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Hemiarges

Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4638213https://www.gbif.org/species/4638213
PaleoBioDB ID (PBDB)19740https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=19740
Rankgenus
Taxonomy (GBIF,PBDB)Life : Animalia : Arthropoda : Trilobita : Lichida : Lichidae : Hemiarges
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
orderLichidaMoore 1959
familyLichidaeHawle and Corda 1847
subfamilyTrochurinaePhleger 1936
genusHemiargesGürich 1901
Scientific NameHemiarges Gürich, 1901
Name Published InN. Jahrb. Min. Geol., Stuttgart, Beil. Bd., 14
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Hemiargesgenusbelongs to Ceratarginaestated with evidenceOwen, 1981
Hemiargesgenusbelongs to Trochurinaestated with evidenceThomas and Holloway, 1988
Hemiargesgenusbelongs to Lichidasecond handSepkoski, 2002
Hemiargesgenusbelongs to Lichidaestated without evidenceJell and Adrain, 2002
Hemiargesgenusbelongs to Trochurinaestated with evidencePollitt et al., 2005
Status (PBDB)extinct
Taxon Size (PBDB)23
First Recorded Appearance472 - 461 Ma
Ordovician
Last Recorded Appearance423 - 419 Ma
Paleozoic
Environmentmarine (based on Trilobita)
Motilityfast-moving (based on Trilobita)
Visionwell-developed (based on Lichidae)
Dietcarnivore (based on Lichida)
Ontogenymolting,addition of parts (based on Trilobita)
Ecospace CommentsBODY SIZE: Data from Harrington et al. (1959).
Taphonomyminor spines
Primary Reference (PBDB)J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Hemiarges angustifrons
species
accepted (GBIF)
listed (PBDB)
2461 Ma
Middle Ordovician
458 Ma
Late/Upper Ordovician
Hemiarges antelucanus
species
accepted (GBIF)
listed (PBDB)
2461 Ma
Middle Ordovician
458 Ma
Late/Upper Ordovician
Hemiarges avalanchensis
species
accepted (GBIF)
listed (PBDB)
Hemiarges balanus
species
accepted (GBIF)
listed (PBDB)
1461 Ma
Middle Ordovician
461 Ma
Middle Ordovician
Hemiarges bartoni
species
accepted (GBIF)No associated record in PBDB
Hemiarges diadayma
species
accepted (GBIF)
listed (PBDB)
3461 Ma
Middle Ordovician
461 Ma
Middle Ordovician
Hemiarges extremus
species
accepted (GBIF)
listed (PBDB)
2445 Ma
Late/Upper Ordovician
445 Ma
Late/Upper Ordovician
Hemiarges inghami
species
accepted (GBIF)
listed (PBDB)
Hemiarges insolitus
species
accepted (GBIF)
listed (PBDB)
2466 Ma
Middle Ordovician
466 Ma
Middle Ordovician
Hemiarges leviculus
species
accepted (GBIF)
listed (PBDB)
2461 Ma
Middle Ordovician
461 Ma
Middle Ordovician
Hemiarges maccullochi
species
accepted (GBIF)
listed (PBDB)
Hemiarges memorans
species
accepted (GBIF)
listed (PBDB)
Hemiarges paulianus
species
accepted (GBIF)
listed (PBDB)
7461 Ma
Middle Ordovician
461 Ma
Middle Ordovician
Hemiarges rohri
species
accepted (GBIF)
listed (PBDB)
Hemiarges troedssoni
species
accepted (GBIF)
listed (PBDB)
Hemiarges turneri
species
accepted (GBIF)
listed (PBDB)
8472 Ma
Early/Lower Ordovician
458 Ma
Middle Ordovician
Hemiarges warburgae
species
accepted (GBIF)
listed (PBDB)
Hemiarges wesenbergensis
species
accepted (GBIF)
listed (PBDB)
2458 Ma
Late/Upper Ordovician
456 Ma
Late/Upper Ordovician
Hemiarges zhaobishanensis
species
accepted (GBIF)
listed (PBDB)

Synonymy List

YearName and Author
1901Hemiarges Gürich
1936Choneilobarges Phleger
1981Hemiarges Owen
1988Hemiarges Thomas and Holloway p. 219
2002Hemiarges Jell and Adrain p. 383
2002Hemiarges Sepkoski, Jr.
2005Hemiarges Pollitt et al. p. 238

References

Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560
Owen A. W. (1981) The Ashgill Trilobites of the Oslo Region, Norway, Palaeontographica Abteilung A 175, 1-88
Thomas A. T., Holloway D. J. (1988) Classification and phylogeny of the trilobite order Lichida, Philosophical Transactions of the Royal Society of London, B 321, 179-262
Jell P. A., Adrain J. M. (2002) Available generic names for trilobites, Memoirs of the Queensland Museum 48 2, 331-553
Pollitt J. R., Fortey R. A., et al (2005) Systematics of the trilobite families Lichidae Hawle & Corda, 1847 and Lichakephalidae Tripp, 1957: the application of Bayesian inference to morphological data, Journal of Systematic Palaeontology 3 3, 225-241 doi:10.1017/S1477201905001604
Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera
SN2000: Brands, S. J. (compiler) 1989-2005. Systema Naturae 2000. Amsterdam, The Netherlands (2006 version). Available online at http://sn2000.taxonomy.nl/. - via The Interim Register of Marine and Nonmarine Genera
extinct group - via The Interim Register of Marine and Nonmarine Genera
N. Jahrb. Min. Geol., Stuttgart, Beil. Bd., 14 - via The Interim Register of Marine and Nonmarine Genera
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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