# Callavia
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{{Italic title}}
{{Automatic_taxobox
| image = Nevadella perfecta USNM PAL 60081.jpg
| image_caption = Callavia
| fossil_range = {{fossil range|Atdabanian}}
| taxon = Callavia
| authority = Matthew, 1897[{{cite journal|last1=Lieberman |first1=B.S. |year=1998 |title=Cladistic analysis of the Early Cambrian olenelloid trilobites |journal=Journal of Paleontology |volume=72 |issue=1 |pages=59–78 |doi=10.1017/S0022336000024021 |bibcode=1998JPal...72...59L |s2cid=86307339 }}][{{cite journal|last= Lieberman|first= B.S.|year= 2001|title= Phylogenetic analysis of the ''Olenellina'' Walcott, 1890 (Trilobita, Cambrian)|journal= Journal of Paleontology|volume= 75|number= 1|pages= 96–115|url= http://www.bioone.org/doi/full/10.1666/0022-3360%282001%29075%3C0096%APAOTOW%3E2.0.CO%3B2|doi=10.1666/0022-3360(2001)075<0096:PAOTOW>2.0.CO;2|url-access= subscription}}]| subdivision_ranks = [Species](/source/Species)
| subdivision =
*'''''C. broeggeri''''' Walcott, 1890[{{cite journal|last=Sepkoski |first=Jack |author-link=Jack Sepkoski |title=A compendium of fossil marine animal genera (Trilobita entry) |journal=Bulletins of American Paleontology |volume=363 |pages=1–560 |year=2002 |url=http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=307&rank=class |access-date=2008-01-12 |url-status=dead |archive-url=https://web.archive.org/web/20060905162524/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=307&rank=class |archive-date=2006-09-05 }}] in what are today Canada and the United States.
== Taxonomy ==
The position of ''Callavia'' in relation to other Olenellina has shifted repeatedly over time. Initially it was assigned to the Holmiinae by [Pierre Hupé](/source/Pierre_Hup%C3%A9), and was later moved back and forth to the Callaviinae.[{{citation|last1=Palmer|first1=A.R.|last2=Repina|first2=L.N.|year=1993|title=Through a Glass Darkly: Taxonomy, Phylogeny and Biostratigraphy of the Olenellina|journal=The University of Kansas Paleontological Contributions|volume=3|pages=1–35|url=http://kuscholarworks.ku.edu/dspace/handle/1808/3760}}] Lieberman, however, argues ''Callavia'' is a basal member of the Judomioidea.[
'''Reassigned Species'''][{{cite journal|last1=Collantes|first1=Luis|last2=Pereira|first2=Sofia|last3=Mayoral|first3=Eduardo|last4=Liñán|first4=Eladio|last5=Gozalo|first5=Rodolfo|year=2021|title=On ''Callavia'' (Trilobita) from the Cambrian Series 2 of Iberia with systematic status of the genus|journal=Journal of Paleontology|volume=95|number=6|pages=1226–1240|url=https://www.researchgate.net/publication/353261555_On_Callavia_Trilobita_from_the_Cambrian_Series_2_of_Iberia_with_systematic_status_of_the_genus}}]
* ''C. bicensis'' = ''[Elliptocephala walcotti](/source/Elliptocephala)''
* ''C. breviloba'' = ''[Olenellina sp. indet.](/source/Olenellina)''
* ''C. brevioculata'' = ''[Nevadella cartlandi](/source/Nevadella)''
* ''C. burri'' = ''[Nevadia burri](/source/Nevadia)''
* ''C. cartlandi'' = ''[Nevadella cartlandi](/source/Nevadella)''
* ''C. cobboldi'' = ''[Nevadella cartlandi](/source/Nevadella)''
* ''C. eucharis'' = ''[Nevadella eucharis](/source/Nevadella)''
* ''C.? nevadensis'' = ''[Olenellus nevadensis](/source/Olenellus)''
* ''C. perfecta'' = ''[Nevadella perfecta](/source/Nevadella)''
== Distribution ==
''C. broeggeri'' is known from the Lower Cambrian of Newfoundland (Brigus Formation, Branchian Series, Conception Bay), Nova Scotia (between Docters Brook and Malignant Brook, northernmost [Antigonish Highlands](/source/Cobequid_Mountains)), Canada, and Massachusetts, USA ([Weymouth Formation](/source/Weymouth_Formation), Pearl street, North Weymouth, and probably Hoppin Hill Reservoir, North Attleboro).
''C. choffati'' is known from the [Iberian Peninsula](/source/Iberian_Peninsula) in the Elvas Municipality in Portugal and in several localities in the Huelva Province, Spain.[{{Cite journal|last= Landing|first= E.|year= 1995|title= Upper Placentian-Branchian series of mainland Nova Scotia (middle-upper Lower Cambrian) faunas, paleoenvironments, and stratigraphic revision|journal= Journal of Paleontology|volume= 69|number= 3|pages= 475–495|jstor= 1306322|doi= 10.1017/S0022336000034879|bibcode= 1995JPal...69..475L|s2cid= 133094242}}][[https://paleobiodb.org/classic/displayCollResults?collection_no=9350 Paleobiology Database]]
==See also==
*''[Nevadella](/source/Nevadella)''
== References ==
{{Reflist|30em}}
{{Taxonbar|from=Q26183}}
Category:Olenellina
Category:Cambrian trilobites
Category:Fossils of Canada
Category:Fossils of the United States
Category:Monotypic trilobite genera
Category:Paleontology in Newfoundland and Labrador
Category:Paleontology in Nova Scotia
Category:Paleozoic life of Nova Scotia
Category:Redlichiida genera
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Adapted from the Wikipedia article [Callavia](https://en.wikipedia.org/wiki/Callavia) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Callavia?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.