Leptaena (Leptaena) altera

No picture of Leptaena (Leptaena) altera was found. Wikipedia, Wikidata and iDigBio were searched and had none. Smithsonian Open Access did not answer, so this is what the others held rather than everything there is. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Leptaena (Leptaena) altera, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
Leptaena (Leptaena)PBDB
Diet
suspension feederPBDB, for Leptaena
Life habit
epifaunalPBDB, for Leptaena
Motility
stationaryPBDB, for Leptaena
Vision
blindPBDB, for Strophomenata
Environment
marinePBDB, for Lophophorata

Time the record covers

At least 11 million years on record.

The record covers at least 431.2 Mya to 419.62 Mya. No occurrence read is dated outside 433.5 Mya to 413.02 Mya.

Silurian — about 9 of 10 occurrencesSilurianDevonian — about 1 of 10 occurrencesDevonian434–433 Mya — about 0.3 occurrences433–433 Mya — about 1 occurrence433–432 Mya — about 1 occurrence432–431 Mya — about 1 occurrence431–430 Mya — about 0.7 occurrences430–430 Mya — about 0.8 occurrences430–429 Mya — about 0.8 occurrences429–428 Mya — about 0.6 occurrences428–428 Mya — about 0.4 occurrences428–427 Mya — about 0.4 occurrences427–426 Mya — about 0.1 occurrences425–425 Mya — about 0.1 occurrences425–424 Mya — about 0.3 occurrences424–423 Mya — about 0.3 occurrences423–423 Mya — about 0.2 occurrences420–419 Mya — about 0.1 occurrences419–418 Mya — about 0.1 occurrences418–418 Mya — about 0.1 occurrences418–417 Mya — about 0.1 occurrences417–416 Mya — about 0.1 occurrences416–415 Mya — about 0.1 occurrences415–415 Mya — about 0.1 occurrences415–414 Mya — about 0.1 occurrences414–413 Mya — about 0.1 occurrences413–413 Mya — about 0.0 occurrences431.2 Mya419.62 Mya434 Mya412.5 Mya

10 occurrences of Leptaena (Leptaena) altera on record, most of them in the Silurian. 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

10 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

Riga — 55.00°N, 23.30°ERiga — 55.24°N, 23.51°EPangamaja — 58.00°N, 22.03°EBorshchiv — 48.54°N, 26.24°EPaprieniai — 55.55°N, 24.10°EPagegiai — 56.41°N, 22.36°EBirstonas — 55.55°N, 24.10°E

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The named rock units Leptaena (Leptaena) altera has been recovered from, largest first. Drawn where the rock is now, not where it formed. 2 occurrences have no formation on record, which is common for older literature.

Leptaena (Leptaena) altera and its relatives

Silurian

Where Leptaena (Leptaena) altera and its relatives were recorded in the Silurian.

Found in the same rock

37 taxa

The Paleobiology Database records 10 sites for Leptaena (Leptaena) altera, 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

3 references

Each of the 10 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. 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 content0

No picture of Leptaena (Leptaena) altera was found. Wikipedia, Wikidata and iDigBio were searched and had none.

Smithsonian Open Access did not answer, so this is what the others held rather than everything there is.

GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Leptaena (Leptaena) altera, or no answer at all. This entry cannot say which.

No 3D scan of Leptaena (Leptaena) altera 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 itLeptaena (Leptaena) through timeFormations of the SilurianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Rybnikova 1966)