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[3] in what are today Canada and the United States.
^Lieberman, B.S. (1998). "Cladistic Analysis of the Early Cambrian Olenelloid Trilobites" (PDF). Journal of Paleontology. 72 (1): 59–78. Bibcode:1998JPal...72...59L. doi:10.1017/S0022336000024021. S2CID 86307339.[permanent dead link]
^Lieberman, B.S. (2001). "Phylogenetic analysis of the Olenellina Walcott, 1890 (Trilobita, Cambrian)". Journal of Paleontology. 75 (1): 96–115. doi:10.1666/0022-3360(2001)075<0096:PAOTOW>2.0.CO;2.
^Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology. 363: 1–560. Archived from the original on 2006-09-05. Retrieved 2008-01-12.
Callavia is an extinct, monotypic genus of trilobite arthropods. C. broegeri lived during the late Atdabanian stage, which lasted from 530 to 524 million...
included superfamilies, regards Andalusiana an advanced "Nevadioidea", Callavia and Bondonella as Judomioidea, and Elliptocephala and Wanneria stemgroup...
Mesonacis bonnensis O. brevoculus = Mesonacis bonnensis O. broegeri = Callavia broegeri O. bristolensis = Bristolia bristolensis O. bristolensis p. 8...
is eponymous of the species Perisphinctes cf choffati, an ammonite, and Callavia choffati, a trilobite. In the field of geotechnics he elaborated a study...
occurred on all paleocontinents. Palmer and Repina assigned Gabriellus and Callavia to the Olenelloidea, but the ocular lobes in these two genera circumscribe...
Foerste, 1888) is known from the Lower Cambrian of Canada (Atdabanian, Callavia broeggeri zone, Branchian Series, St. Mary’s Member, Brigus Formation,...
to cladistic analysis includes its direct ancestor. Nevadia crosbyi = Callavia broegeri Nevadia species were probably marine bottom dwellers, like all...
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