Diacanthaspis
via iDigBio · 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
- OdontopleurinaePBDB
- Diet
- carnivorePBDB, for Odontopleuridae
- Life habit
- low-level epifaunalPBDB, for Trilobita
- Motility
- fast-movingPBDB, for Trilobita
- Vision
- well-developedPBDB, for Odontopleuridae
- Environment
- marinePBDB, for Trilobita
Time the record covers
At least 46 million years on record.
The record covers at least 471.3 Mya to 425 Mya. No occurrence read is dated outside 475.3 Mya to 422.7 Mya.
64 occurrences of Diacanthaspis on record, most of them in the Ordovician. 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
64 occurrences- Ordovician83%
- Silurian17%
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
28 formations
- Edinburg Formation10
- Balclatchie Formation · Ardmillan Group9
- Kopanina Formation5
- Martinsburg Formation5
- Delorme Formation4
- Oranda Formation4
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The named rock units Diacanthaspis has been recovered from, largest first. Drawn where the rock is now, not where it formed. 4 further formations hold fewer occurrences each and are not listed. 2 occurrences have no formation on record, which is common for older literature.
Diacanthaspis and its relatives
OrdovicianWhere Diacanthaspis and its relatives were recorded in the Ordovician.
Found in the same rock
807 taxa- Otarion10 sites
- Isotelus9 sites
- Harpidella8 sites
- Ceratocephala7 sites
- Remopleurides7 sites
- Arthrorhachis6 sites
- Brachiopoda6 sites
- Cryptolithus tessellatus6 sites
- Illaenus6 sites
- Leonaspis6 sites
- Remopleurides caelatus6 sites
- Sphaerexochus6 sites
- Acidaspis5 sites
- Amphilichas5 sites
- Ampyx virginiensis5 sites
- Apianurus barbatus5 sites
- Crinoidea5 sites
- Dalmanitidae5 sites
- Deiphon5 sites
- Encrinuroides5 sites
- Flexicalymene (Flexicalymene) senaria5 sites
- Lonchodomas5 sites
- Otarion diffractum5 sites
- Radiaspis5 sites
The Paleobiology Database records 54 sites for Diacanthaspis, 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
34 references- Silicified Middle Ordovician trilobites: the Odontopleuridae15
- Trilobites from the Ordovician Balclatchie and lower Ardwell groups of the Girvan district, Scotland4
- Odontopleurid trilobites of the Katian/Hirnantian boundary interval in the Prague Basin (Bohemia)3
- The Ordovician trilobites from the Iberian Chains in the province of Aragon, NE Spain, 1: The trilobites of the Cystoid Limestone (Ashgill Series)3
- Silurian field excursions: Prague Basin (Barrandian), Bohemia3
- Silicified Silurian odontopleurid trilobites from the Mackenzie Mountains3
- The Barr and lower Ardmillan series (Caradoc) of the Girvan District, south-west Ayrshire, with descriptions of the Brachiopoda3
- Probing the deep shelf: a Lagerstätte from the Upper Ordovician of Girvan, southwestern Scotland2
- Ecostratigraphy of Silurian trilobite assemblages of the Barrandian area, Czechoslovakia2
- Silicified Trenton trilobites2
- Trilobites at the base of the Middle Ordovician, western United States1
- Trilobites del Ordovicico de la zona centroiberica (sector entre los Montes de Toledo y Sierra Morena)1
Each of the 64 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. 22 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 Diacanthaspis
- Source
- iDigBio
- Credit
- via iDigBio
- Licence
- not stated by the source
- Commercial use
- cannot be read from the licence given — check the record
No 3D scan of Diacanthaspis 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 itOdontopleurinae through timeFormations of the OrdovicianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Whittington 1941