Macrotheca almgreeni
No picture of Macrotheca almgreeni was found. Wikipedia, Wikidata and iDigBio were searched and had none. Smithsonian Open Access did not answer, so this is what the others held rather than everything there is. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Macrotheca almgreeni, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- MacrothecaPBDB
- Diet
- suspension feederPBDB, for Hyolitha
- Life habit
- epifaunalPBDB, for Hyolitha
- Motility
- stationaryPBDB, for Hyolitha
- Vision
- blindPBDB, for Hyolitha
- Environment
- marinePBDB, for Hyolitha
Time the record covers
At most 5.8 million years on record.
Every occurrence read is dated to somewhere between 259.857 Mya and 254.14 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
8 occurrences of Macrotheca almgreeni on record, most of them in the Permian. 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- Permian100%
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
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The named rock units Macrotheca almgreeni has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Macrotheca almgreeni and its relatives
PermianWhere Macrotheca almgreeni and its relatives were recorded in the Permian.
Found in the same rock
1 taxon- Toxeumorphora langi1 site
The Paleobiology Database records 8 sites for Macrotheca almgreeni, and this reads all of them. The number is how many of those sites it was catalogued from too.
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- Permian Toxeumorphorida from Greenland: an appraisal of the molluscan class Xenoconchia7
- Giant Mollusca (Hyolitha) from the Permian of East Greenland1
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. Each entry links to doi.org. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.
Media and terms
Media content0
No picture of Macrotheca almgreeni was found. Wikipedia, Wikidata and iDigBio were searched and had none.
Smithsonian Open Access did not answer, so this is what the others held rather than everything there is.
GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Macrotheca almgreeni, or no answer at all. This entry cannot say which.
No 3D scan of Macrotheca almgreeni 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 itMacrotheca through timeFormations of the PermianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Peel and Yochelson 1984