumastus4 sites
- Camerella4 sites
- Camerella varians4 sites
- Dactylogonia incrassata4 sites
- Isotelus harrisi4 sites
- Lonchodomas chaziensis4 sites
- Mimella borealis4 sites
- Phylloporina4 sites
- Pliomerops canadensis4 sites
- Sphenotreta acutirostris4 sites
- Archinacella proprius3 sites
The Paleobiology Database records 20 sites for Bolboporites, 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
7 references- The Chazy Formation and its fauna12
- Ordovician Chazy Group in southern Quebec3
- Bibliographic and faunal index of Paleozoic pelmatozoan echinoderms2
- New interpretation of bolboporids (Echinodermata, ?Eocrinoidea)1
- Middle to late Ordovician fossiliferous rocks of the Montreal area1
- The Viruan (Middle Ordovician) of Oland1
- Cephalopoda of the Beekmantown and Chazy formations of the Champlain Basin1
Each of the 21 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 Bolboporites
- Source
- Wikipedia/Commons
- Credit
- Wilson44691
- Licence
- Public Domain
- Commercial use
- the licence allows it
No 3D scan of Bolboporites 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.
The description on this site
- Licence
- CC BY-SA 4.0
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itEocrinoidea through timeFormations of the OrdovicianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Pander 1830