Halysites compactus

Yale Peabody Museum · CC0 · via GBIF. 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
- HalysitesPBDB
- Diet
- suspension feeder, photosymbioticPBDB, for Tabulata
- Life habit
- epifaunalPBDB, for Tabulata
- Motility
- stationary, attachedPBDB, for Tabulata
- Vision
- blindPBDB, for Anthozoa
Time the record covers
At most 12 million years on record.
Every occurrence read is dated to somewhere between 438.6 Mya and 426.7 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
2 occurrences of Halysites compactus 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
2 occurrences- Silurian100%
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
- Fisher Branch Dolomite Formation · Interlake Group1
- La Vieille Formation · Chaleurs Group1
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The named rock units Halysites compactus has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Halysites compactus and its relatives
SilurianWhere Halysites compactus and its relatives were recorded in the Silurian.
Found in the same rock
62 taxa- Alveolites1 site
- Amphicyrtoceras1 site
- Arachnophyllum1 site
- Arachnophyllum approximatum1 site
- Arachnophyllum pentagonum1 site
- Armenoceras1 site
- Atrypa reticularis1 site
- Barrandella kindlei1 site
- Brachyprion (Protomegastrophia) profunda1 site
- Bumastus1 site
- Camarotoechia1 site
- Clathrodictyon1 site
- Coolinia pecten1 site
- Costistricklandia gaspeensis1 site
- Cyathophyllum1 site
- Cystiphyllum1 site
- Dolerorthis flabellites1 site
- Ekwanoscutellum ekwanaspis1 site
- Eomegastrophia philomena1 site
- Eospirifer radiatus1 site
- Euomphalopterus valeria1 site
- Fardenia transversalis1 site
- Favosites favosus1 site
- Favosites forbesi1 site
The Paleobiology Database records 2 sites for Halysites compactus, 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
2 references- Stratigraphy and palaeontology of the Interlake Group and Stonewall Formation of Southern Manitoba1
- Paleontology and stratigraphy of the Silurian rocks of the Port Daniel-Black Cape Region, Gaspé1
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 doi.org. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.
Media and terms
Media content2

Picture of Halysites compactus
- Source
- GBIF
- Credit
- Yale Peabody Museum
- Licence
- CC0
- Commercial use
- the licence allows it
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itHalysites through timeFormations of the SilurianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Rominger 1876