Leptaena

Leptaena is an extinct genus of mid-sized brachiopod that existed from the Dariwilian epoch to the Emsian epoch, though some specimens have been found in strata as late in age as the Tournasian epoch. Like some other Strophomenids, Lepteana were epifaunal, meaning they lived on top of the seafloor, not buried within it, and were suspension feeders.

Leptaena

Dwergenpaartje · 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
LeptaeninaePBDB
Diet
suspension feederPBDB
Life habit
epifaunalPBDB
Motility
stationaryPBDB
Vision
blindPBDB, for Strophomenata
Environment
marinePBDB, for Lophophorata

Time the record covers

At least 118 million years on record.

The record covers at least 458.2 Mya to 339.9 Mya. No occurrence read is dated outside 469.4 Mya to 335.9 Mya.

Ordovician — about 588 of 1581 occurrencesOrdovicianSilurian — about 770 of 1581 occurrencesSilurianDevonian — about 209 of 1581 occurrencesDevonianCarboniferous — about 14 of 1581 occurrencesCarboniferous472–467 Mya — about 0.3 occurrences467–463 Mya — about 0.8 occurrences463–458 Mya — about 2 occurrences458–454 Mya — about 89 occurrences454–449 Mya — about 194 occurrences449–444 Mya — about 218 occurrences444–440 Mya — about 231 occurrences440–435 Mya — about 115 occurrences435–430 Mya — about 226 occurrences430–426 Mya — about 167 occurrences426–421 Mya — about 100 occurrences421–417 Mya — about 46 occurrences417–412 Mya — about 45 occurrences412–407 Mya — about 28 occurrences407–403 Mya — about 13 occurrences403–398 Mya — about 13 occurrences398–393 Mya — about 13 occurrences393–389 Mya — about 42 occurrences389–384 Mya — about 15 occurrences384–380 Mya — about 6 occurrences380–375 Mya — about 1 occurrence375–370 Mya — about 0.8 occurrences370–366 Mya — about 0.2 occurrences366–361 Mya — about 0.8 occurrences361–356 Mya — about 3 occurrences356–352 Mya — about 5 occurrences352–347 Mya — about 3 occurrences347–342 Mya — about 2 occurrences342–338 Mya — about 0.5 occurrences338–333 Mya — about 0.5 occurrences458.2 Mya339.9 Mya472 Mya333 Mya

1,581 occurrences of Leptaena 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

