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BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems

Isotelus maximus

Description

Isotelus is a genus of asaphid trilobites from the middle and upper Ordovician period, fairly common in the Northeastern United States, northwest Manitoba, southwestern Quebec and southeastern Ontario. One species, Isotelus rex, is currently the world's largest trilobite ever found as a complete fossil.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4635814https://www.gbif.org/species/4635814
PaleoBioDB ID (PBDB)309481https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=309481
Rankspecies
Taxonomy (GBIF)Life : Animalia : Arthropoda : Trilobita : Asaphida : Asaphidae : Isotelus : Isotelus maximus
Taxonomy (PBDB)Life : Animalia : Arthropoda : Trilobita : Asaphida : Asaphidae : Isotelus : Isotelus maximus
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-Bilateria
-EubilateriaAx 1987
-ProtostomiaGrobben 1908
-Ecdysozoa
-Panarthropoda
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderAsaphidaSalter 1864
superfamilyAsaphoideaSalter 1864
familyAsaphidaeBurmeister 1843
subfamilyIsotelinaeAngelin 1854
genusIsotelusDekay 1824
speciesIsotelus maximusLocke 1838
Generic NameIsotelus
Scientific NameIsotelus maximus Locke, 1838
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Isotelus maximusspeciesbelongs to Isotelusstated without evidenceLocke, 1838
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance461 - 450 Ma
Ordovician
Last Recorded Appearance450 - 444 Ma
Paleozoic
Environmentmarine (based on Trilobita)
Motilityfast-moving (based on Asaphida)
Visionwell-developed (based on Asaphidae)
Dietdeposit feeder (based on Asaphida)
Ontogenymolting,addition of parts (based on Trilobita)
Taphonomylow Mg calcite, chitin (based on Trilobita)
Primary Reference (PBDB)J. H. Bradley. 1930. The fauna of the Kimmswick limestone of Missouri and Illinois. Contributions from the Walker Museum, University of Chicago 2(6):219-290
Wikipediahttps://en.wikipedia.org/wiki/Isotelus_maximus

Fossil Distribution

Synonymy List

YearName and Author
1838Isotelus maximus Locke

References

Bradley J. H. (1930) The fauna of the Kimmswick limestone of Missouri and Illinois, Contributions from the Walker Museum, University of Chicago 2 6, 219-290
J. H. Bradley (1930) The fauna of the Kimmswick limestone of Missouri and Illinois: Contributions from the Walker Museum, University of Chicago 6: 219--290 - via Catalogue of Life
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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