Radix

Radix is a genus of air-breathing freshwater snails, aquatic pulmonate gastropods in the family Lymnaeidae, the pond snails.

Radix

Aung · Public Domain · via Wikipedia/Commons. 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
LymnaeidaePBDB
Life habit
epifaunalPBDB, for Gastropoda
Motility
actively mobilePBDB, for Gastropoda
Vision
limitedPBDB, for Gastropoda
Environment
freshwaterPBDB, for Lymnaeidae

Time the record covers

At least 55 million years on record.

The record covers at least 56 Mya to 11.7 ka. No occurrence read is dated outside 66 Mya to 0 Mya.

Late Cretaceous — about 0 of 32 occurrencesPaleocene — about 1 of 32 occurrencesPaleoceneEocene — about 0 of 32 occurrencesOligocene — about 5 of 32 occurrencesOligoceneMiocene — about 23 of 32 occurrencesMiocenePliocene — about 0 of 32 occurrencesPleistocene — about 2 of 32 occurrences67–65 Mya — about 0.1 occurrences65–63 Mya — about 0.2 occurrences63–61 Mya — about 0.2 occurrences61–58 Mya — about 0.2 occurrences58–56 Mya — about 0.2 occurrences56–54 Mya — about 0.0 occurrences36–34 Mya — about 0.1 occurrences34–31 Mya — about 1 occurrence31–29 Mya — about 1 occurrence29–27 Mya — about 1 occurrence27–25 Mya — about 0.9 occurrences25–22 Mya — about 0.8 occurrences22–20 Mya — about 0.3 occurrences20–18 Mya — about 0.3 occurrences18–16 Mya — about 3 occurrences16–13 Mya — about 16 occurrences13–11 Mya — about 0.2 occurrences11–9.0 Mya — about 2 occurrences9.0–6.7 Mya — about 1 occurrence6.7–4.5 Mya — about 0.7 occurrences4.5–2.2 Mya — about 0.2 occurrences2.2–0 Mya — about 3 occurrences56 Mya11.7 ka67 Mya0 Mya

32 occurrences of Radix on record, most of them in the Miocene. The Paleobiology Database records this as a living group. 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

32 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

6 formations

Calcaires de Vacheres — 43.87°N, 5.52°EAfyon — 39.00°N, 31.00°ENeuwieder Becken 1 — 50.43°N, 7.47°ENeuwieder Becken 4 — 50.43°N, 7.47°ELecze — 54.27°N, 19.48°EOber Süßwassermolasse — 48.63°N, 11.80°E

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The named rock units Radix has been recovered from, largest first. Drawn where the rock is now, not where it formed. 25 occurrences have no formation on record, which is common for older literature.

Radix and its relatives

Miocene

Where Radix and its relatives were recorded in the Miocene.

Found in the same rock

349 taxa

The Paleobiology Database records 31 sites for Radix, 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

15 references

Each of the 32 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. 3 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 content2

Picture of Radix

Credit
Aung
Licence
Public Domain
Commercial use
the licence allows it

Sequential Section Scan

Licence
In Copyright
Commercial use
cannot be read from the licence given — check the record
Specimen
Thamnophis radix · MCZ:SC:1978

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 itLymnaeidae through timeFormations of the MioceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Montfort 1810