Macaronichnus segregatis
No picture of Macaronichnus segregatis was found. Wikipedia and Wikidata were searched and had none. iDigBio and GBIF were not searched: the Paleobiology Database does not place Macaronichnus segregatis firmly enough to tell it from something else bearing the same name, and a search on the name alone returns whichever of them was photographed. Smithsonian Open Access did not answer, so this is what the others held rather than everything there is.
On record
Recorded, not inferred- Sits inside
- MacaronichnusPBDB
Time the record covers
At least 120 million years on record.
The record covers at least 143.1 Mya to 23.04 Mya. No occurrence read is dated outside 149.2 Mya to 2.58 Mya.
19 occurrences of Macaronichnus segregatis on record. 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
19 occurrences- Late Jurassic95%
- Miocene5%
- Plioceneunder 1%
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
1 formation
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The named rock units Macaronichnus segregatis 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.
Found in the same rock
61 taxa- Entolium orbiculare16 sites
- Grammatodon14 sites
- Ammonoidea13 sites
- Camptonectes13 sites
- Buchia mosquensis11 sites
- Isognomon11 sites
- Taimyrothyris10 sites
- Belemnitida9 sites
- Thracia depressa9 sites
- Grammatodon (Cosmetodon) keyserlingii8 sites
- Pinna8 sites
- Astarte7 sites
- Hartwellia7 sites
- Isocyprina7 sites
- Pleuromya7 sites
- Mesosaccella6 sites
- Oxytoma inequivalvis6 sites
- Protocardia striatula6 sites
- Dentalium5 sites
- Liostrea5 sites
- Pleuromya uniformis5 sites
- Nuculoma4 sites
- Plagiostoma4 sites
- Serpula intestinalis4 sites
The Paleobiology Database records 19 sites for Macaronichnus segregatis, 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- Genesis and environmental significance of Upper Cretaceous shell concentrations from the Cauvery Basin, southern India12
- Unpublished data6
- Morphological variability of the trace fossil Schaubcylindrichnus coronus as a response to environmental forcing1
Each of the 19 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 Macaronichnus segregatis was found. Wikipedia and Wikidata were searched and had none.
iDigBio and GBIF were not searched: the Paleobiology Database does not place Macaronichnus segregatis firmly enough to tell it from something else bearing the same name, and a search on the name alone returns whichever of them was photographed.
Smithsonian Open Access did not answer, so this is what the others held rather than everything there is.
No 3D scan of Macaronichnus segregatis 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 itMacaronichnus through timeThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Clifton and Thompson 1978