Tricrepicephalus tripunctatus

Strickland, D. K. · CC BY 4.0 · via GBIF. 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
- TricrepicephalusPBDB
- Diet
- carnivorePBDB, for Trilobita
- Life habit
- low-level epifaunalPBDB, for Trilobita
- Motility
- fast-movingPBDB, for Trilobita
- Vision
- well-developedPBDB, for Tricrepicephalidae
- Environment
- marinePBDB, for Trilobita
Time the record covers
At most 18 million years on record.
Every occurrence read is dated to somewhere between 504.5 Mya and 486.85 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
6 occurrences of Tricrepicephalus tripunctatus on record, most of them in the Cambrian. 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
6 occurrences- Cambrian100%
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
- Deadwood Formation5
- Nolichucky Formation · Consauga Group1
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The named rock units Tricrepicephalus tripunctatus has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Tricrepicephalus tripunctatus and its relatives
CambrianWhere Tricrepicephalus tripunctatus and its relatives were recorded in the Cambrian.
Found in the same rock
33 taxa- Blountiella5 sites
- Coosia alethes5 sites
- Pseudagnostina douvillei5 sites
- Blountia4 sites
- Coosina ariston4 sites
- Crepicephalus4 sites
- Kingstonia4 sites
- Terranovella dorsalis4 sites
- Ankoura3 sites
- Hadragnostus modestus3 sites
- Kingstonia walcotti3 sites
- Amiaspis2 sites
- Coosella2 sites
- Komaspidella lata2 sites
- Kormagnostus seclusus2 sites
- Tricrepicephalus coria2 sites
- Agnostogonus incognitus1 site
- Aphelaspis camiro1 site
- Arcuolimbus convexus1 site
- Blountiella anaxis1 site
- Coosina amage1 site
- Crepicephalus auratus1 site
- Crepicephalus buttsi1 site
- Dicellomus appalachia1 site
The Paleobiology Database records 6 sites for Tricrepicephalus tripunctatus, 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- Trilobites, Biostratigraphy, and Lithostratigraphy of the Crepicephalus and Aphelaspis zones, Lower Deadwood formation (Marjuman and Steptoean Stages, Upper Cambrian), Black Hills, South Dakota5
- Cambrian geology and paleontology III. No. 3 - Cambrian trilobites1
Each of the 6 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 Tricrepicephalus tripunctatus
- Source
- GBIF
- Credit
- Strickland, D. K.
- Licence
- CC BY 4.0
- Commercial use
- the licence allows it
No 3D scan of Tricrepicephalus tripunctatus 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 itTricrepicephalus through timeFormations of the CambrianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Whitfield 1876)