Nemodon

Nemodon

via iDigBio · CC BY · 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
GrammatodontinaePBDB
Diet
suspension feederPBDB, for Parallelodontidae
Life habit
low-level epifaunalPBDB, for Parallelodontidae
Motility
facultatively mobile, attachedPBDB, for Parallelodontidae
Vision
blindPBDB, for Bivalvia

Time the record covers

At least 158 million years on record.

The record covers at least 199.5 Mya to 41.03 Mya. No occurrence read is dated outside 201.4 Mya to 37.71 Mya.

Late Triassic — about 0 of 279 occurrencesEarly Jurassic — about 1 of 279 occurrencesEarly JurassicMiddle Jurassic — about 1 of 279 occurrencesLate Jurassic — about 4 of 279 occurrencesLate JurassicEarly Cretaceous — about 2 of 279 occurrencesEarly CretaceousLate Cretaceous — about 261 of 279 occurrencesLate CretaceousPaleocene — about 7 of 279 occurrencesEocene — about 3 of 279 occurrencesEocene205–199 Mya — about 1 occurrence176–171 Mya — about 0.3 occurrences171–165 Mya — about 0.4 occurrences165–159 Mya — about 0.3 occurrences159–154 Mya — about 2 occurrences154–148 Mya — about 0.6 occurrences148–142 Mya — about 1 occurrence137–131 Mya — about 0.2 occurrences131–125 Mya — about 0.5 occurrences125–120 Mya — about 0.6 occurrences120–114 Mya — about 0.7 occurrences114–108 Mya — about 0.1 occurrences103–97 Mya — about 7 occurrences97–91 Mya — about 6 occurrences91–86 Mya — about 0.5 occurrences86–80 Mya — about 17 occurrences80–74 Mya — about 25 occurrences74–68 Mya — about 127 occurrences68–63 Mya — about 83 occurrences63–57 Mya — about 3 occurrences57–51 Mya — about 0.5 occurrences51–46 Mya — about 0.2 occurrences46–40 Mya — about 1 occurrence40–34 Mya — about 2 occurrences199.5 Mya41.03 Mya205 Mya34 Mya

279 occurrences of Nemodon on record, most of them in the Late Cretaceous. 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

279 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

43 formations

Providence — 31.91°N, 86.17°WProvidence — 31.87°N, 86.08°WProvidence — 31.97°N, 86.00°WProvidence — 31.86°N, 85.95°WProvidence — 31.92°N, 85.82°WProvidence — 31.89°N, 85.70°WProvidence — 31.95°N, 85.68°WProvidence — 31.92°N, 85.35°WProvidence — 31.84°N, 85.22°WProvidence — 31.73°N, 85.12°WProvidence — 31.77°N, 85.13°WProvidence — 31.82°N, 84.97°WProvidence — 31.89°N, 85.21°WCorsicana Marl — 33.51°N, 94.67°WCorsicana Marl — 33.15°N, 96.04°WCorsicana Marl — 31.74°N, 96.61°WCorsicana Marl — 31.40°N, 96.73°WCorsicana Marl — 30.94°N, 96.95°WCorsicana Marl — 30.37°N, 97.46°WCorsicana Marl — 30.37°N, 97.45°WCorsicana Marl — 30.25°N, 97.54°WCorsicana Marl — 29.95°N, 97.71°WCorsicana Marl — 29.83°N, 97.84°WCorsicana Marl — 29.72°N, 97.90°WCorsicana Marl — 29.60°N, 98.03°WCorsicana Marl — 29.63°N, 98.54°WCorsicana Marl — 29.35°N, 98.88°WCorsicana Marl — 31.30°N, 96.90°WPrairie Bluff — 34.63°N, 88.84°WPrairie Bluff — 32.67°N, 88.29°WPrairie Bluff — 32.74°N, 88.36°WPrairie Bluff — 32.70°N, 88.17°WPrairie Bluff — 32.43°N, 88.04°WPrairie Bluff — 32.23°N, 87.50°WPrairie Bluff — 32.05°N, 86.99°WPrairie Bluff — 32.04°N, 86.79°WPrairie Bluff — 31.97°N, 86.72°WPrairie Bluff — 31.98°N, 86.00°WBlack Creek — 35.77°N, 78.64°WBlack Creek — 34.58°N, 78.27°WBlack Creek — 35.23°N, 77.79°WBlack Creek — 35.22°N, 77.68°WBlack Creek — 35.46°N, 77.68°WBlack Creek — 35.67°N, 77.47°WPeedee — 34.04°N, 79.80°WPeedee — 33.99°N, 79.52°WPeedee — 33.90°N, 79.43°WPeedee — 33.83°N, 79.25°WSevern — 38.89°N, 76.85°WSevern — 38.92°N, 76.85°WOwl Creek — 34.82°N, 88.88°WOwl Creek — 34.74°N, 88.90°WOwl Creek — 34.63°N, 88.84°WOwl Creek — 34.45°N, 89.00°WOwl Creek — 37.00°N, 89.85°WOwl Creek — 37.02°N, 89.85°WNacatoch Sand — 32.10°N, 96.47°WNacatoch Sand — 32.59°N, 96.31°WRipley — 32.05°N, 86.78°WRipley — 35.32°N, 88.42°WRipley — 35.29°N, 88.60°WEscondido — 29.34°N, 98.89°WEscondido — 29.29°N, 98.97°WEscondido — 29.39°N, 99.02°WEscondido — 29.03°N, 100.25°WEscondido — 28.73°N, 100.48°WCoffee Sand — 34.66°N, 88.57°WCoffee Sand — 34.43°N, 88.42°WCoffee Sand — 34.26°N, 88.70°WCoffee Sand — 34.61°N, 88.60°WCoffee Sand — 34.45°N, 88.58°WSandy Hook — 40.37°N, 74.12°WSandy Hook — 40.41°N, 74.00°WPierre Shale — 43.27°N, 104.25°WPierre Shale — 40.06°N, 106.39°WMancos Shale — 36.35°N, 109.82°WMancos Shale — 36.16°N, 109.84°WMarshalltown — 39.78°N, 75.44°WMarshalltown — 39.55°N, 75.70°WChiwapa — 34.63°N, 88.94°WChiwapa — 34.04°N, 88.93°WMerchantville — 39.55°N, 75.70°WMerchantville — 39.95°N, 74.99°WAguja — 29.83°N, 103.25°WNeylandville Marl — 33.37°N, 95.69°WNeylandville Marl — 33.20°N, 96.61°WNeylandville Marl — 32.10°N, 96.47°WCorsicana — 31.13°N, 96.82°WKarai — 11.21°N, 78.98°ETropic Shale — 37.07°N, 111.62°WMount Laurel Sand — 39.55°N, 75.65°WFHS — 29.81°N, 35.72°E

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The named rock units Nemodon has been recovered from, largest first. Drawn where the rock is now, not where it formed. 19 further formations hold fewer occurrences each and are not listed. 46 occurrences have no formation on record, which is common for older literature.

Nemodon and its relatives

Late Cretaceous

Where Nemodon and its relatives were recorded in the Late Cretaceous.

Found in the same rock

1,637 taxa

The Paleobiology Database records 234 sites for Nemodon, 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

43 references

Each of the 279 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. 31 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 Nemodon

Source
iDigBio
Credit
via iDigBio
Licence
CC BY
Commercial use
the licence allows it

No 3D scan of Nemodon 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 itGrammatodontinae through timeFormations of the Late CretaceousThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Conrad 1869)