Omphalotrochus

Omphalotrochus is an extinct taxonomic genus of Paleozoic gastropods. It is widely distributed in the upper Paleozoic and has been an important index fossil.

Omphalotrochus

via iDigBio · CC BY-NC-SA · via iDigBio. 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
OmphalotrochidaePBDB
Diet
suspension feederPBDB, for Euomphaloidea
Life habit
epifaunalPBDB, for Euomphaloidea
Motility
stationaryPBDB, for Euomphaloidea
Vision
limitedPBDB, for Gastropoda

Time the record covers

At least 146 million years on record.

The record covers at least 413.02 Mya to 266.9 Mya. No occurrence read is dated outside 419.62 Mya to 259.857 Mya.

Silurian — about 0 of 109 occurrencesDevonian — about 2 of 109 occurrencesDevonianCarboniferous — about 2 of 109 occurrencesCarboniferousPermian — about 105 of 109 occurrencesPermian423–417 Mya — about 0.4 occurrences417–412 Mya — about 0.6 occurrences395–390 Mya — about 0.7 occurrences390–384 Mya — about 0.3 occurrences307–301 Mya — about 1 occurrence301–295 Mya — about 23 occurrences295–290 Mya — about 31 occurrences290–284 Mya — about 19 occurrences284–279 Mya — about 16 occurrences279–273 Mya — about 12 occurrences273–268 Mya — about 0.7 occurrences268–262 Mya — about 4 occurrences262–257 Mya — about 0.3 occurrences413.02 Mya266.9 Mya423 Mya257 Mya

109 occurrences of Omphalotrochus 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

109 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

30 formations

Hueco — 32.37°N, 106.88°WHueco — 31.85°N, 105.97°WHueco — 31.25°N, 104.83°WHueco — 31.06°N, 104.86°WHueco — 31.85°N, 106.10°WHueco — 31.93°N, 105.96°WHueco — 31.93°N, 104.96°WHueco — 31.45°N, 104.88°WHueco — 31.48°N, 105.01°WHueco — 31.39°N, 105.14°WHueco — 31.14°N, 105.16°WHueco — 32.37°N, 106.08°WHueco — 32.29°N, 106.07°WNeal Ranch — 30.36°N, 103.13°WNeal Ranch — 30.35°N, 103.15°WNeal Ranch — 30.58°N, 103.25°WNeal Ranch — 30.42°N, 102.97°WColina — 31.41°N, 109.85°WColina — 31.50°N, 109.85°WColina — 31.59°N, 109.98°WColina — 31.66°N, 110.05°WClyde — 31.70°N, 99.89°WClyde — 31.67°N, 99.83°WClyde — 31.60°N, 99.82°WBone Spring — 31.78°N, 105.93°WBone Spring — 31.35°N, 104.86°WBone Spring — 31.35°N, 104.86°WCopacabana — 19.12°S, 64.70°WCopacabana — 16.10°S, 69.08°WCopacabana — 16.30°S, 68.49°WCopacabana — 16.33°S, 68.73°WShakhtau Reef — 53.65°N, 56.08°EGrenola Limestone — 37.37°N, 96.54°WGrenola Limestone — 38.50°N, 96.35°WHess — 30.37°N, 103.15°WHess — 30.37°N, 103.14°WAlacran Mountain — 32.05°N, 107.58°WPequop — 39.21°N, 114.98°WPequop — 39.04°N, 114.90°WMcCloud — 40.71°N, 122.30°WRechitsy — 55.59°N, 38.43°EBird Spring — 36.60°N, 114.79°WBaton — 41.32°S, 172.72°EAntimonio — 30.77°N, 112.57°WLenox Hills — 30.25°N, 103.35°WPanther Seep — 32.92°N, 106.66°WLucas — 42.13°N, 83.03°WRanger Canyon — 54.50°N, 120.72°WAdmiral — 31.57°N, 99.69°WColina Limestone — 31.67°N, 110.04°WSedwick — 31.48°N, 99.60°WRed Eagle Limestone — 36.69°N, 96.72°W

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The named rock units Omphalotrochus has been recovered from, largest first. Drawn where the rock is now, not where it formed. 6 further formations hold fewer occurrences each and are not listed. 9 occurrences have no formation on record, which is common for older literature.

Omphalotrochus and its relatives

Permian

Where Omphalotrochus and its relatives were recorded in the Permian.

Found in the same rock

773 taxa

The Paleobiology Database records 104 sites for Omphalotrochus, 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

25 references

Each of the 109 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. 13 further references are not listed. 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 Omphalotrochus

Source
iDigBio
Credit
via iDigBio
Licence
CC BY-NC-SA
Commercial use
the licence does not allow it

No 3D scan of Omphalotrochus 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.

The description on this site

Licence
CC BY-SA 4.0

This is what the site found, which is not the same as what exists.

Keep going

What may have been alongside itOmphalotrochidae through timeFormations of the PermianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Meek 1864)