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Sphaerexochus arenosus

Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)8605301https://www.gbif.org/species/8605301
PaleoBioDB ID (PBDB)174733https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=174733
Rankspecies
Taxonomy (GBIF)Life : Animalia : Arthropoda : Trilobita : Phacopida : Cheiruridae : Sphaerexochus : Sphaerexochus arenosus
Taxonomy (PBDB)Life : Animalia : Arthropoda : Trilobita : Phacopida : Cheiruridae : Sphaerexochus : Sphaerexochus arenosus
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
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
subfamilySphaerexochinaeOpik 1937
genusSphaerexochusBeyrich 1845
speciesSphaerexochus arenosusChatterton & Ludvigsen 1976
Generic NameSphaerexochus
Scientific NameSphaerexochus arenosus Chatterton & Ludvigsen, 1976
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Sphaerexochus arenosusspeciesbelongs to Sphaerexochusstated with evidenceChatterton and Ludvigsen, 1976
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance468 - 461 Ma
Middle Ordovician
Last Recorded Appearance461 - 450 Ma
Ordovician
Environmentmarine (based on Trilobita)
Motilityfast-moving (based on Trilobita)
Visionwell-developed (based on Sphaerexochus)
Dietcarnivore (based on Cheiruridae)
Ontogenymolting,addition of parts (based on Trilobita)
Taphonomyminor spines (based on Sphaerexochus)
Primary Reference (PBDB)B. D. E. Chatterton and R. Ludvigsen. 1976. Silicified Middle Ordovician trilobites from the South Nahanni River Area, District of Mackenzie, Canada. Palaeontographica Abteilung A 154(1-3):1-106

Fossil Distribution

Synonymy List

YearName and Author
1976Sphaerexochus arenosus Chatterton and Ludvigsen p. 66 figs. Pl. 13, figs. 10-12

References

Chatterton B. D. E., Ludvigsen R. (1976) Silicified Middle Ordovician trilobites from the South Nahanni River Area, District of Mackenzie, Canada, Palaeontographica Abteilung A 154 1-3, 1-106
B. D. E. Chatterton, R. Ludvigsen (1976) Silicified Middle Ordovician trilobites from the South Nahanni River Area, District of Mackenzie, Canada: Palaeontographica Abteilung A 1-3: 1--106 - 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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