Gegania

Gegania

via iDigBio · CC0 · 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
MathildidaePBDB
Diet
carnivorePBDB, for Mathildidae
Life habit
epifaunalPBDB, for Mathildidae
Motility
actively mobilePBDB, for Mathildidae
Vision
limitedPBDB, for Gastropoda

Time the record covers

At least 86 million years on record.

The record covers at least 100.5 Mya to 13.82 Mya. No occurrence read is dated outside 113.2 Mya to 11.63 Mya.

Early Cretaceous — about 2 of 140 occurrencesEarly CretaceousLate Cretaceous — about 41 of 140 occurrencesLate CretaceousPaleocene — about 8 of 140 occurrencesPaleoceneEocene — about 82 of 140 occurrencesEoceneOligocene — about 0 of 140 occurrencesMiocene — about 7 of 140 occurrencesMiocene115–112 Mya — about 0.2 occurrences112–108 Mya — about 0.6 occurrences108–105 Mya — about 0.6 occurrences105–101 Mya — about 0.6 occurrences101–98 Mya — about 0.1 occurrences87–84 Mya — about 0.1 occurrences84–80 Mya — about 5 occurrences80–76 Mya — about 5 occurrences76–73 Mya — about 5 occurrences73–69 Mya — about 12 occurrences69–66 Mya — about 14 occurrences66–62 Mya — about 4 occurrences62–59 Mya — about 2 occurrences59–55 Mya — about 2 occurrences55–52 Mya — about 3 occurrences52–48 Mya — about 3 occurrences48–45 Mya — about 11 occurrences45–41 Mya — about 12 occurrences41–38 Mya — about 49 occurrences38–34 Mya — about 2 occurrences34–31 Mya — about 0.1 occurrences24–20 Mya — about 0.3 occurrences20–17 Mya — about 3 occurrences17–13 Mya — about 3 occurrences13–9.6 Mya — about 1 occurrence100.5 Mya13.82 Mya115 Mya10 Mya

140 occurrences of Gegania on record, most of them in the Eocene. The Paleobiology Database records this as a living group, and the chart stops with its fossils rather than at the present. 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

140 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

44 formations

Cook Mountain — 31.29°N, 86.56°WCook Mountain — 32.32°N, 89.16°WCook Mountain — 32.04°N, 88.73°WCook Mountain — 32.51°N, 92.12°WCook Mountain — 31.09°N, 95.95°WCook Mountain — 30.62°N, 96.56°WCook Mountain — 31.20°N, 95.73°WCook Mountain — 31.25°N, 95.72°WCook Mountain — 30.63°N, 96.54°WCook Mountain — 31.35°N, 95.52°WCook Mountain — 31.11°N, 96.28°WCook Mountain — 30.07°N, 97.08°WCook Mountain — 29.99°N, 97.09°WLisbon — 31.84°N, 88.25°WLisbon — 31.76°N, 88.10°WLisbon — 31.53°N, 87.50°WLisbon — 31.82°N, 88.24°WWeches — 30.67°N, 96.37°WWeches — 30.68°N, 96.58°WWeches — 31.21°N, 96.02°WWeches — 31.11°N, 96.28°WWeches — 31.35°N, 95.68°WWeches — 31.00°N, 96.83°WWeches — 31.59°N, 94.84°WWeches — 31.25°N, 96.12°WWeches — 30.01°N, 97.16°WWeches — 31.22°N, 96.06°WRipley — 34.49°N, 89.01°WRipley — 35.23°N, 88.61°WRipley — 34.73°N, 88.95°WRipley — 35.32°N, 88.42°WPrairie Bluff — 33.79°N, 88.97°WPrairie Bluff — 33.46°N, 88.79°WPrairie Bluff — 32.67°N, 88.29°WPrairie Bluff — 32.70°N, 88.17°WPrairie Bluff — 32.39°N, 87.92°WCoffee Sand — 34.26°N, 88.70°WCoffee Sand — 34.45°N, 88.58°WCrockett — 30.63°N, 96.54°WCrockett — 30.67°N, 96.37°WMount Laurel Sand — 39.55°N, 75.65°WStone City — 30.53°N, 96.69°WGosport Sand — 31.50°N, 87.80°WGosport Sand — 31.54°N, 87.52°WGosport Sand — 31.55°N, 87.91°WNacatoch Sand — 32.59°N, 96.31°WNacatoch Sand — 32.10°N, 96.47°WReklaw — 30.88°N, 95.38°WReklaw — 30.80°N, 96.72°WLa Meseta — 64.24°S, 56.67°WLa Meseta — 64.22°S, 56.64°WMcBean — 33.49°N, 80.86°WKemp Clay — 30.23°N, 97.52°WKosciusko — 32.04°N, 88.73°WCorsicana Marl — 29.98°N, 97.69°WCorsicana Marl — 29.83°N, 97.84°WCalcaire de Mons — 50.45°N, 3.93°EAgatdal — 70.60°N, 53.10°WChipola — 30.43°N, 84.98°WTapui Glauconitic Sandstone — 45.00°S, 170.73°ETapui Glauconitic Sandstone — 44.96°S, 170.65°EHatchetigbee Bluff — 31.94°N, 88.06°WHatchetigbee Bluff — 31.93°N, 87.75°WKiowa — 38.60°N, 97.99°WProvidence — 31.95°N, 85.68°W

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The named rock units Gegania has been recovered from, largest first. Drawn where the rock is now, not where it formed. 20 further formations hold fewer occurrences each and are not listed. 4 occurrences have no formation on record, which is common for older literature.

Gegania and its relatives

Eocene

Where Gegania and its relatives were recorded in the Eocene.

Found in the same rock

1,675 taxa

The Paleobiology Database records 119 sites for Gegania, and this reads all of them. Of that, one read hit the database's own return limit, so every count below is a floor rather than a total. 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

33 references

Each of the 140 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. 21 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 Gegania

Source
iDigBio
Credit
via iDigBio
Licence
CC0
Commercial use
the licence allows 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 itMathildidae through timeFormations of the EoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Jeffreys 1884