Protocallianassa gracilis

No picture of Protocallianassa gracilis 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 Protocallianassa gracilis, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
ProtocallianassaPBDB
Diet
detritivorePBDB, for Axiidea
Life habit
infaunalPBDB, for Axiidea
Motility
actively mobilePBDB, for Malacostraca
Vision
well-developedPBDB, for Malacostraca

Time the record covers

At most 4.1 million years on record.

Every occurrence read is dated to somewhere between 89.8 Mya and 85.7 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Late Cretaceous — about 2 of 2 occurrencesLate Cretaceous90–90 Mya — about 0.0 occurrences90–90 Mya — about 0.1 occurrences90–89 Mya — about 0.1 occurrences89–89 Mya — about 0.1 occurrences89–89 Mya — about 0.1 occurrences89–89 Mya — about 0.1 occurrences89–89 Mya — about 0.1 occurrences89–89 Mya — about 0.1 occurrences89–88 Mya — about 0.1 occurrences88–88 Mya — about 0.1 occurrences88–88 Mya — about 0.1 occurrences88–88 Mya — about 0.1 occurrences88–88 Mya — about 0.1 occurrences88–88 Mya — about 0.1 occurrences88–87 Mya — about 0.1 occurrences87–87 Mya — about 0.1 occurrences87–87 Mya — about 0.1 occurrences87–87 Mya — about 0.1 occurrences87–87 Mya — about 0.1 occurrences87–87 Mya — about 0.1 occurrences87–86 Mya — about 0.1 occurrences86–86 Mya — about 0.1 occurrences86–86 Mya — about 0.1 occurrences86–86 Mya — about 0.1 occurrences86–86 Mya — about 0.1 occurrences86–86 Mya — about 0.0 occurrences90.3 Mya85.2 Mya

2 occurrences of Protocallianassa gracilis on record, most of them in the Late Cretaceous. 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

2 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

2 formations

Brežno — 50.04°N, 15.69°EBřezno — 50.40°N, 13.42°E

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The named rock units Protocallianassa gracilis has been recovered from, largest first. Drawn where the rock is now, not where it formed.

Protocallianassa gracilis and its relatives

Late Cretaceous

Where Protocallianassa gracilis and its relatives were recorded in the Late Cretaceous.

Found in the same rock

16 taxa

The Paleobiology Database records 2 sites for Protocallianassa gracilis, and this reads all of them. The number is how many of those sites it was catalogued from too.

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

1 reference

Each of the 2 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. Each entry links to the Paleobiology Database's own record for the work.

Media and terms

Media content0

No picture of Protocallianassa gracilis 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 Protocallianassa gracilis, or no answer at all. This entry cannot say which.

No 3D scan of Protocallianassa gracilis 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 itProtocallianassa through timeFormations of the Late CretaceousThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Fritsch and Kafka 1887)