Hardieopterus
Hardieopterus is a genus of prehistoric eurypterid classified within the family Hardieopteridae.

textbook: John Mason Clarke (1857-1925) and Rudolf Ruedemann (1864-1956) illustrator: Malcolm Laurie (1866-1932) · Public Domain · 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
- HardieopteridaePBDB
- Diet
- carnivorePBDB, for Eurypterida
- Life habit
- nektobenthicPBDB, for Eurypterida
- Motility
- actively mobilePBDB, for Eurypterida
- Vision
- well-developedPBDB, for Eurypterida
Time the record covers
At least 10 million years on record.
The record covers at least 432.9 Mya to 422.7 Mya. No occurrence read is dated outside 443.1 Mya to 419.62 Mya.
8 occurrences of Hardieopterus 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
8 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
4 formations
- Shawangunk Formation3
- Reservoir Formation · North Esk Group2
- Patrick Burn Formation · Priesthill Group1
- Downton Castle Sandstone Formation1
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The named rock units Hardieopterus has been recovered from, largest first. Drawn where the rock is now, not where it formed. 1 occurrence has no formation on record, which is common for older literature.
Hardieopterus and its relatives
SilurianWhere Hardieopterus and its relatives were recorded in the Silurian.
Found in the same rock
60 taxa- Nanahughmilleria5 sites
- Hughmilleria4 sites
- Arthrophycus3 sites
- Erettopterus globiceps3 sites
- Kiaeropterus3 sites
- Parahughmilleria3 sites
- Phyllocarida3 sites
- Ctenopterus2 sites
- Drepanopterus pentlandicus2 sites
- Eurypterus cephalaspis2 sites
- Loganellia2 sites
- Pentlandopterus minor2 sites
- Rhinocarcinosoma2 sites
- Ruedemannipterus2 sites
- Scorpionida2 sites
- Slimonia dubia2 sites
- Stoermeropterus conicus2 sites
- Vernonaspis2 sites
- Algae1 site
- Animalia1 site
- Bembicosoma pomphicus1 site
- Bivalvia1 site
- Carcinosoma1 site
- Carcinosoma scoticus1 site
The Paleobiology Database records 7 sites for Hardieopterus, 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- Habitat of Llandoverian-Lochkovian eurypterids7
- On a Silurian scorpion and some additional eurypterid remains from the Pentland Hills1
Each of the 8 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. 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 Hardieopterus
- Source
- Wikipedia/Commons
- Credit
- textbook: John Mason Clarke (1857-1925) and Rudolf Ruedemann (1864-1956) illustrator: Malcolm Laurie (1866-1932)
- Licence
- Public Domain
- Commercial use
- the licence allows it
No 3D scan of Hardieopterus 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.
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 itHardieopteridae through timeFormations of the SilurianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0.