Callavia [SEP] parent taxon
is a basal member of the Judomioidea.
Taxonomy Reassigned species.
- "C. brevioculata" = "Nevadella cartlandi"
- "C. burri" = "Pleisionevadella burri"
- "C. callavei" = "Callavalonia callavei"
- "C. cartlandi" = "Nevadella cartlandi"
- "C. cobboldi" = "Nevadella cartlandi"
- "C. eucharis" = "Nevadella eucharis"
- "C. hastata" = "Callavalonia callavei"
- "C. lotzei" = "Sdzuyomia lotzei"
Callavia
Callavia is an extinct, monotypic genus of trilobite arthropods. C. broegeri lived during the late Atdabanian stage, which lasted from 530 to 524 million years ago during the early part of the Cambrian Period 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, and was later moved back and forth to the Callaviinae. Lieberman, however, argues "Callavia"