Lytoceras

Searched as Litoceras. The Paleobiology Database treats Lytoceras as the accepted name.

Litoceras is a trocholitid (Tarphycerida) genus that has been found in the Lower and Middle Ordovician of Newfoundland. Whorls in Litoceras have a broadly rounded cross section with its width greater than its height. Litoceras somewhat resembles the tarphyceratid Pionoceras from the same time, except for the siphuncle being dorsal and in the center.

Lytoceras

via iDigBio · CC0 · 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
LytoceratinaePBDB
Diet
carnivorePBDB, for Ammonoidea
Life habit
nektonicPBDB, for Ammonoidea
Motility
fast-movingPBDB, for Ammonoidea
Vision
well-developedPBDB, for Cephalopoda
Environment
marinePBDB, for Cephalopoda

Time the record covers

At least 358 million years on record.

The record covers at least 471.3 Mya to 113.2 Mya. No occurrence read is dated outside 486.85 Mya to 100.5 Mya.

Cambrian — about 0 of 1349 occurrencesOrdovician — about 7 of 1349 occurrencesOrdovicianSilurian — about 0 of 1349 occurrencesDevonian — about 0 of 1349 occurrencesCarboniferous — about 0 of 1349 occurrencesPermian — about 0 of 1349 occurrencesEarly Triassic — about 0 of 1349 occurrencesMiddle Triassic — about 0 of 1349 occurrencesLate Triassic — about 0 of 1349 occurrencesEarly Jurassic — about 662 of 1349 occurrencesMiddle Jurassic — about 69 of 1349 occurrencesLate Jurassic — about 82 of 1349 occurrencesEarly Cretaceous — about 529 of 1349 occurrencesEarly CretaceousLate Cretaceous — about 0 of 1349 occurrences495–481 Mya — about 0.8 occurrences481–468 Mya — about 4 occurrences468–454 Mya — about 2 occurrences213–200 Mya — about 0.4 occurrences200–187 Mya — about 407 occurrences187–173 Mya — about 257 occurrences173–160 Mya — about 68 occurrences160–146 Mya — about 54 occurrences146–133 Mya — about 268 occurrences133–120 Mya — about 246 occurrences120–106 Mya — about 36 occurrences106–93 Mya — about 4 occurrences471.3 Mya113.2 Mya495 Mya93 Mya

1,349 occurrences of Lytoceras on record, most of them in the Early Jurassic. 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

1,349 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

92 formations

Isztimér — 47.18°N, 17.83°EIsztimér — 47.19°N, 17.90°EIsztimér — 47.28°N, 17.84°ETűzkövesárok Limestone — 47.34°N, 18.09°EEl Mergueb — 36.84°N, 9.62°EBersek Marl — 47.75°N, 18.50°EBudden Canyon — 40.42°N, 122.66°WBudden Canyon — 40.47°N, 122.62°WBudden Canyon — 40.43°N, 122.64°WBudden Canyon — 40.60°N, 122.91°WBugarone — 43.33°N, 13.22°EIsztimér Limestone — 47.20°N, 17.90°EIsztimér Limestone — 46.98°N, 17.30°ENishinakayama — 34.25°N, 131.00°EKisgerecse — 47.69°N, 18.48°ESteinmühl — 47.91°N, 14.35°EMaiolica — 43.47°N, 12.72°EMaiolica — 45.75°N, 9.48°EMaiolica — 43.53°N, 12.62°EAllgäu — 47.14°N, 9.84°EAllgäu — 47.18°N, 9.98°EAllgäu — 47.15°N, 10.10°EPalnatokes Bjerg — 72.48°N, 22.55°WPalnatokes Bjerg — 74.55°N, 19.83°WPalnatokes Bjerg — 74.50°N, 20.00°WKisgerecse Marl — 47.70°N, 18.49°ERossfeld — 47.69°N, 13.66°ERossfeld — 47.79°N, 14.52°EKuhnpasset — 74.50°N, 20.35°WPaskenta — 40.13°N, 122.23°WPaskenta — 39.91°N, 122.56°WTolgyhat Limestone — 47.70°N, 18.49°ERosso Ammonitico — 38.00°N, 12.00°EFossil Bluff — 71.53°S, 68.83°WFossil Bluff — 72.00°S, 69.00°WFossil Bluff — 71.78°S, 68.83°WKialagvik — 57.31°N, 156.42°WOust — 36.52°N, 10.06°EOust — 36.37°N, 10.09°ELast Creek — 51.11°N, 123.03°WAdnet — 47.46°N, 13.56°EAdnet — 47.17°N, 9.99°E

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The named rock units Lytoceras has been recovered from, largest first. Drawn where the rock is now, not where it formed. 68 further formations hold fewer occurrences each and are not listed. 862 occurrences have no formation on record, which is common for older literature.

Lytoceras and its relatives

Early Jurassic

Where Lytoceras and its relatives were recorded in the Early Jurassic.

Found in the same rock

882 taxa

The Paleobiology Database records 1,062 sites for Lytoceras, 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

167 references

Each of the 1,349 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. 155 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 Lytoceras

Source
iDigBio
Credit
via iDigBio
Licence
CC0
Commercial use
the licence allows it

No 3D scan of Lytoceras was found in MorphoSource and Sketchfab.

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 itLytoceratinae through timeFormations of the Early JurassicThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Suess 1865)