Holcothyris

No picture of Holcothyris 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 Holcothyris, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
PostepithyrididaePBDB
Diet
suspension feederPBDB, for Postepithyrididae
Life habit
low-level epifaunalPBDB, for Postepithyrididae
Motility
stationaryPBDB, for Postepithyrididae
Vision
blindPBDB, for Rhynchonellata
Environment
marinePBDB, for Lophophorata

Time the record covers

At least 86 million years on record.

The record covers at least 241.464 Mya to 154.8 Mya. No occurrence read is dated outside 247 Mya to 143.1 Mya.

Early Triassic — about 0 of 169 occurrencesMiddle Triassic — about 1 of 169 occurrencesMiddle TriassicLate Triassic — about 0 of 169 occurrencesEarly Jurassic — about 0 of 169 occurrencesMiddle Jurassic — about 152 of 169 occurrencesMiddle JurassicLate Jurassic — about 16 of 169 occurrencesLate JurassicEarly Cretaceous — about 0 of 169 occurrences249–245 Mya — about 0.3 occurrences245–242 Mya — about 0.7 occurrences242–238 Mya — about 0.1 occurrences170–166 Mya — about 103 occurrences166–163 Mya — about 49 occurrences163–159 Mya — about 3 occurrences159–155 Mya — about 4 occurrences155–152 Mya — about 3 occurrences152–148 Mya — about 3 occurrences148–145 Mya — about 2 occurrences145–141 Mya — about 1.0 occurrences241.464 Mya154.8 Mya249 Mya141 Mya

169 occurrences of Holcothyris on record, most of them in the Middle Jurassic. 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

169 occurrences

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

7 formations

Namyau Beds — 23.19°N, 97.53°ENamyau Beds — 22.75°N, 98.68°ENamyau Beds — 21.70°N, 97.71°ENamyau Beds — 23.04°N, 97.57°ENamyau Beds — 22.42°N, 97.35°ENamyau Beds — 22.59°N, 97.34°ENamyau Beds — 22.83°N, 97.46°ENamyau Beds — 22.35°N, 97.17°ENamyau Beds — 22.55°N, 97.38°ENamyau Beds — 22.68°N, 97.55°ENamyau Beds — 23.43°N, 98.75°ENamyau Beds — 21.63°N, 99.86°ENamyau Beds — 23.80°N, 97.95°ENamyau Beds — 19.59°N, 96.92°ENamyau Beds — 23.49°N, 97.85°ENamyau Beds — 22.47°N, 97.27°ENamyau Beds — 24.01°N, 99.50°EDorgali — 39.91°N, 9.41°EBan O — 20.50°N, 104.00°EOhineruru — 38.15°S, 174.77°EOhinereru — 38.16°S, 174.77°EKawhia Point Siltstone — 38.13°S, 174.79°E

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The named rock units Holcothyris has been recovered from, largest first. Drawn where the rock is now, not where it formed. 69 occurrences have no formation on record, which is common for older literature.

Holcothyris and its relatives

Middle Jurassic

Where Holcothyris and its relatives were recorded in the Middle Jurassic.

Found in the same rock

87 taxa

The Paleobiology Database records 69 sites for Holcothyris, 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

9 references

Each of the 169 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 Holcothyris 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 Holcothyris, or no answer at all. This entry cannot say which.

No 3D scan of Holcothyris 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 itPostepithyrididae through timeFormations of the Middle JurassicThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Buckman 1917