1,581 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

440 formations

Ellis Bay — 49.82°N, 64.35°WEllis Bay — 49.42°N, 62.25°WEllis Bay — 49.32°N, 61.86°WEllis Bay — 49.84°N, 64.45°WEllis Bay — 49.72°N, 63.34°WEllis Bay — 49.73°N, 63.57°WEllis Bay — 49.75°N, 63.58°WEllis Bay — 49.81°N, 64.01°WEllis Bay — 49.74°N, 63.89°WEllis Bay — 49.40°N, 62.38°WEllis Bay — 49.53°N, 62.66°WEllis Bay — 49.50°N, 62.53°WEllis Bay — 49.72°N, 63.83°WOnondaga — 42.95°N, 76.17°WOnondaga — 42.92°N, 78.25°WOnondaga — 42.97°N, 76.14°WOnondaga — 42.18°N, 73.95°WOnondaga — 42.08°N, 73.97°WOnondaga — 41.93°N, 74.00°WOnondaga — 42.59°N, 74.93°WOnondaga — 42.55°N, 73.94°WOnondaga — 42.90°N, 76.02°WOnondaga — 42.65°N, 74.08°WOnondaga — 42.00°N, 74.00°WOnondaga — 43.00°N, 75.00°WOnondaga — 43.00°N, 76.00°WKahula — 59.35°N, 24.56°EKahula — 59.38°N, 26.40°EKahula — 59.39°N, 25.32°EKahula — 59.36°N, 27.38°EKahula — 59.38°N, 24.41°EKahula — 59.48°N, 26.15°EKahula — 59.34°N, 27.33°EKahula — 59.34°N, 24.84°EKahula — 59.23°N, 24.72°EKahula — 59.28°N, 24.38°EKahula — 59.27°N, 24.33°EKahula — 59.26°N, 27.00°EKahula — 59.23°N, 23.52°EKahula — 59.35°N, 26.38°EKahula — 59.37°N, 25.17°EKahula — 59.27°N, 23.75°EKahula — 59.43°N, 24.82°EKahula — 59.33°N, 27.37°EKahula — 59.42°N, 25.48°EKahula — 59.37°N, 24.50°EWaynesville — 39.00°N, 84.00°WWaynesville — 39.34°N, 84.95°WWaynesville — 39.48°N, 84.06°WWaynesville — 38.87°N, 83.79°WWaynesville — 39.03°N, 83.92°WWaynesville — 39.08°N, 85.23°WWaynesville — 39.08°N, 85.25°WWaynesville — 39.34°N, 85.20°WWaynesville — 39.39°N, 84.09°WWaynesville — 39.44°N, 84.20°WWaynesville — 39.50°N, 84.76°WJupiter — 49.50°N, 63.00°WJupiter — 49.42°N, 63.50°WJupiter — 49.45°N, 63.43°WJupiter — 49.56°N, 63.35°WJupiter — 49.17°N, 61.71°WJupiter — 49.23°N, 63.04°WJupiter — 49.07°N, 62.20°WJupiter — 49.51°N, 63.63°WJupiter — 49.24°N, 62.24°WJupiter — 49.13°N, 62.57°WJupiter — 49.54°N, 63.31°WJupiter — 49.53°N, 61.92°WJupiter — 49.38°N, 62.15°WJupiter — 49.22°N, 62.40°WHenryhouse — 35.08°N, 98.24°WHenryhouse — 34.73°N, 96.63°WHenryhouse — 34.37°N, 97.00°WHenryhouse — 34.60°N, 97.03°WHenryhouse — 34.62°N, 96.63°WHenryhouse — 34.66°N, 96.68°WHenryhouse — 34.34°N, 97.33°WHenryhouse — 34.77°N, 96.67°WHenryhouse — 34.68°N, 96.76°WMcColley Canyon — 38.87°N, 117.92°WMcColley Canyon — 40.13°N, 116.10°WMcColley Canyon — 39.98°N, 116.27°WMcColley Canyon — 40.15°N, 116.10°WMcColley Canyon — 40.13°N, 116.02°WMcColley Canyon — 39.93°N, 116.30°WMcColley Canyon — 39.60°N, 116.26°WMcColley Canyon — 39.67°N, 116.39°WWhite Head — 48.83°N, 64.48°WWhite Head — 48.52°N, 64.22°WWhite Head — 46.18°N, 59.82°WRochester — 43.16°N, 79.05°WRochester — 43.18°N, 78.72°WRochester — 43.16°N, 77.68°WRochester — 43.19°N, 77.56°WRochester — 43.23°N, 77.21°WRochester — 43.21°N, 76.99°WRochester — 43.19°N, 76.91°WRochester — 43.22°N, 76.81°WRochester — 43.26°N, 76.70°WRochester — 43.25°N, 76.64°WRochester — 43.15°N, 75.86°WJaani — 58.51°N, 22.00°EJaani — 58.61°N, 22.95°EJaani — 58.53°N, 23.28°EJaani — 58.62°N, 22.90°EJaani — 58.64°N, 23.41°EJaani — 58.52°N, 21.92°EJaani — 58.73°N, 23.53°EJaani — 58.68°N, 23.20°EJaani — 58.58°N, 22.37°EJaani — 57.88°N, 24.37°EJaani — 58.42°N, 22.50°EJaani — 58.55°N, 22.20°EJaani — 58.57°N, 22.29°EVaureal — 49.82°N, 64.35°WVaureal — 49.81°N, 64.43°WVaureal — 49.80°N, 63.63°WVaureal — 49.80°N, 63.89°WVaureal — 49.63°N, 63.20°WVaureal — 49.73°N, 63.83°WVaureal — 49.63°N, 63.78°WMotol — 50.00°N, 17.78°EMotol — 50.05°N, 14.37°EMotol — 49.97°N, 14.13°EMotol — 49.77°N, 13.25°EMotol — 50.08°N, 14.47°EBecscie — 49.82°N, 64.35°WBecscie — 49.42°N, 62.25°WBecscie — 49.31°N, 61.84°WBecscie — 49.75°N, 63.64°WBecscie — 49.50°N, 63.36°WBecscie — 49.58°N, 62.56°WBecscie — 49.19°N, 61.72°WBecscie — 49.40°N, 62.36°WBecscie — 49.49°N, 62.65°WBecscie — 49.71°N, 63.38°WBecscie — 49.50°N, 62.53°WBecscie — 49.72°N, 63.33°WSolvik — 59.92°N, 10.75°ESolvik — 59.82°N, 10.46°ERabbit Hill Limestone — 39.20°N, 116.42°WRabbit Hill Limestone — 40.13°N, 116.40°WRabbit Hill Limestone — 38.92°N, 116.50°WIrondequoit — 43.25°N, 76.72°WIrondequoit — 43.16°N, 79.05°WIrondequoit — 43.18°N, 78.72°WIrondequoit — 43.20°N, 77.62°WIrondequoit — 43.23°N, 77.21°WIrondequoit — 43.23°N, 76.98°WIrondequoit — 43.21°N, 76.88°WIrondequoit — 43.24°N, 76.80°WCanon de Caballeros — 23.77°N, 99.27°WKuldiga — 56.92°N, 21.56°EKuldiga — 56.85°N, 21.55°EKuldiga — 57.26°N, 23.11°EKuldiga — 57.28°N, 25.41°EKuldiga — 56.22°N, 21.20°EKuldiga — 56.63°N, 20.85°EKuldiga — 56.85°N, 21.71°EKuldiga — 56.99°N, 21.77°EKuldiga — 57.03°N, 22.78°EKuldiga — 56.72°N, 22.77°EKuldiga — 56.44°N, 21.61°EKuldiga — 56.60°N, 21.05°EKuldiga — 57.25°N, 22.59°EKuldiga — 56.91°N, 24.15°EMuch Wenlock — 53.00°N, 2.00°WMuch Wenlock — 52.03°N, 2.40°WMuch Wenlock — 52.00°N, 2.00°WMuch Wenlock — 52.02°N, 2.57°WMuch Wenlock — 51.72°N, 2.90°WMuch Wenlock — 52.60°N, 2.55°WMuch Wenlock — 52.50°N, 2.08°WBoda Limestone — 60.17°N, 14.70°EBoda Limestone — 61.02°N, 15.22°EBoda Limestone — 60.97°N, 15.13°EBoda Limestone — 61.15°N, 15.12°ERochester Shale — 43.15°N, 77.62°WRochester Shale — 43.15°N, 77.06°WRochester Shale — 43.10°N, 79.06°WRochester Shale — 43.20°N, 77.53°WRochester Shale — 43.17°N, 78.68°WRochester Shale — 43.15°N, 77.72°WRochester Shale — 43.22°N, 76.82°WRochester Shale — 39.65°N, 78.76°WWenallt — 51.83°N, 3.58°WJaagarahu — 58.56°N, 23.08°EJaagarahu — 58.42°N, 22.50°EJaagarahu — 58.67°N, 24.76°EPaprieniai — 55.25°N, 23.15°EPaprieniai — 55.00°N, 23.30°EPaprieniai — 55.20°N, 23.87°EPaprieniai — 55.55°N, 24.10°EPaprieniai — 55.67°N, 25.38°EPaprieniai — 54.47°N, 24.62°E

Loading coastlines…

The named rock units Leptaena has been recovered from, largest first. Drawn where the rock is now, not where it formed. 416 further formations hold fewer occurrences each and are not listed. 210 occurrences have no formation on record, which is common for older literature.

Leptaena and its relatives

Silurian

Where Leptaena and its relatives were recorded in the Silurian.

Found in the same rock

1,806 taxa

The Paleobiology Database records 1,464 sites for Leptaena, and this reads 240 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

333 references

Each of the 1,581 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. 321 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 Leptaena

Credit
Dwergenpaartje
Licence
CC BY-SA 3.0
Commercial use
the licence allows it

3D model

Source
Sketchfab
Licence
CC0 Public Domain
Commercial use
the licence allows it

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 itLeptaeninae through timeFormations of the SilurianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Dalman 1828