Clypeaster reticulatus

Clypeaster reticulatus, the reticulated sea biscuit, is a species of sea urchin in the family Clypeasteridae. This species was first scientifically described in 1758 by Carl Linnaeus. It lives on the sandy seabed of shallow seas, semi-immersed in the sediment.

Clypeaster reticulatus

Frédéric Ducarme · CC BY-SA 4.0 · 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
ClypeasterPBDB
Diet
detritivorePBDB, for Clypeasteroida
Life habit
semi-infaunalPBDB, for Clypeasteroida
Motility
slow-movingPBDB, for Clypeasteroida
Vision
limitedPBDB, for Echinoidea
Environment
marinePBDB, for Echinodermata

Time the record covers

At most 3.6 million years on record.

Every occurrence read is dated to somewhere between 3.6 Mya and 11.7 ka, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Pliocene — about 1 of 2 occurrencesPliocenePleistocene — about 1 of 2 occurrencesPleistoceneHolocene — about 0 of 2 occurrences3.7–3.6 Mya — about 0.1 occurrences3.6–3.4 Mya — about 0.2 occurrences3.4–3.3 Mya — about 0.2 occurrences3.3–3.1 Mya — about 0.2 occurrences3.1–3.0 Mya — about 0.2 occurrences3.0–2.9 Mya — about 0.2 occurrences2.9–2.7 Mya — about 0.2 occurrences2.7–2.6 Mya — about 0.2 occurrences2.6–2.5 Mya — about 0.1 occurrences2.5–2.3 Mya — about 0.0 occurrences2.3–2.2 Mya — about 0.0 occurrences2.2–2.0 Mya — about 0.0 occurrences2.0–1.9 Mya — about 0.0 occurrences1.9–1.8 Mya — about 0.0 occurrences1.8–1.6 Mya — about 0.0 occurrences1.6–1.5 Mya — about 0.0 occurrences1.5–1.4 Mya — about 0.0 occurrences1.4–1.2 Mya — about 0.0 occurrences1.2–1.1 Mya — about 0.0 occurrences1.1–957 ka Mya — about 0.0 occurrences957 ka–820 ka Mya — about 0.0 occurrences820 ka–683 ka Mya — about 0.0 occurrences683 ka–547 ka Mya — about 0.0 occurrences547 ka–410 ka Mya — about 0.0 occurrences410 ka–273 ka Mya — about 0.0 occurrences273 ka–137 ka Mya — about 0.0 occurrences137 ka–0 Mya — about 0.0 occurrences4.1 Mya0 Mya

2 occurrences of Clypeaster reticulatus on record, most of them in the Pliocene. 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

Shagra — 25.25°N, 34.80°ESamadai — 25.00°N, 34.93°E

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

Clypeaster reticulatus and its relatives

Pliocene

Where Clypeaster reticulatus and its relatives were recorded in the Pliocene.

Found in the same rock

20 taxa

The Paleobiology Database records 2 sites for Clypeaster reticulatus, 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 content2

Picture of Clypeaster reticulatus

Credit
Frédéric Ducarme
Licence
CC BY-SA 4.0
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 itClypeaster through timeFormations of the PlioceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Linnaeus 1758)