Dendropoma

Dendropoma is a genus of irregularly coiled sea snails known as "worm shells" or "worm snails". These are marine gastropod molluscs in the family Vermetidae, the worm snails.

Dendropoma

Miguelverdu Javier Guallart, Marta Calvo · CC BY-SA 3.0 · 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
VermetidaePBDB
Diet
suspension feederPBDB, for Vermetidae
Life habit
epifaunalPBDB, for Vermetidae
Motility
stationary, attachedPBDB, for Vermetidae
Vision
limitedPBDB, for Gastropoda

Time the record covers

At least 3.5 million years on record.

The record covers at least 3.6 Mya to 11.7 ka. No occurrence read is dated outside 5.333 Mya to 0 Mya.

Miocene — about 0 of 49 occurrencesPliocene — about 2 of 49 occurrencesPliocenePleistocene — about 42 of 49 occurrencesPleistoceneHolocene — about 5 of 49 occurrences5.4–5.3 Mya — about 0.1 occurrences5.3–5.1 Mya — about 0.2 occurrences5.1–4.9 Mya — about 0.2 occurrences4.9–4.7 Mya — about 0.2 occurrences4.7–4.5 Mya — about 0.2 occurrences4.5–4.3 Mya — about 0.2 occurrences4.3–4.1 Mya — about 0.2 occurrences4.1–3.9 Mya — about 0.2 occurrences3.9–3.7 Mya — about 0.2 occurrences3.7–3.5 Mya — about 0.1 occurrences3.5–3.3 Mya — about 0.1 occurrences3.3–3.1 Mya — about 0.1 occurrences3.1–2.9 Mya — about 0.1 occurrences2.9–2.7 Mya — about 0.1 occurrences2.7–2.5 Mya — about 0.4 occurrences2.5–2.3 Mya — about 1 occurrence2.3–2.1 Mya — about 1 occurrence2.1–1.9 Mya — about 1 occurrence1.9–1.8 Mya — about 1 occurrence1.8–1.6 Mya — about 1 occurrence1.6–1.4 Mya — about 1 occurrence1.4–1.2 Mya — about 1 occurrence1.2–972 ka Mya — about 1 occurrence972 ka–778 ka Mya — about 1 occurrence778 ka–583 ka Mya — about 3 occurrences583 ka–389 ka Mya — about 3 occurrences389 ka–194 ka Mya — about 3 occurrences194 ka–0 Mya — about 26 occurrences3.6 Mya11.7 ka5.8 Mya0 Mya

49 occurrences of Dendropoma on record, most of them in the Pleistocene. 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

49 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

11 formations

Unnamed — 33.24°N, 119.51°WUnnamed — 33.24°N, 119.55°WPalos Verdes Sand — 33.99°N, 118.45°WPalos Verdes Sand — 33.60°N, 117.88°WPalos Verdes Sand — 33.71°N, 118.27°WPalos Verdes Sand — 33.80°N, 118.17°WWaimanalo — 21.45°N, 157.72°WWaimanalo — 21.38°N, 158.15°WPalos Verdes — 33.63°N, 117.90°WBelmont — 32.32°N, 64.72°WDevonshire — 32.28°N, 64.77°WFalmouth — 18.47°N, 77.45°WDiscovery Point — 29.00°N, 118.27°WTimms Point Silt — 33.73°N, 118.28°WLomita Marl — 33.75°N, 118.30°WPico — 34.36°N, 118.56°W

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The named rock units Dendropoma has been recovered from, largest first. Drawn where the rock is now, not where it formed. 19 occurrences have no formation on record, which is common for older literature.

Dendropoma and its relatives

Pleistocene

Where Dendropoma and its relatives were recorded in the Pleistocene.

Found in the same rock

1,292 taxa

The Paleobiology Database records 38 sites for Dendropoma, 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 49 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 content2

Picture of Dendropoma

Credit
Miguelverdu Javier Guallart, Marta Calvo
Licence
CC BY-SA 3.0
Commercial use
the licence allows it

3D model

Source
Sketchfab
Licence
CC Attribution
Commercial use
cannot be read from the licence given — check the record

Smithsonian Open Access and MorphoSource were 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 itVermetidae through timeFormations of the PleistoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Moerch 1861)