Pareuloma

via GBIF · CC BY-NC 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
- EulomidaePBDB
- Diet
- carnivorePBDB, for Trilobita
- Life habit
- low-level epifaunalPBDB, for Trilobita
- Motility
- fast-movingPBDB, for Trilobita
- Vision
- well-developedPBDB, for Eulomidae
- Environment
- marinePBDB, for Trilobita
Time the record covers
At least 7.8 million years on record.
The record covers at least 488.9 Mya to 481.1 Mya. No occurrence read is dated outside 495.2 Mya to 477.1 Mya.
7 occurrences of Pareuloma 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
7 occurrences- Cambrian32%
- Ordovician68%
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
6 formations
- Green Point Formation · Cow Head Group2
- Buttermere Formation · Skiddaw Group1
- Upper Hales Formation1
- Anse du Crapaud Formation1
- Huaqiao Formation1
- Emigrant Formation1
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The named rock units Pareuloma has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Pareuloma and its relatives
OrdovicianWhere Pareuloma and its relatives were recorded in the Ordovician.
Found in the same rock
36 taxa- Geragnostus3 sites
- Borthaspidella gaspensis2 sites
- Lingulella2 sites
- Shumardia2 sites
- Acidaspis1 site
- Agnostidae1 site
- Apatokephalus1 site
- Bienvillia1 site
- Bohemilla1 site
- Cordylodus1 site
- Cordylodus angulatus1 site
- Cordylodus lindstromi1 site
- Cordylodus proavus1 site
- Euptychaspis1 site
- Eurekiidae1 site
- Gastropoda1 site
- Highgatella cordilleri1 site
- Iapetognathus aengensis1 site
- Idiomesus1 site
- Lebobienvillia sp.1 site
- Leiobienvillia laevigata1 site
- Leiobienvillia terranovica1 site
- Nileidae1 site
- Niobina1 site
The Paleobiology Database records 5 sites for Pareuloma, 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
5 references- Early Ordovician trilobite faunules from Quebec and Newfoundland3
- Upper Cambrian biostratigraphy and trilobite faunas of the Cili-Taoyuan area, northwestern Hunan, China1
- Day 2: Late Cambrian and Early Ordovician stratigraphy, biostratigraphy and depositional environments, Hot Creek Range, Nevada1
- Tremadoc trilobites from the Skiddow Group in the English Lake District1
- Geologic map of the Rhyolite Ridge quadrangle, Esmeralda County, Nevada1
Each of the 7 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 Pareuloma
- Source
- GBIF
- Credit
- via GBIF
- Licence
- CC BY-NC 4.0
- Commercial use
- the licence does not allow it
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 itEulomidae through timeFormations of the OrdovicianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Rasetti 1954